PresentationTM Series
HD Projection Display
Installation and Setup Guide
for System Installer
Model
PRO900X
®
PresentationTM is a registered trademark of Zenith Electronics Corporation
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CONTENTS
Safety Warnings
Monitor Cabinet Removal . . . . . . . . . . . . . . . . . . . . 10
Safety Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Monitor Rear View . . . . . . . . . . . . . . . . . . . . . . . . 11
Monitor Top/ Inside View . . . . . . . . . . . . . . . . . . . . 12
Installation Overview
Installer’s Experience Level . . . . . . . . . . . . . . . . . . . 4 Setup
Installation Considerations . . . . . . . . . . . . . . . . . . . . 4 Setup Remote Control Key Functions . . . . . . . . . . . . . 13
Power Cord Requirements . . . . . . . . . . . . . . . . . . . . . 4 Setup Mode Notes and Cautions . . . . . . . . . . . . . . . . 14
Specifications for RGB Sync Inputs . . . . . . . . . . . . . . 15
Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Screen Size Selection . . . . . . . . . . . . . . . . . . . . . . 17
Specifications
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Standard Connections
Setup and Alignment Procedure
Connecting Computer Video Sources . . . . . . . . . . . . . . 6
Procedure Overview . . . . . . . . . . . . . . . . . . . . . . . . 18
Connecting Video and S-Video Sources . . . . . . . . . . . . 6
I. Installation Prerequisites . . . . . . . . . . . . . . . . . . 18
Connector Pin Wiring Reference . . . . . . . . . . . . . . . . . 7
II. System Check and Physical Setup . . . . . . . . . . . . . 18
Connection / Control Panel . . . . . . . . . . . . . . . . . . . 8
Setup Reference Illustrations . . . . . . . . . . . . . . . . . 19
Selecting Input Source . . . . . . . . . . . . . . . . . . . . . . 8
Physical Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Remote Control
Battery Installation . . . . . . . . . . . . . . . . . . . . . . . . 9
III. Preliminary Alignment Setup . . . . . . . . . . . . . . . 22
Geometry Convergence . . . . . . . . . . . . . . . . . . . . . . 25
Choosing the Setup Function . . . . . . . . . . . . . . . . . . 9
Convergence Setup Controls . . . . . . . . . . . . . . . . . . 26
Product Overview
Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . 10
Convergence of Red and Blue onto Green . . . . . . . . . . 27
Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
PLACEMENT CONSIDERATIONS
Room Light
Viewing Surface
We recommend a good quality screen having a matte white
Ideally, the PRO900X should be placed in a low-light envi-
ronment. Picture quality and the ability to see the project- finish, which measures 80” in width (or more) diagonally.
ed images are adversely affected by bright-light conditions. Contact your local dealer for assistance in purchasing an
appropriate screen.
Placement
Note: Use of a projection screen designed for a single
light source projection system may result in significant
side-to-side color distortion.
Your PRO900X is shipped from the factory to provide an
image with an 80” width as a ceiling-mounted front projec-
tor. To ensure proper placement of the unit or to change
the size of the projection image, refer to the “Physical
Setup” section.
Note to Installer
The purpose of this installation guide is to provide general guidelines for the proper installation and set up of the
PRO900X. Actual operation of the unit is described in the separately supplied Operating Guide and Warranty.
This guide has been prepared for properly trained installers.
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© Copyright 2000 Zenith Electronics Corporation
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INSTALLATION OVERVIEW
Installer’s Experience Level
The PRO900X is a sophisticated Entertainment
MachineTM. In addition to making the necessary
connections, installation will most likely require
a series of adjustments to ensure the projected
image is not distorted. If these adjustments are not accu-
rate, the operation of the PRO900X could be adversely
affected. For this reason, installation and setup should be
performed by a qualified service person and should con-
form to all local codes. The installer must also adhere to
the pertinent Articles of the National Electrical Code (NEC),
pertinent Regulations of the Federal Communications
Commission (FCC), and all relevant codes of local regulat-
ing agencies.
National Power Cord Requirements U.S. / Canada
• The power cord must be UL listed and CSA certified.
• The minimum specifications for the power cord are as
follows: No. 18 AWG, Type SV or SJ, 3 conductor.
• The power cord must have a rated cur-
rent capacity of at least 10 amperes.
Installation Considerations
Before you install the PRO900X...
Standard North
America (120 VAC)
• The attachment plug must be an
earth-grounding type with a NEMA 5-15P
(15A, 125V) or NEMA 6-15P (15A, 250V)
configuration.
Ventilation -- Proper ventilation keeps the
PRO900X running cool. Air circulates through
perforations on the sides of the cabinet. Do not
block these vents or you will shorten the life of
the PRO900X.
Power Cord -- The PRO900X has a three-wire
grounding-type plug having a third (grounding)
pin. This plug will only fit into a grounding-type
power outlet.
North America
(240 VAC)
Other Countries
• The cord set fittings must bear the
certification mark of the agency responsible for evaluation
in a specific country. Acceptable agencies include the fol-
lowing:
BSI (United Kingdom)
CEBEC (Belgium)
DEMKO (Denmark)
EANSW (Australia)
SETI (Finland)
Nemko (Norway)
OVE (Austria)
SEMKO (Sweden)
SEV (Switzerland)
UTE (France)
This is a safety feature. If you are unable to insert the
plug into the outlet, contact an electrician to replace the
obsolete outlet. Do not defeat the safety purpose of the
grounding-type plug.
Power Source -- The PRO900X is designed to
operate on normal household current, 120 volt
60 Hertz AC or 230 volt 50/ 60 Hertz AC. Do not
attempt to operate it on DC current.
IMQ (Italy)
KEMA (The Netherlands)
VDE (Germany)
MITI (Japan)
• The flexible cord must be of a HAR (harmonized) type
HO5VV-F 3-conductor cord with a minimum conductor size
of .03 square inches (1.0 square millimeter).
• The cord set must have a current capacity of at least 10
amperes and a nominal voltage rating of 125 or 250 VAC, as
required by the specific country’s power system.
The PRO900X is configured at the factory for 120 volt, 60
Hz operation. A service adjustment is necessary to permit
the unit to operate on 230 volt, 50/ 60 Hz. See Changing
From 120 VAC To 230 VAC in the Setup and Alignment sec-
tion for details.
Entertainment MachineTM is a registered trademark of Zenith Electronics Corporation
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SPECIFICATIONS
PRO900X
General
Note: Specifications are subject to change without prior notice.
HORIZONTAL SCAN FREQUENCY — 15.0-50.0 kHz.
VERTICAL SCAN FREQUENCY — 40.0 - 100 Hz.
RETRACE TIME — Horizontal: < 3.5 µS (15.0 - 50.0 kHz).
Vertical: 450 µS (40.0 - 100 Hz).
BANDWIDTH — 37.5 MHZ (-3dB).
RGB RESOLUTION — 1920 x 1080 (interlace).
VIDEO RESOLUTION — 800 TV Lines.
SIZE ADJUSTABLE — 48 - 192 inches wide.
SCREEN CONFIGURATION — Front or rear, floor or ceiling mount,
with simple scan reversal.
COLOR BALANCE — Four user selectable settings:
3200/ 6500/ 9300/ Custom.
HIGH VOLTAGE — 32 kV.
POWER CONSUMPTION — 600 Watts max.
AC POWER CORD — 3 meters.
Optical
PROJECTION SYSTEM — CRT; 7-inch High Performance Liquid
Cooled Tubes, 5-inch active phosphor area, 90 degree deflection
angle, Super Oxide Cathodes.
LENSES — High resolution color corrected multi-layered coating
hybrid lens system. fl.03 Aperature.
LIGHT OUTPUT — 700 Lumens peak light output.
CONVERGENCE — Digitally controlled analog with 10 factory pre-
set options, 5 customer memory locations plus a copy function
feature.
CONVERGENCE LIMITS — Less than 0.2% of vertical height.
SELF-GENERATED SET UP PATTERNS — Cross Hatch (coarse and
fine), convergence color pattern, static adjust.
SCHIEMPFLUG FOCUS — For edge focusing.
WEIGHT — 43.13 kg / 95 lbs.
ENVIRONMENT — Operating Temperature: 0 to 40º C (degrees);
Humidity: 0 to 90 percent non-condensing;
Storage: 10 to 50º C (degrees)
Inputs
RGB INPUTS — 5 - BNC analog (RGB H/ V) with full VGA and
VESA Super VGA tracking compatibility.
COMPOSITE VIDEO INPUT — 1.0 Vp-p, 75 ohm (BNC jack), loop
through (NTSC 3.58, NTSC 4.43, PAL M/ N, PAL B/ G).
S-VIDEO INPUT — Y: 1.0 Vp-p 75 ohm; C: 0.28 Vp-p color burst
level (via mini DIN) connector.
DATA COMMUNICATIONS PORT — RS232 serial port.
POWER INPUT — Dual-range power supply 90-137 Vac, 180-264
Vac, 47-63 Hz.
SAFETY AND REGULATION —
• UL: Complies with UL 1950.
• CSA: Complies with CSA C22.2 No. 950.
• FCC: Complies with FCC Class B Regulations.
• European: CE Mark. Complies with IEC 950.
• DHHS: Complies with X-Ray Emission Regulations.
• NOM: Complies with Mexico Standards.
Video Features
• Three-dimensional Digital Comb Filter.
MECHANICAL DIMENSIONS — 12.90 inches (H), 25.75 inches (W),
33.28 inches (D).
• Two-dimensional Picture Sharpness Circuitry.
• Digital Dynamic Video Noise Reduction.
• Color Transient Improvement.
• Black Level Expansion.
REMOTE CONTROL SYSTEM — Two IR receivers for front and rear
remote access. Installer’s remote provides full control of menus
and convergence. Operators remote is point and click trackball.
• Auto Flesh Tone Correction.
• Video Edge Enhancement.
• Color Noise Reduction.
Formats Supported
• Advanced Video DSP with 5 megabit memory.
• Extra Wide-band Video Amplifiers.
NTSC
NTSC
PAL
3.58
4.43
M, N, B, G.
• High Resolution AKB with programmable white balance
control.
VGA
SVGA
IBM Standard
VESA Standard, 1024 x 768
• Picture setup via source selection.
• World Wide Multi-standard Video System
(PAL M/ N, PAL B/ G, NTSC).
Mac II 640 x 480, 35kHz
Grand
HDTV Formats. 1280 x 720, progressive,
Alliance 16 x 9 aspect ratio. 1920 x 1080, interlaced, 16 x 9
aspect ratio, per SMPTE specification, tri-level sync.
• Aspect Ratio Correction.
• Multi-Frequency, Multi-Format High Definition System (15 to
50 kHz, 75 MHz dot clock).
• Addressability via IR for multiple projection unit applications.
• On-Screen Display capable of 13 x 32 character display
resolution.
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STANDARD CONNECTIONS
CONNECTING COMPUTER VIDEO SOURCES
Connect a video source such as a computer: PC, Laptop, or Notebook type.
To hook up a laptop or computer, use a cable with a
15-pin D-type connector on one end and BNC connectors
on the other end.
Note: Any special adapters, cables, or connectors shown
are not provided with the PRO900X. See your computer
dealer for your special requirements.
CONNECTING VIDEO AND S-VIDEO SOURCES
Connect video sources with a tuner, (VCR) or other video sources such as a DVD player
or satellite receiver.
To hook up a VCR, DVD play-
er, or other video source,
use standard video connec-
tors as needed.
Connect the video source to
the Video In jack on the
PRO900X. If the video source
has an S-Video connector,
then connect to the S-Video
jack on the PRO900X.
Notes: For audio capability,
connect your Video sources’
Audio output to a separate
audio amplifier like a stereo
system; no audio capability
is provided with the
PRO900X. Use cables and
adapters with the connector
types and jacks available on
the video source.
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STANDARD CONNECTIONS
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CONNECTIONS / CONTROL PANEL
ENTER
Shows Source/ Time Display
SELECTS MENU OPTIONS
REMOTE CONTROL WINDOW
S-VIDEO INPUT JACK
MENU
Accesses on-screen menus
POWER ON INDICATOR
COMMUNICATIONS PORT
INTER-CONNECT JACK
( RJ-11)
POWER
On/ Off Switch
Red, Green, Blue (RGB)
Horizontal/ Vertical input jacks
Loop Out, Loop In,
Setup Switch
(Set LOOP switch to “Out” if
routing composite video to a
second projector.)
COMPOSITE VIDEO INPUT
COMPOSITE VIDEO LOOP
OUT JACK
(Set LOOP switch to “Out” if
using loop through.)
Selecting the Input Source
The type of input signal determines which source is being
viewed. Use the Source Menu to select the source you want
to view. The options in the menu correspond to the connec-
tors on the connection panel.
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REMOTE CONTROL
REMOTE CONTROL MBR3470T
The MBR3470T remote control is used specifically for servicing and setup adjustment. It provides the special functions
needed for geometry, convergence, and system setup that other remotes cannot perform.
Red, Green, Blue
Selects formats, sets
Vertical and Horizontal
Adjusts selected
Adjustment Select Keys
Adjusts selected
Floor/ Ceiling or a specific
color convergence.
geometry/ convergence
characteristics.
geometry/ convergence
characteristics.
BATTERY INSTALLATION
CHOOSING THE SETUP FUNCTION
Batteries are provided, but they must be installed before
using the remote control. When it no longer functions
normally, or when it loses memory, replace the batteries
with two high-quality, alkaline, size AAA batteries.
Press SETUP to set the remote control in “setup” mode.
In the setup mode, you have the following choice of
which setup functions to perform:
Geometry Convergence -- Press SETUP, then RED.
Single Color Convergence -- Press SETUP, then RED, and a
color key (Red, Green or Blue) to select color to converge.
To Install the Batteries
Forced Signal Formats -- Press SETUP, then GREEN.
Ceiling/ Floor Select -- Press SETUP, then BLUE.
1. Open the battery compartment by pressing in on
the tab and lifting the cover off.
2. Place the batteries into the compartment according
to the markings shown in the compartment.
3. Replace the battery compartment cover.
Red, Green, Blue
Setup
Notes
• Do not place heavy objects on top of the remote control keys.
Prolonged unintentional operation of the remote shortens the
usable life of the batteries.
• Remove the batteries if the remote control will not be used for
a month or more.
• The remote manufacturer is not responsible for damage caused
by battery leakage.
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PRODUCT OVERVIEW
The PRO900X HD Projection Display system is a high reso-
lution multiple signal format display monitor. It uses 7”
high performance liquid cooled CRTs. Each CRT has a 5”
cannot be altered in the field. Each preset format has a
custom memory location to store customized setup data.
Each customized setup has a separated memory location
active phosphor area and a 90 degree deflection angle. The for each aspect ratio (4 X 3, letter box, compressed, and
CRTs use high-resolution color corrected multi-layered
hybrid lens assemblies.
16 X 9). You must set up and converge the system for each
aspect ratio that will be used. The five customer memory
locations are for signal formats that do not match the ten
factory preset signal formats. There is also the option to
copy the stored format data from one memory location to
another. This allows faster setup when several similar for-
mats are used. Internally generated signal patterns also
aid with setup of convergence. The internal pattern gener-
ator may sync from the internally preset signal formats or
it will sync from an external signal source. This is helpful
for on-site full convergence or just a touch up. You must
use the customer’s signal source to perform blanking and
phase adjustments.
Horizontal scan frequency is from 15 to 50 KHz. Vertical
scan frequency is from 40 to 100 Hz. Video system signal
bandwidth is 35 MHz. The projected display diagonal size
(4:3 aspect ratio) is adjustable from 60” to 240”.
Supported signal formats include NTSC (3.58 and 4.43),
PAL (M,N,B, and G), VGA, SVGS, Mac II, and Grand Alliance
HDTV. Signal input options include 5 BNC connectors
(R,G,B,V,H), composite video, S-Video (Y-C), and an RS232
serial data port. The IR control format is addressable (0 -
99) for use with multiple unit installations. Each PRO900X
comes with a Universal customer remote control and a
service/ alignment 5-function MBR3470 remote control.
The PRO900X cabinet is comprised of three pieces.
Removal of the case allows full maintenance access to the
systems electronic and mechanical assemblies. Front and
rear mounted IR detector assemblies allow almost no inter-
ference to IR control. There are adjustable (and removable)
feet on the bottom of the case.
From the factory, the PRO900X comes aligned for a 80”
wide display. The preset projection distance is 96 3/ 8” and
configured for a ceiling mount. You may customize the
setup to be floor or ceiling mounted and rear or front pro-
jected. Refer to the setup section before attempting an
installation.
CABINET REMOVAL
The convergence system is a digital controlled analog sys-
tem with 10 signal format preset and 5 customer option
memory locations. The preset format memory locations
Note the location of the screws which need to be removed
to allow access to the components.
Caution:
Disconnect the PRO900X from power before
attempting to remove the cabinet.
Standard Signal Format Modes
Mode Name
Freq.
Signal Type
Video - NTSC
Video - PAL
RGB
1.** Factory 1 15.7Khz
2. Factory 2
3. VGA 400
4.* VGA480
5. VGA350
15.62khz
31.46khz
31.46khz
31.46khz
31.75khz
35.0khz
RGB
RGB
6. HDTV 33
7. MAC II 35
8.*#HDTV 45
9.* SVGA48
RGB
RGB
45.0khz
RGB
48.36khz
RGB
10. Factory 10 15.7Khz
Video - SVHS
11. Return To Normal Viewing
*
= 4:3 factory setup
** = 4:3, 16:9 factory setup
*# = 16:9 factory setup
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REAR VIEW
Be sure to read and understand the setup section before
Warranty is included with the PRO900X. Read the user
menu section to understand the features and functions for
normal system operation. There are no field required
adjustments to the service menu.
you attempt to install a PRO900X system; you will find
tables and examples of the required installation data for a
successful installation. Also, the user Operating Guide and
Vertical Active - vertical deflection yoke drive is present in the 9-1510 module.
Video Enable - all conditions are ready for high voltage to turn on via the 9-1504 mo
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TOP / INSIDE VIEW
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SETUP REMOTE CONTROL
The PRO900X will be supplied with the MBR3470T and a
functions. The SETUP mode is only for PRO900X setup /
Universal customer remote control. For most servicing situ- convergence use. To use the normal “user menu” (Source,
ations the MBR3470T is required. The MBR3470T has the
special functions needed for geometry/ convergence adjust-
Setup, or Video) the system must be out of the conver-
gence setup mode. The user menus will indicate the current
ments and system setup functions which the Universal cus- setting by highlighted text or a bar / number indication in
tomer remote cannot perform.
the dialog box at the bottom of the screen. The exception
is the Source menu which has the three choices with the
current selected source being highlighted and control
instructions in the dialog box.
When using the MBR3470T, keep in mind this is a five-
mode remote control. The mode functions at the top,
CABLE, VCR, AUX, and TV are standard MBR programmable
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SETUP MODE NOTES AND CAUTIONS
1. When you enter the setup mode, the system is in the
changes, press the “Quit” key twice.
“Geometry Mode” (the shape controls adjust all three
colors at the same time). To adjust an individual color
(i.e. Red to adjust SKEW), you must press the “Red
Select” key. This will put the system into the
“Convergence Mode” (the shape controls adjust one
color at a time). To return to the Geometry Mode, you
must press the “Red Select” key a second time.
8. Caution - shut all the PRO900X timers and signal source
power conserve features off before starting
convergence. If the video signal is lost, you will quit
convergence mode with no chance to save your work.
9. To display the Forced Mode Menu press “SETUP” and
“GREEN SELECT”.
10. To display the current sync and video format being used
press, “GREEN MUTE”.
2. When you are adjusting all colors (“geometry mode”)
the little arrow keys at the bottom are for video phase
adjust only. When they are pressed, the remote will
switch the geometry control to phase. If the arrow keys
have not been touched for a few seconds, the remote
will automatically switch back to the geometry control
you were last using before using the small arrows.
11.To see the elapsed time display, press and hold “LIN
C/ LI-LIN”, until the regular menu disappears, and then
press the “TIMER” or “H-Pulse” key.
12.To set the unit IR Code (for use when multiple units are
in the area), press and hold “LIN C/ LI-LIN”, until the
regular menu disappears, and then press “T/ LS”, “T/ LS”,
“T/ LS”, “T/ LS”, and “ADJ TOGGLE”.
3. When you are adjusting an individual color (“conver-
gence mode”) the little arrow keys at the bottom are
for DC Centering only. When they are pressed, the
remote will switch the convergence control to DC
Centering. If the arrow keys have not been touched for
a few seconds, the remote will automatically switch
back to the convergence control you were last using
before using the small arrows.
13. Copying Formats Procedure
Copy the setup information (Convergence, blanking,
phase, chromatics, and aspect ratio) from one defined
format to another defined format. Procedure quickly
copies unrecognized new formats or existing formats to
one of the five available “Customer” defined format
spaces. The ten factory format presets cannot be over-
written. To display the Copy Format Menu, press
“R-MUTE”. Use the Left/ Right arrows to select the for-
mat you want to copy. Use the Up/ Down arrows to
change the menu option from “Copy From” to “Copy To”.
Use ENTER to initate copying the format to the newly
specified customer format (Customer 1, Customer 2,
etc.) If a format already exists in the selected Customer
format space, it will be overwritten by the new format
when ENTER is pressed. QUIT exits the menu without
making any changes.
4. The setup controls, in the on screen display, are usually
labeled with Horz/ Vert, T/ L (top/ left), or B/ R
(bottom/ right) and a number value indicating the
current setting.
5. If you want to see what effect the “new setting”
compared to the “stored setting” has on the display,
press the “ADJ TOGGLE” key on the remote. Adjust tog-
gle will allow you to switch between the two settings
before committing to a change.
6. After making your changes and adjustments, be sure
you SAVE THE NEW SETTINGS. If a major change has
been made, new module, new CRT, or a change in the
physical setup, you must re-adjust and store the
geometry/ setup for each of the formats and aspect
ratios being used.
14. To aid with the alignment procedure, it is recommended
that you mark the center of the screen and the center
of all four sides with masking tape. Use “drafting” type
tape that will not leave any marks. This will give you
calibration points for convergence and CRT alignments.
7. To escape from the setup mode, without saving any
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SPECIFICATIONS FOR RGB SYNC INPUTS
Version 2.1 December 21, 1995
I. SYNC INPUTS
IV. AMPLITUDE
There are three Sync signal inputs for use with RGB sources: 1. SYNC-ON-GREEN - - Sync portion: 300mV, +/ - 150mV.
1. SYNC-ON-GREEN (SOG) - - this is through the Green
video input BNC jack, terminated 75 ohms.
2. HORIZONTAL/ COMPOSITE (H / Comp) - - through a BNC
jack on the 9-1515 Combo module, software switchable
termination 2K/ 75 ohms.
2. HORIZONTAL/ COMPOSITE
a. Analog/ TTL Mode - - 0.7Vp-p to 5Vp-p.
b. Special Composite Mode - - 300mV, +/ - 150mV.
3. VERTICAL - - 0.7Vp-p to 5Vp-p.
3. VERTICAL (V) - - through a BNC jack on the 9-1515
Combo module, software switchable termination 2K/ 75
ohms.
V. POLARITY
1. SYNC-ON-GREEN - - negative.
2. HORIZONTAL/ COMPOSITE
a. Analog/ TTL Mode - - positive or negative.
b. Special Composite Mode - - negative.
II. COMPATIBILITY
1. SYNC-ON-GREEN - - negative-going sync on Green video 3. VERTICAL - - positive or negative.
input, either EIA or SMPTE (HD) spec compatible.
2. HORIZONTAL/ COMPOSITE
VI. PULSE WIDTH OR DUTY CYCLE
a. Analog/ TTL Mode - - TTL-level computer syncs (VGA,
SVGA, Macintosh), NTSC/ PAL/ SECAM studio/ commer-
cial horizontal/ composite analog sync.
b. Special Composite Mode - - NTSC/ PAL/ SECAM or
SMPTE HD studio/ commercial negative
1. SYNC-ON-GREEN - - Minimum sync pulse width = 400nS.
2. HORIZONTAL/ COMPOSITE
a. Analog/ TTL Mode. - - Max duty cycle of sync pulse
(Vsync in = 0.7Vp-p) = 15% Max duty cycle of sync
pulse (Vsync in 1.4Vp-p) = 30%.
composite or tri-level analog sync (Black Video).
3. VERTICAL - - TTL-level computer syncs (VGA, SVGA,
Macintosh), NTSC/ PAL/ SECAM studio/ commercial nega-
tive vertical analog sync.
b. Special Composite Mode - - Minimum sync pulse
width = 400nS.
3. VERTICAL - - Max duty cycle of sync pulse (Vsync in =
0.7Vp-p) = 15% Max duty cycle of sync pulse (Vsync in
1.4Vp-p) = 30%.
III. FREQUENCY RANGE
1. SYNC-ON-GREEN - - Horizontal component: 15kHz to
50kHz. Vertical component: 50 to 100 Hz.
2. HORIZONTAL/ COMPOSITE - - Horizontal component:
15kHz to 50kHz. Vertical component: 50 to 100 Hz.
3. VERTICAL - - 50 to 100 Hz.
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NOTES
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SCREEN SIZE SELECTION
Courtesy of Draper Shade & Screen
Note - Vertical presentation of a slide reverses its aspect ratio. To
allow this, use a 1.00: 1.00 aspect ratio for any type slide.
One of the most important decisions in screen selection is to
determine the correct size of screen based upon-
Projection Formats
1. The dimensions of the audience area.
2. The projection format, or formats, to be used.
Most models of DRAPER screens are offered in both audio visual
and 3:4 video formats. Certain models are also offered in HDTV
and WideScreen formats. The differences between these formats
are stated below.
In some situations, these two questions yield the same answer; in
others they do not and compromises must be made. Here are the
key considerations:
We are glad to provide any DRAPER screen in the size and projec-
tion format of your choice. We can provide any size up to and
including the largest published size. If you do not find the size
and format you need listed, please call or fax your requirement to
us, and we will be delighted to quote.
Audience Area-In determining the correct size of screen in rela-
tion to the audience area, the goal is to make the size large
enough so those in the rear of the audience area can see the sub-
ject matter easily, but not so large that those in the front of the
audience area have difficulty seeing the full width of the project-
ed image.
Audiovisual (or AV) format screens are intended for general use.
They accommodate a variety of projector types and range from
square to wide horizontal in aspect ratio.
Width-The generally accepted guideline in determining the screen
width is the Two and Six Rule:
A. Screen width should equal the distance from the screen to the
first row of seats, divided by two.
AV format screens are described in terms of height x width, and
are standardly furnished without black borders, although borders
are optionally available.
B. Screen width should equal the distance from the screen to the
last row of seats, divided by six.
Video format screens, on the other hand, are specifically
designed for use with video projectors. Their format is strictly
defined as a 3:4 rectangle, and the size is usually described in
terms of a nominal diagonal. Conventional models of video format
screens are standardly furnished with black borders to frame the
image on all four sides, allowing for video projector overscan. Tab
Tensioned electric screens are routinely furnished with black bor-
ders at the sides and bottom, although black masking at the top
is optionally available.
In case of a difference between these two guidelines, the one
yielding the larger size should prevail.
Height-As a rule of thumb, the screen height should equal or
exceeding the distance from the screen to the last row of seats,
divided by eight. Ceiling height and projection format considera-
tions may modify this standard.
Ceiling Height-The bottom of the screen should be approximately
48” above the floor to allow all members of the audience to see
the bottom of the projected image.
HDTV format (9 high by 16 wide) is also available for high-defi-
nition television projection, Anamorphic Video and Wide sssScreen
format (1: 1.85).
Projection Format-Once you have determined the correct size of
the screen based upon the audience area, that size may be based
upon the type, or types, of projection equipment to be used. If
the screen will only be used with one type of projector of (over-
head projector, CRT video projector, etc.), it is easy to determine
the exact screen dimensions based upon the projection format of
that projector. Projection formats are expressed in terms of aspect
ratio, which is the relationship of the height of the projected
image to its width. Aspect ratios of common projection formats
are listed below.
How to Calculate a Custom Size
Draper also manufactures custom size screens to meet your speci-
fication. Virtually any size within the maximum shown for a given
model is available. Please call for pricing on special sizes. If you
need to calculate a custom size, these formulas may be useful (D
= exact diagonal; H viewing area height; W = viewing area width):
3:4 Video:
H = D x.6
If it is necessary to modify the screen dimensions based upon the
formats of projectors to be used, it is preferable to hold the
screen height constant and increase the screen width as neces-
sary, rather than to hold the width constant and decrease the
height.
W = D x.8
D = H x 1.667,
D = W x 1.25
9:16 HDTV:
H = D x.49
ASPECT RATIOS OF COMMON PROJECTION FORMATS
H:W
W = D x.87146
D = H x 2.04
D = W x 1.1475
1.00:1.00
Overhead and opaque projection,
1.00:1.78 or 9:16 High Definition Television (HDTV) Anamorphic
1:1.85 wide screen:
H = D x.4762,
W = D x.881,
Video
1.00:1.33 or 3:4 LCD and CRT video and data-graphics
projection
D = H x 2.1,
D = W x 1.135
1.00:1.85
1.00:2.35
Wide Screen
CinemaScope
1.00:1.48 or 2:3 2x2 standard slides (35mm DF)
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SETUP AND ALIGNMENT PROCEDURE
c. Set Blue CRT point angle according to the display width.
PROCEDURE OVERVIEW
Refer to the figures on page 20.
There are several situations to consider when performing the setup
procedure for the PRO900X System. The setup procedure will vary
depending on the required physical and signal configuration.
Note: The PRO900X unit is shipped with spacer shims between
the CRT and lens assemblies, these must be removed to set up the
“Scheimpflug (spring/ edge)” focus. Refer to the figure on page 23
for the edge focus procedure.
The simplest setup is that of a “factory configured” projector
which will use the preset conditions. Factory configured means it
has been aligned for ceiling/ front projection and a 80” wide dis-
play at a projected distance of 96 3/ 8”. In this case, using the
customer’s signal source, only minor blanking, phase, and conver-
gence touch up is required.
4. Mount the projector system.
Mount the PRO900X system according to the prearranged plans
agreed upon between the installer and end user. Verify the mount-
ing point, hardware, signal connections, and power connections.
If the display size is changed, to other than 80” width or the unit
is to be floor-mounted, completion of the full setup procedure is
required.
Note: It is recommended that preliminary setup be done on the
floor before hanging a ceiling-configured system.
5. Projector/ Display Surface Physical Setup
a. Set the projector to screen distance according to display
width. Refer the figures on pages 20 and 21.
b. Set projector height according to display size. Refer to the
figures on pages 20 and 21.
Setup, after a hardware repair, is the other condition.
Replacement of a CRT usually requires minor alignment steps
(yoke, astigmatator, focus, and re-convergence only for that
color). Replacement of modules, in the vertical, horizontal deflec-
tion, or convergence systems, usually requires that most all align-
ment steps are to be performed.
c. Adjust the projector’s position for no horizontal skew to
the display screen.
I. INSTALLATION PREREQUISITES
d. Verify that the Green CRT center is centered to the screen
horizontal center.
e. Stabilize the projector and screen mounting hardware.
f. Verify that the setup of steps “a” through “d” has not
changed.
1. Mounting Configuration - Floor or Ceiling.
2. Projection Configuration - Front or Rear.
3. Determine Display Size and Aspect Ratio (Shape).
4. List All Signal Source(s) and Format(s).
5. Check Projection Installation Area - Before Installation.
6. Set Up Signal Sources
a. Connect the RGB and/ or Video Source(s) to the PRO900X
jackpack.
b. Reconnect the AC power.
c. Turn on the PRO900X and the Signal Source(s).
d. Verify that the PRO900X recognizes all the source signals.
e. Set the “Ceiling/ Floor” setup menu option.
6. Survey Installation Area For Power and Signal Source
Requirements.
7. Test PRO900X system before modifying its configuration.
8. Modify, Install, and Set Up the PRO900X system.
II. SYSTEM CHECK AND PHYSICAL SETUP
1. PRO900X Check Out Before Changes to Configuration
IMPORTANT Do Not Connect Power until you verify cor-
rect setup of the 120/ 230 VAC jumper on the 9-1500
power supply. Refer to the illustration at the right.
a. Connect all the customer’s RGB and Video
Source(s) to the PRO900X jackpack.
b. Turn on the PRO900X and the Signal Source(s).
c. Verify that the PRO900X recognizes all the source signals.
d. Verify that the PRO900X operates correctly.
e. Turn the PRO900X off and disconnect the AC power.
2. Set Floor/ Ceiling and Front/ Rear Configuration. Refer to the
figures on page 19.
a. Remove the PRO900X top cover.
b. 9-1510 Module set vertical deflection and
horizontal/ vertical convergence connectors.
c. 9-1505 module set horizontal deflection connectors.
d. 9-1509 module set dynamic focus switch SW7001.
3. Set Red and Blue CRT Point Angles Set angles only if the setup
is a non-factory configuration (other than 80” wide image.)
a. Remove the nylon rod shipping spacers (or shipping
wedges).
b. Set Red CRT point angle according to the display width.
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SETUP REFERENCES
9 - 1505 Module
Top View
9 - 1510 Module
Setup Menus
9 - 1509 Module Top Edge
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PHYSICAL SETUP
EXAMPLES OF DISPLAY SETUP DISTANCES
AND CENTER POINTS
“A”*
“B”
Screen Projection
Width Distance
Display
Center
26 3/ 8”
30 3/ 4”
38”
43 5/ 8”
52 3/ 8”
61”
“Peerless”
Mount Center
Note: Distance “A” is measured from the cabinet panel
front directly below the green CRT lens.
2. Calculate the Display Center “B” from a reference line
projected from the bottom of the cabinet. Display
Center “B” = A x 0.3057) + 8.44.
3. Set the projector’s height using measurement “B”. This
references the bottom of the cabinet to the display
center. When doing a ceiling mount, be sure to allow for
the dimensions of the mounting bracket hardware.
4. Ensure that the projector is mounted horizontally
centered and perpendicular to the screen.
48”
60”
80”
96”
120”
144”
160”
200”
58 5/ 8”
72 7/ 8”
96 3/ 8”
115 1/ 4”
143 1/ 2”
171 7/ 8”
190 5/ 8”
237 7/ 8”
11”
11”
11”
11”
11”
11”
11”
11”
66 3/ 4”
81 1/ 8”
PHYSICAL SETUP TO THE SCREEN (for all aspect ratios)
5. The Peerless ceiling-mount center is 11” from the “A”
distance reference point on the PRO900X front.
1. Set distance “A” according to the selected display width
(* or calculate the distance in inches “A” = 1.179 x
width) +2.063
CRT Front View
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SYSTEM ALIGNMENT
Mount Bracket Center
11" from Front Panel
Under the Green CRT
Center
11
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SYSTEM ALIGNMENT
If this test shows a need for astimatator alignment perform steps
“a” - “l” below.
III. PRELIMINARY ALIGNMENT SETUP
The following procedures are intended for complete
“Geometry/ Convergence” setup. Use the customer’s signal for
doing phase, and size adjustments. You can use the internal pat-
terns for shape and convergence if the customer signal sources do
not have a cross-hatch pattern.
Astigmatator Alignment Procedure
a. Set the display/ sync mode to Forced Mode 6 (HDTV33) and
select a cross-hatch or dot pattern.
b. Cut off Red and Blue video or cover the CRT lens
assemblies.
c. Set Green electrical focus slightly CCW. This is to make a near
display center dot dimly haloed with a bright center. The
haloed effect will also be visible with the cross-hatch lines.
If you are realigning a single CRT, due to replacement, or doing
alignment touch up, perform the following steps as needed.
1. Yoke Tilt Alignment
Use a cross-hair or cross-hatch pattern. Monitor only the center-
most horizontal line of the pattern to check yoke tilt.
d. Use the astigmatator 4-pole magnet to shape the halo and
bright spot as round as possible.
e. Use the astigmatator 6-pole magnet, if needed, to help shape
the halo and spot round.
Do not use SW9501, on the 9-1510 module, to disable conver-
gence. The vertical circuit is not disabled, only the horizontal is
disabled.
f. Use the astigmatator 2-pole magnet (refer to the figure at
bottom left of this page) to center the bright spot within the
halo. You may also use an intersection, of the cross-hatch, to
center the bright area within the haloed area.
g. Use the main yoke magnets to position the signal raster center
to the CRT face center. Refer to figure below.
a. Set Horizontal DC centering to “0” (red, green, blue).
b. Set Vertical DC centering:
Floor: Red = -30; Green = -20; Blue = -30.
Ceiling : Red = 30; Green = 20; Blue = 30.
c. In geometry mode and convergence mode (green, red, and
blue) set “SKEW” H = 0 and “SKEW” V = 0.
d. Adjust the Red, Green, and Blue yokes for no horizontal tilt
or twist.
2. Yoke Ring Magnet and Astigmatator Alignment
Verify Only - This is not a normal field adjustment.
The astigmatator assembly should be mounted 62.5 mm from the
video output module (from the front edge of the video output
module to the six pole rings). Refer to the figure on page 24.
Astigmatator Alignment Verification Test
Adjust for the best electrical and mechanical focus.
Verify spot alignment by rotating Green electrical focus slightly
CW to CCW. The Dot shape should not tail or flair. The bright area
should remain in the center of the haloed area. Refer to the fig-
ure below.
h. Verify spot alignment by rotating Green electrical focus slightly
CW to CCW. The Dot shape should not tail or flair. The bright
area should remain in the center of the haloed area.
i. Repeat steps “c” thru “h” as needed to obtain the smallest and
best round Green center dot with no shape flaring.
j. Adjust for the best electrical and mechanical focus.
k. Repeat steps “c” - “j” for the Red and Blue displays.
l. Exit forced mode 6 and return to normal video. Set
Brightness and Contrast to 50.
Note: The yoke adjustments should not be touched during the
remaining setup steps.
3. Ceiling/ Front Projection Lens Angle Focus Alignment
If this PRO900X system is equipped with the “lens assembly
focus” spring, the following procedure must be completed. This
procedure must be completed as part of the system mechanical
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SYSTEM ALIGNMENT
sharp all the way across (top to bottom and left to right). If
not, you can fine adjust with this same procedure.
Note: Throughout this procedure pay no attention to the
corners of the image.
g. Adjust the focus mechanically and electrically to get the
best overall image.
h. Cover the Green lens and uncover the Red lens.
i. Repeat step “b” - “g” for Red.
j. Cover the Red lens and uncover the Blue lens.
k. Repeat steps “b” - “g” for Blue.
l. Re-install PRO900X top cover.
m. Turn off the sync forced mode 9 and return to normal video
viewing or sync forced mode 11.
4. Rough Geometry/ Convergence Setup of Green
When aligning Green, some controls are enabled in Geometry only.
This is why the alignment starts by using Green in the geometry
mode of setup.
a. Using the setup remote control, press “SETUP” and “RED”.
This will put the system into the “GEOMETRY MODE”.
b. Using the setup remote control press “RED MUTE” and
“BLUE MUTE”. You should see only the Green video.
c. Roughly set up the shape of the Green display using the
appropriate Skew, Bow, Key, etc. controls. Adjust size, or
phase using the customer’s video signal. Refer to pages 25,
26, and 27 for the convergence remote control and
procedure notes.
focus procedure. See the figure above.
a. Turn on the projector, project a cross-hatch pattern on the
screen. Cover up both the Blue and Red lenses. Work only on
the Green lens.
b. Tighten all 4 lens mounting screws.
c. Loosen all 4 lens mounting screws 3 full turns.
d. Adjust the mechanical and electrical focus to get the best
image possible in the center of the picture.
e. Loosen the lens focus adjustment knob. Fully extend the lens
barrel. Adjust mechanical focus while observing the center
horizontal line. Adjust until one side (left or right) comes
sharpely into focus. Adjust the two screws opposite the side
that is in focus (i.e., if the left side of the center horizontal
line is in focus, adjust the two screws on the right side of the
lens). Turn each screw 1/ 4 - 1/ 2 turn at-a-time in the same
direction (in or out) while observing the focus of the center
horizontal line. If the sharp focus begins to move towards the
center of the image, you are going in the wrong dierction (in or
out). Adjust in the correct direction until the entire line
achieves a uniform soft focus from left to right. You should
then be able to adjust the barrel focus to get the center
horizontal line sharp all the way across. If not, you can fine
adjust with this same procedure.
5. Rough Geometry/ Convergence of Red and Blue
a. Using the remote control, return to the SETUP Mode and
select the internal cross-hatch pattern.
b. Press “RED” and mute the Blue video.
c. Using the “Point Angle” adjustment screws, align the Red
center point horizontally with the Green center point.
d. Using DC vertical center, align the horizontal center line of
the Red pattern to the horizontal center line of the Green
pattern.
e. Adjust Red “Size” and “Lin T/ B - L/ R “ to roughly match
the Green pattern size. Refer to pages 25, 26, and 27.
f. Roughly set up the shape of the Red display using the
appropriate Skew, Bow, Key, etc. controls. Refer to
pages 25, 26, and 27.
g. Press “BLUE” and mute the Red video.
f. Loosen the lens focus adjustment knob. Fully extend the lens
barrel. Adjust mechanical focus while observing the center
vertical line. Adjust until one side (top or bottom) comes
sharpely into focus. Adjust the two screws opposite the side
that is in focus (i.e., if the bottom of the center vertical
line is in focus, adjust the two screws on the top of the
lens). Turn each screw 1/ 4 - 1/ 2 turn at a time in the same
direction (in or out) while observing the focus of the center
vertical line. If the sharp focus begins to move towards the
center of the image, you are going in the wrong dierction (in or
out). Adjust in the correct direction until the entire line
achieves a uniform soft focus from top to bottom. You should
then be able to adjust the barrel focus to get the entire image
h. Using the “Point Angle” adjustment screws, align the Red
center point horizontally with the Green center point.
i. Using DC vertical center, align the horizontal center line of
the Blue pattern to the horizontal center line of the Green
pattern.
j. Adjust Blue “Size” and “Lin T/ B - L/ R “ to roughly match
the Green pattern size. Refer to pages 25, 26, and 27.
k. Roughly set up the shape of the blue display using the
appropriate Skew, Bow, Key, etc. controls. Refer to pages 25,
26, and 27.
l. Press “QUIT” and “ADJ TOGGLE” to store the adjustments.
Continued on next page.
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SYSTEM ALIGNMENT
5. Video Blanking Setup Using the Customer’s Signal
IV. Final Detailed Geometry/ Convergence Setup
a. Access the Blanking/ Phase feature of the setup menu.
b. Select the TOP/ LEFT BLANKING feature.
Use the video patterns generated by the customer’s signal source
for final alignment. If this is not possible, use the internal cross
hatch pattern only to do the geometry and convergence. The cus-
tomer’s signal must be used for blanking, size, centering and
phase.
c. Using the small arrows adjust the top and left edges
(increasing the setting number) until the edge begins to
crop or frame the video. Decease the number until the
cropping just stops. Now decease the number value two
more.
1. Green Geometry Setup
a. Return to the geometry and convergence modes and set up
the Green display with precision. Each step should be done
by measuring the display and not guess work.
b. Now store the Green setup.
d. Select the BOTTOM/ RIGHT BLANKING feature, repeat step c.
e. Press ADJ TOGGLE and save the settings.
V. Geometry/ Convergence of Other Aspect Ratios
2. Red to Green Convergence Setup
a. Return to the convergence mode and set up the red display
with precision. Converge the Red display to the Green
display using all necessary controls.
1. Geometry/ Convergence setup must be accomplished for each
required aspect ratio of each signal format used (Video,
S-Video, RGB VGA400, VGA480, SVGA, etc.).
b. Now store the Red setup.
2. Each of the ten standard signal format memory “custom” loca
tions also has a “custom” location for each of associated
aspect ratios.
3. Blue to Green Convergence Setup
a. Return to the convergence mode and set up the Blue display
with precision. Converge the Red display to the Green
display using all necessary controls.
3. The five “customer” format memory locations also store the
aspect ratio information separately.
b. Now store the Blue setup.
4. RGB sources use the 4 x 3, letter box, or 16 x 9 aspect ratios.
4. Red to Green to Blue Convergence Setup
a. Return to the convergence mode and set up the Red and
Blue display with precision. Converge the Red display to the
Green display using all necessary controls.
5. Video and S-Video sources use the 4 x 3, letter box,
Compressed, and 16 x 9 aspect ratios.
b. Now store the completed setup.
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SYSTEM ALIGNMENT
DIGITAL DISPLAY SETUP PROCEDURE GEOMETRY CONVERGENCE
Geometry controls all three colors at the same time. January 1998
Remote
Key
Adjustment Goal
Remote
Key
Adjustment Goal
1. SIZE
H. Size
V. Size
Set to fill screen at C and D. (Use
external source not internal test
pattern)
19. T/ L KEY
V. Top Key
Set top edge E-F straight with respect
to screen border.
20. T/ L PIN
21. T/ L S
V. Top Pin
V. Left S
Set for straight top edge, line E-F.
2. SIZE
Set to fill Screen at A and B. (Use
external source not internal test
pattern.)
Set for straight edge, line E-F (middle
areas J & L move opposite; center A
and ends E & F are stable).
3. LIN TB LR
4. LIN TB LR
5. LIN C
H. Lin L-R
V. Lin T-B
H. Lin C
Set equal widths CZ=ZD
Set equal height AZ=ZB
22. T/ L KEY
H. Left Key
Set left edge E-G straight with respect to
screen border top and bottom move in
opposite directions, center C is stable).
Set box width at center equal to
average of left and right box widths
and size.
23. T/ L PIN
24. T/ L S
H. Left Pin
H. Left S
Set for straight left edge, line E-G
(corners E & G move, center C is stable).
6. LIN C
V. Lin C
Set box heights at center equal to
average of top and bottom box widths
and size.
Set for straight left edge, line E-G
(middle areas N & P move opposite; center
C and ends E & G are stable).
7. SMALL
ARROWS
H&V Video
Phase
Set the position of the external source
to be centered on the screen.
25. IN-KEY
H. In Key
Set J-K and L-M straight with respect to
line E-G, A-B, and F-H (adjust for
minimal internal keystone; top bottom
move in opposite directions; centers 3 and
4 are stable).
8. SKEW
9. BOW
V. Skew
Bow V.
Level line C-D.
Straighten line C-D (note that some
screen frames are curved).
26. IN-PIN
27. W-MV
H. In Pin
W-M
Set J-K and L-M straight (adjust for
minimal internal pincushion).
10. SKEW
H. Skew
Line A-B edges equal distance to
screen edge.
Average error for straightest lines G-H
and E-F (middle areas K & M, and J & L
move in same direction; center B, A and
ends G & H, are stationary).
11. BOW
12. KEY
H. Bow
V. Key
Straighten Line A-B
Set bottom edge G-H straight with
respect to screen border.
28. Touch up all controls
Due to the interaction of IN-XXX con-
trols, key controls, and pin controls for
best overall convergence, it may be
necessary to ‘tweak’ the other controls.
13. PIN
V. Pin
V. ‘S’
Set for straight bottom edge, line G-H
(corners G & H move, center B is
stable.)
14. S-ING
Set for straight bottom edge, line G-H
(middle areas K & M move in opposite
direction, center B; and ends G & H are
stable).
15. W-M
16. KEY
V. W-M
H. Key
Adjust for straightest line G-H (middle
areas K & M move in same direction,
center B and ends G & H are
stationary).
Set right edge F-H straight with respect
to screen border (top and bottom move
in opposite directions; center D is
stable.)
17. PIN
H. Pin
H. ‘S’
Set for straight right edge, line F-H
(corner F&H move, center D is stable.)
18. S-ING
Set for straight right edge, line F-H
(middle areas O & Q move opposite and
center D and ends F & H are stable.)
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SYSTEM ALIGNMENT
DIGITAL DISPLAY SETUP PROCEDURE CONVERGENCE OF RED AND BLUE ONTO GREEN
It is desirable to Mute color you are not adjusting. Select the color you want to adjust by pressing the RED or BLUE key.
Remote
Key
Adjustment
Goal
Remote
Key
Adjustment
Goal
1. SMALL
ARROWS
H. & V. Statics Set center of video for best overlap
with Green (this may have to be
‘tweaked’ during this alignment
procedure.)
19. S-ING
H. ‘S’
Balance error at right edge in areas &
Q (middle areas O & Q move in opposite
direction; center D and ends F & H are
stationary).
2. SIZE
H. Size
Set to match Green at C and D.
Set to match Green at A and B.
20. T/ L KEY
V. Top Key
Balance error with Green at top corners
E & F straight with respect to screen
border (left and right move in opposite
directions; center A is stable).
3. SIZE
V. Size
4. LIN T-B L-R
H. Lin L-R
Match Green at C and D; Iterate with
H. Size if necessary.
21. T/ L KEY
V. Top Pin
V. ‘S’
Match Green at top edge comers E & F
(comers E & F move in same direction;
center A is stable).
5. LIN T,B L-R
V. Lin T-B
Match Green at A and B iterate with
V. Size if necessary.
6. LIN C and
H. SIZE
Lin C and
SIZE
Match Green at 4, center line vertical
axis, midway between Z and D.
22. T/ L S-ING
Balance error at bottom edge in areas J
& L (middle areas J & L move in oppo-
site directions; center A and ends E & F
are stationary).
7. LI-LIN
H. LI LIN
Match Green at 3, center line vertical
axis, midway between C & Z and LI-LIN
(Press key twice to get the second
function.) Caution: H. LIN C also
affects this; adjust in correct order
above.)
23. T/ L KEY
24. T/ L PIN
25. T/ L S-ING
H. Left Key
H. Left Pin
H. ‘S’
Balance error with Green at left corners
E & G (top and bottom move in oppo-
site directions; center C is stable).
Match Green at left edge corners E & G
(corners E & G move in same direction,
center C is stable).
8. LIN C
9. SKEW
10. BOW
11. SKEW
12. BOW
13. KEY
V. Lin C
V. Skew
V. Bow
H. Skew
H. Bow
V. Key
Match Green at 7 and 8.
Match Green at C and D.
Match Green at C and D.
Match Green at A and B.
Match Green at A and B.
Balance error at left edge in areas N & P
(middle areas N & P move in opposite
directions; center C and ends E & G are
stationary).
26. IN KEY
27. IN PIN
28. IN KEY
29. IN-PIN
H. In Key
H. In Pin
V. In Key
V. In Pin
Average error with Green in middle areas
J, K, and L, M (ends move in opposite
direction centers 3 & 4 are stable, may
require iteration with H. Skew, H. Key).
Balance error with Green at bottom
edge G-H (left and right edges move
in opposite directions; center is
stable).
Match Green in middle areas J, K, and L,
M (ends move in same direction: center
is stable; may require iteration with H.
Bow, H. Pin).
14. PIN
V. Pin
V. ‘S’
Match Green at right edge corners G
& H (corners G & H move in same
direction; center B is stable).
15. S-ING
Balance error at bottom edge in areas
K & M (middle areas K & M move
in opposite directions; center B and
ends G & H are stationary).
Average error with Green in middle areas
N, O, and P, Q (ends move in opposite
direction centers 7 & 8 are stable, may
require iteration with V. Skew, V. Key).
16. W-M
17. KEY
18. PIN
V. W-M
H. key
H. Pin
Balance error at bottom edge in
areas K & M (middle areas K & M move
in same direction, center B and ends
G & H are stationary).
Match Green in middle areas N, O and P,
Q (may require iteration with V. Bow, V.
Pin)
30. Touch up all controls
Due to the interaction of IN-Controls,
Key Controls and Pin controls for best
overall convergence, it may be necessary
to tweak the other controls. This should
only require minor adjustments of each
control.
Balance error with Green at right
edge corners F & H (top and bottom
move in opposite directions; center D
is stable).
Match Green at F & H (corners F & H
move in same direction; center D is
stable).
It may be necessary to perform this
procedure twice to get optimal
performance.
3276-A
P AGE 2 7
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NOTES
© Copyright 2000 Zenith Electronics Corporation
1000 Milwaukee Avenue, Glenview, Illinois 60025-2495
206-3634
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