BLONDER TONGUE AM 60 550 User Manual1

One Jake Brown Road  
Old Bridge, NJ 08857-1000 USA  
(800) 523-6049 • (732) 679-4000 • FAX: (732) 679-4353  
INSTRUCTIONꢀMANUAL  
AM Series  
Agile Modulator with  
Emergency Alert System  
Model  
AM-60-550  
AM-60-806  
Stock No.  
59416  
59419  
Status  
Active  
Obsolete  
Date  
Document No.  
651217400F  
651217400E  
Issue No.  
Author  
KK  
September 22, 2014  
December 11, 2009  
6
5
KK  
U
C
® L US  
LISTED  
45A6  
©2009 Blonder Tongue Laboratories, Inc. All rights reserved. Specifications are subject to change without notice. Trademarks are the property of their respective owner.  
AM Series  
3
Instruction Manual  
Section 1 — General & Safety Instructions  
The STOP sign symbol is intended to alert you to the presence of REQUIRED operating and  
maintenance (servicing) instructions that if not followed, may result in product failure or  
destruction.  
The YIELD sign symbol is intended to alert you to the presence of RECOMMENDED operating  
and maintenance (servicing) instructions.  
The LIGHTNING flash symbol is intended to alert you to the presence of uninsulated  
"dangerous voltage" within the product's enclosure that may be of sufficient magnitude to  
constitute a risk of electrical shock.  
TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT REMOVE COVER FROM THIS UNIT.  
NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.  
WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE  
NOTE TO CATV SYSTEM INSTALLER  
This reminder is provided to call the CATV System Installer’s attention to Article 820-40 of the NEC that  
provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected  
to the grounding system of the building, as close to the point of cable entry as practical.  
Safety Instructions  
YOU SHOULD ALWAYS FOLLOW THESE INSTRUCTIONS TO HELP ENSURE  
AGAINST INJURY TO YOURSELF AND DAMAGE TO YOUR EQUIPMENT.  
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Elevated Operating Ambient - If installed in a closed or multi-unit rack assembly, the operating ambient temperature of the rack environment may be  
greater than room ambient. Therefore, consideration should be given to installing the equipment in an environment compatible with the maximum  
ambient temperature per manufacturer's recommendation.  
Reduced Air Flow - Installation of the equipment in a rack should be such that the amount of air flow required for safe operation of the equipment is not  
compromised.  
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Mechanical Loading - Mounting of the equipment in the rack should be such that a hazardous condition is not achieved due to uneven mechanical loading.  
Circuit Overloading - Consideration should be given to the connection of the equipment to the supply circuit and the effect that overloading of the circuits  
might have on overcurrent protection and supply wiring. Appropriate consideration of equipment nameplate ratings should be used when addressing  
this concern.  
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Reliable Earthing - Reliable earthing of rack-mounted equipment should be maintained. Particular attention should be given to supply connections other  
than direct connections to the branch circuit (e.g. use of power strips).  
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Read all safety and operating instructions before you operate the unit.  
Retain all safety and operating instructions for future reference.  
Heed all warnings on the unit and in the safety and operating instructions.  
AM Series  
Instruction Manual  
4
Safety Instructions - continued  
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Follow all installation, operating, and use instructions.  
Unplug the unit from the AC power outlet before cleaning. Use only a damp cloth for cleaning the exterior of the unit.  
Do not use accessories or attachments not recommended by Blonder Tongue, as they may cause hazards, and will void the warranty.  
Do not operate the unit in high-humidity areas, or expose it to water or moisture.  
Do not place the unit on an unstable cart, stand, tripod, bracket, or table. The unit may fall, causing serious personal injury and damage to the unit. Install  
the unit only in a mounting rack designed for 19” rack-mounted equipment.  
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Do not block or cover slots and openings in the unit. These are provided for ventilation and protection from overheating. Never place the unit near or  
over a radiator or heat register. Do not place the unit in an enclosure such as a cabinet without proper ventilation. Do not mount equipment in the rack  
space directly above or below the unit.  
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Operate the unit using only the type of power source indicated on the marking label. Unplug the unit power cord by gripping the plug, not the cord.  
The unit is equipped with a three-wire ground-type plug. This plug will fit only into a ground-type power outlet. If you are unable to insert the plug into  
the outlet, contact an electrician to replace the outlet. Do not defeat the safety purpose of the ground-type plug.  
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Route power supply cords so that they are not likely to be walked on or pinched by items placed upon or against them. Pay particular attention to cords  
at plugs, convenience receptacles, and the point where they exit from the unit.  
Be sure that the outdoor components of the antenna system are grounded in accordance with local, federal, and National Electrical Code (NEC) require-  
ments. Pay special attention to NEC Sections 810 and 820. See the example shown in the following diagram:  
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We strongly recommend using an outlet that contains surge suppression or ground fault protection. For added protection during a lightning storm, or  
when the unit is left unattended and unused for long periods of time, unplug it from the wall outlet and disconnect the lines between the unit and the  
antenna. This will prevent damage caused by lightning or power line surges.  
Do not locate the antenna near overhead power lines or other electric light or power circuits, or where it can fall into such power lines or circuits. When  
installing the antenna, take extreme care to avoid touching such power lines or circuits, as contact with them can be fatal.  
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Do not overload wall outlets or extension cords, as this can result in a risk of fire or electrical shock.  
Never insert objects of any kind into the unit through openings, as the objects may touch dangerous voltage points or short out parts. This could cause  
fire or electrical shock.  
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Do not attempt to service the unit yourself, as opening or removing covers may expose you to dangerous voltage and will void the warranty. Refer all  
servicing to authorized service personnel.  
Unplug the unit from the wall outlet and refer servicing to authorized service personnel whenever the following occurs:  
o The power supply cord or plug is damaged;  
o Liquid has been spilled, or objects have fallen into the unit;  
o The unit has been exposed to rain or water;  
o The unit has been dropped or the chassis has been damaged;  
o The unit exhibits a distinct change in performance.  
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When replacement parts are required, ensure that the service technician uses replacement parts specified by Blonder Tongue. Unauthorized substitu-  
tions may damage the unit or cause electrical shock or fire, and will void the warranty.  
Upon completion of any service or repair to the unit, ask the service technician to perform safety checks to ensure that the unit is in proper operating  
condition.  
Returning Product for Repair (or Credit)  
A Return Material Authorization (RMA) Number is required on all products returned to Blonder Tongue, regardless if  
the product is being returned for repair or credit. Before returning product, please contact the Blonder Tongue Service  
Department at 1-800-523-6049, Ext. 4256 or visit our website: www.blondertongue.com for further information.  
AM Series  
5
Instruction Manual  
Description  
The AM Series are professional quality agile audio/video modulators equipped with an Emergency Alert System (EAS)  
feature, which can also be used for an alternate IF input. The units provide an audio and video modulated RF carrier on  
any channel from 54 to 550 or 806 MHz depending upon the model. Any standard audio/video source can be used, such  
as satellite receivers, television cameras, video tape recorders, or television demodulators.  
Channel tuning is easily accomplished with the use of front panel channel up/down push buttons. Frequency plans  
include CATV Standard EIA, IRC, HRC & Broadcast. All channel frequency information with appropriate FCC offsets is pre-  
programmed and tuned electronically via a microprocessor.  
The AM Series have optional features to fit many different applications. A stereo audio option, Option 05, also allows the  
integration of a BTSC stereo encoder module into the AM Series. This optional stereo encoder converts stereo left and  
right audio into a composite BTSC stereo audio signal. The factory installed option provides 20 dB of stereo separation,  
less than 1.0% total harmonic distortion and 60 dB signal to noise ratio.  
The EAS / Alternate IF feature allows a choice between manual and automatic selection of the EAS/ALT IF input signal. This  
is done through a 3 position terminal strip on the rear of the unit. In the manual mode the EAS/ALT IF feature is activated  
by a contact closure switch, which completes a ground connection. In the automatic mode, two positions on the terminal  
strip are jumpered together enabling an automatic detection circuit in the unit. When an EAS/ALT IF signal is routed to the  
EAS/ALT IF port the unit automatically switches to that alternate signal.  
The AM Series meets FCC Docket 21006 aeronautical frequency offset requirements (5 kHz video carrier accuracy). A high  
in-channel carrier to noise performance of 63 dB typical is achieved by the unit. A custom SAW IF filter is employed to  
provide true vestigial sideband selectivity with built-in FCC group delay equalization. A state of the art converter design  
with pre-programmed microprocessor controlled channel tuning ensures that the Blonder Tongue AM Series are the ideal  
agile modulator for any demanding CATV headend need.  
Options  
02 Video Input Connector BNC 75 Ohm  
04 Sub Band Output (AM-60-550 only)  
05 Stereo Audio  
07 Video AGC  
08 Audio AGC  
09 Balanced Audio Input  
AM Series  
Instruction Manual  
6
Input  
Output  
Connector  
Connector:  
Impedance:  
Return Loss:  
Frequency Range  
“F” Female  
75 Ω  
12 dB  
Standard: “F” Female  
Option 2: BNC Female  
75 Ω  
Impedance:  
Return Loss:  
18 dB  
Video Input Level  
AM-60-806 Model: 54 to 806 (NTSC CATV Ch. 2-125)  
AM-60-550 Model: 54 to 550 MHz (NTSC CATV Ch. 2 -78 & 95-99)  
Standard: 0.7 volt Peak-to-Peak (87.5% depth of modulation)  
Option 7 (Video AGC): 0.4 to 2.5 volts Peak-to-Peak (87.5% ±2.5% depth of modulation)  
Video-to-RMS Hum Ratio:  
65 dB Peak-to-Peak  
58 dB (Weighted; at 4MHz bandwidth)  
2.0%  
AM-60-550 with Option 4 (Sub-band): 7 to 550 MHz (NTSC CATV Ch. T7 -78 & 95-99)  
NTSC Channel Modes:  
Power Level  
Power Level Range  
Video Flatness:  
Carrier-to-Noise: (In Channel)  
Broadband Noise: (4 MHz bandwidth)  
Spurious Outputs:  
Aural/Visual Carrier Ratio:  
4.5 MHz Aural Inter-carrier Freq. Tolerance: ±150 Hz; 32 to 122 °F (0 to 50 °C)  
Channel Selectivity  
Signal-to-Noise Ratio:  
Differential Gain:  
UHF, VHF, CATV (Standard, HRC, IRC)  
+60 dBmV  
+50 to +60 dBmV (in 0.2 dB increments)  
fv-0.5 to fv+4.2 MHz (1.0 dB Peak-to-Valley)  
63 dB  
-77 dBc (@ +60 dBmV output level)  
-63 dBc  
-15 ±5 dB  
Differential Phase:  
1.0 degree  
Over-modulation Indicator:  
87 to 92%  
Chrominance/Luminance Delay: Per FCC Requirements  
Mono Audio (Standard)  
Connector:  
RCA  
Option 9 (Balanced Audio Input):  
Input Impedance:  
Option 9 (Balanced Audio Input):  
Input Level  
Terminal Strip  
Greater than 10 kΩ, unbalanced  
600 Ω, balanced  
Standard: 0.5 to 4.0 volt Peak-to-Peak  
Option 8 (Audio AGC):  
0.5 to 4.0 volt Peak-to-Peak (constant 25 kHz deviation)  
Frequency Range:  
50 Hz to 15 kHz  
± 0.5 dB  
Adjacent Aural & Below: -40 dB  
Adjacent Picture & Above: -40 ±5 dB  
Frequency Response:  
Total Harmonic Distortion:  
Signal-to-Noise Ratio:  
Over-modulation Threshold:  
1% @ 25 kHz deviation  
59 dB  
Visual Carrier Frequency Tolerance  
25 ± 2 kHz peak deviation  
Standard Channels: ±5.0 kHz; 32 to 122 °F (0 to 50 °C)  
FCC Aeronautical Channels: ±2.5 kHz; 32 to 122 °F (0 to 50 °C)  
Stereo Audio (Option 5)  
Connector:  
Input Impedance:  
Input Sensitivity  
RCA  
IF (Intermediate Frequency)  
Input/Output Connector:  
Aural Frequency:  
Visual Frequency:  
Composite IF Output  
Greater than 10 kΩ, unbalanced  
“F” Female / “F” Female  
41.25 MHz  
45.75 MHz  
Standard: 1.0 volt Peak-to-Peak (55 kHz peak deviation with pilot tone)  
Option 8 (Audio AGC): 0.5 to 4.0 volt Peak-to-Peak (constant 55 kHz deviation with pilot tone)  
Frequency Response:  
Separation:  
Harmonic Distortion:  
±0.75 dB (50 Hz to 14 kHz)  
20 dB (50 Hz to 10 kHz)  
Less than 1% (@ 1kHz)  
Aural Carrier Level: +20 dBmV  
Visual Carrier Level: +35 dBmV  
Input/Output Impedance:  
75 Ω  
Input/Output Return Loss:  
EAS/Alternative IF  
16/15 dB  
Connector: “F” Female  
Input Level: +38 dBmV @ 45.75 MHz  
Greater than 60 dB  
Switch Isolation:  
General  
Alarms/Monitoring/Control  
Dimensions (W x D x H):  
Power:  
19.0 x 14.25 x 1.75 in. (483 x 362 x 44 mm)  
Front-Panel Indicators  
Channel / Mode / RF Output: 3-Digit LED Display  
117 VAC ±10%; 60Hz (Fuse: 0.40 Amp)  
Also available in 220 VAC; 50Hz  
Video Over-modulation: Red LED  
Audio Over-modulation: Red LED  
EAS/Alternative IF: Red LED  
Stereo: Green LED  
Power Dissipation:  
Weight:  
28 W (max)  
7 lbs (3.18 kg)  
Operating Temperature:  
32 to 122 °F (0 to 50 °C)  
Front-Panel Controls  
Channel / Mode /RF Output: Navigation Key-pad  
Video Level: Potentiometer  
Storage Temperature:  
-13 to 158 °F (-25 to 70 °C)  
Operating Humidity:  
Storage Humidity:  
0 to 95% RH @ 35 °C max, non-condensing  
0 to 95% RH @ 35 °C max, non-condensing  
Audio Level: Potentiometer  
Aural Carrier Level: Potentiometer  
AM Series  
7
Instruction Manual  
Controls and Connections  
Operating Controls  
All operating controls and indicators for the modulator are located on, or are accessible from the front panel.  
[11]  
[10]  
[1] [2] [3] [4] [5] [6]  
[9]  
Figure 1 - Front Panel  
[7]  
[8]  
[1] EAS/ALT INDICATOR: Lights Red when EAS/ALT is active.  
[2] VIDEO OVERMODULATION LED: Lights when modulation is above 87.5%.  
[3] VIDEO MODULATION LEVEL: Adjusts percentage of modulation.  
[4] AURAL-TO-VISUAL CARRIER RATIO: Controls amplitude of aural RF carrier relative to visual RF carrier.  
[5] AUDIO MODULATION LEVEL: Adjusts aural carrier modulation.  
[6] AUDIO OVERMODULATION LED: Lights when peak deviation of aural carrier is over 25 kHz.  
[7] DISPLAY MODE BUTTON: Used to scroll through channel configuration, output level and modes.  
[8] CHANNEL, CHANNEL CONFIGURATION/OUTPUT LEVEL DISPLAY  
[9] UP/DOWN BUTTONS: Used to scroll through the channel, and channel configuraꢀon/output display.  
[10] ENTER BUTTON: Evokes the current seꢁngs in the channel/output display when depressed.  
[11] STEREO INDICATOR: Green LED lights when equipped with stereo opꢀon (AM Opt 5), the audio  
select switch (on rear panel) in the stereo posiꢀon and video is applied to the modulator.  
Note: All connections to the unit are made at the rear panel.  
[3]  
[2]  
[6]  
[7]  
[1]  
[8]  
[9]  
[4]  
Figure 2 - Rear Panel  
[5]  
[10]  
[1] RF OUTPUT: + 60 dBmV RF output  
[2] IF INPUT: +35 dBmV IF Input  
[3] EAS/ALT IF INPUT: Emergency Alert or Alternate IF Input  
[4] IF OUT: +35 dBmV IF Output (See note #10 below)  
[5] EAS/ALT IF TERMINAL: EAS / ALT IF mode selecꢀon (See page 9)  
[6] BALANCED AUDIO INPUT: Balanced Audio Input (Opꢀon 9 units only)  
[7] AUDIO INPUT: Audio input (standard)  
[8] VIDEO AGC ON/OFF: Video AGC switch (Opꢀon 7 units only)  
[9] VIDEO INPUT: 1 Volt PP video input  
[10] IF LOOP CABLE: The IF loop cable (supplied) must be installed to provide RF continuity. The modulator will  
not have an RF output without the IF loop installed.  
AM Series  
Instruction Manual  
8
Operation  
Opꢀon 4: (AM 60 550 Opt 4) Subchannel display  
in standard configuraꢀon mode (only)  
Display Mode  
This button scrolls through the selection of Channel, Channel Configuration, Output Level mode in this order.  
The resting state (default) of the AM's display mode is the channel number.  
Channel Selection  
The output channel is selected by pressing the UP or DN button when in the channel display mode.  
The LED display will blink indicating a transition state.  
The actual channel is not changed until the ENTER button is pressed.  
If the ENTER button is not pressed, the display will return to resting state after 30 seconds.  
Pressing and holding the UP or DN button will allow for faster scrolling of channel.  
All internal attenuators are temporarily set for maximum attenuation during channel change.  
Channel Configuration  
The Channel Configuration is changed by pressing the UP or DN button when in the Channel Configuration display mode.  
The LED display will blink indicating a transition state.  
The channel configuration is not changed until the ENTER button is pressed.  
If the ENTER button is not pressed, the display will return to resting state after 30 seconds.  
If the mode is to be changed and it is not a valid mode for the existing channel, when the ENTER button is pressed, the new  
mode will be selected, and the channel will default to channel-2.  
The available Channel Configurations are as follows:  
C = Standard (default from factory)  
I = IRC  
H = HRC  
U = Broadcast VHF/UHF  
Error Conditions  
The Display will show a flashing "EE1" if the PLL1 is not locked.  
The Display will show a flashing "EE2" if the PLL2 is not locked.  
The Display will show a flashing "EE3" if both PLL1 and PLL2 are not locked.  
All internal attenuators are automatically set for maximum attenuation in any of the above conditions.  
Please contact our Service Department should any of these errors conditions occur.  
AM Series  
9
Instruction Manual  
Adjustments  
VIDEO LEVEL: With the intended signal source connected and a representative video program present turn the Video  
Level Adjust control clockwise until the Video Overmodulation light just flashes, then back off slightly.  
Alternatively, while watching the picture on a good TV monitor, adjust the control to the highest (clockwise)  
level that does NOT cause the highlights (white portions of the picture) to become “washed out.  
AUDIO LEVEL: Turn the Audio Level Adjust control clockwise until the Audio Overmodulation light just flashes slightly on  
the loudest peaks of the audio program material.  
OUTPUT LEVEL: The Output Level is adjusted by pressing the UP or DN button when in the Output Level display mode.  
The LED display will blink indicating a transition state. The output level is not changed until the ENTER  
button is pressed. If the ENTER button is not pressed, the display will return to its resting state after 30  
seconds. Pressing and holding the UP or DN button will allow for faster scrolling. The Level increments in  
0.2 dB steps. Output level accuracy is typically +/- 1 dB of display, +/- 2 dB worst case.  
A/V CARRIER RATIO: To adjust the aural-to-visual carrier ratio, tune the RF indicator device to the aural carrier frequency  
and adjust the Aural Carrier control to obtain the desired aural carrier level. Recommended ratio is  
-15 dB.  
EAS/ALT IF:  
AUTOMATIC: Connect a jumper to the terminal strip auto position. EAS will switch on when a +38 dBmV EAS IF signal is  
detected.  
MANUAL: EAS is active with a ground connection on the manual position of the terminal strip.  
Stereo Compatibility Of The Modulator  
The AM Series modulator are shipped configured for standard TV monaural operation (rear panel audio select switch is set  
to mono audio). To defeat the audio pre-emphasis for use with an external MTS Stereo Generator or when using Option  
5 Stereo, move the audio select switch on the rear panel to the stereo position.  
AM Series  
Instruction Manual  
10  
Option 5  
Stereo Audio  
Description  
The stereo audio option integrates a BTSC stereo encoder module to the AM Series. The optional stereo encoder converts  
stereo left and right audio into a composite BTSC stereo audio signal. This Option provides 20 dB of stereo separation,  
less than 1.0% total harmonic distortion and 60 dB signal to noise ratio.  
Specifications  
Audio Input Sensitivity: 350 mV rms for 55 kHz peak dev.(w/pilot tone)  
Video Input: 0.7 to 2 Vp-p  
Frequency Response (Decoder output left or right channel):  
L+R (In Phase Inputs)  
50 Hz -10 kHz: 0.5 dB  
50 Hz -12 kHz: 0.75 dB  
L-R (Out of Phase Inputs)  
50 Hz -10 kHz: 2.5 dB  
50 Hz -12 kHz: 3.5 dB  
L or R (One Grounded)  
50 Hz -10 kHz: 1.5 dB  
50 Hz -12 kHz: 1.75 dB  
Separation 50 Hz -10 kHz: 20 dB  
Harmonic Distortion @ 1 kHz (Decode Output: Left or right channel):  
L+R: <1 %  
L-R: <1 %  
L or R: <1 %  
AM Series 11  
Instruction Manual  
Appendix A  
Frequency Allocation Tables  
VHF Broadcast Channels  
EIA  
Standard  
Video  
Incremental  
Video (IRC)  
Harmonic  
EIA  
Standard  
Video  
Incremental  
Video  
Harmonic  
Video  
Channel  
Video (MHz)  
Chan.  
Video (HRC)  
Chan.  
(IRC)  
(HRC)  
54  
2
3
55.25  
61.25  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
76  
77  
78  
79  
80  
81  
82  
83  
84  
85  
86  
87  
88  
89  
90  
91  
92  
93  
94  
100  
101  
102  
103  
104  
105  
106  
107  
108  
109  
110  
111  
112  
113  
114  
115  
116  
117  
118  
119  
120  
121  
122  
123  
124  
125  
457.2500  
463.2500  
469.2500  
475.2500  
481.2500  
487.2500  
493.2500  
499.2500  
505.2500  
511.2500  
517.2500  
523.2500  
529.2500  
535.2500  
541.2500  
547.2500  
553.2500  
559.2500  
565.2500  
571.2500  
577.2500  
583.2500  
589.2500  
595.2500  
601.2500  
607.2500  
613.2500  
619.2500  
625.2500  
631.2500  
637.2500  
643.2500  
649.2500  
655.2500  
661.2500  
667.2500  
673.2500  
679.2500  
685.2500  
691.2500  
697.2500  
703.2500  
709.2500  
715.2500  
721.2500  
727.2500  
733.2500  
739.2500  
745.2500  
751.2500  
757.2500  
763.2500  
769.2500  
775.2500  
781.2500  
787.2500  
793.2500  
799.2500  
457.2625  
463.2625  
469.2625  
475.2625  
481.2625  
487.2625  
493.2625  
499.2625  
505.2625  
511.2625  
517.2625  
523.2625  
529.2625  
535.2625  
541.2625  
547.2625  
553.2625  
559.2625  
565.2625  
571.2625  
577.2625  
583.2625  
589.2625  
595.2625  
601.2625  
607.2625  
613.2625  
619.2625  
625.2625  
631.2625  
637.2625  
643.2625  
649.2625  
655.2625  
661.2625  
667.2625  
673.2625  
679.2625  
685.2625  
691.2625  
697.2625  
703.2625  
709.2625  
715.2625  
721.2625  
727.2625  
733.2625  
739.2625  
745.2625  
751.2625  
757.2625  
763.2625  
769.2625  
775.2625  
781.2625  
787.2625  
793.2625  
799.2625  
456  
462  
468  
474  
480  
486  
492  
498  
504  
510  
516  
522  
528  
534  
540  
546  
552  
558  
564  
570  
576  
582  
588  
594  
600  
606  
612  
618  
624  
630  
636  
642  
648  
654  
660  
666  
672  
678  
684  
690  
696  
702  
708  
714  
720  
726  
732  
738  
744  
750  
756  
762  
768  
774  
780  
786  
792  
798  
02  
03  
04  
01  
05  
06  
95  
96  
97  
98  
99  
14  
15  
16  
17  
18  
19  
20  
21  
22  
07  
08  
09  
10  
11  
12  
13  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
55.2500  
61.2500  
55.2625  
61.2625  
60  
66  
4
67.25  
67.2500  
67.2625  
5
77.25  
83.25  
NA  
73.2625  
72  
6
77.2500  
79.2625  
78  
7
175.25  
181.25  
187.25  
193.25  
199.25  
205.25  
211.25  
8
83.2500  
85.2625  
84  
9
91.2500  
91.2625  
90  
10  
11  
12  
13  
97.2500  
97.2625  
96  
103.2500  
109.2750  
115.2750  
121.2625  
127.2625  
133.2625  
139.2500  
145.2500  
151.2500  
157.2500  
163.2500  
169.2500  
175.2500  
181.2500  
187.2500  
193.2500  
199.2500  
205.2500  
211.2500  
217.2500  
223.2500  
229.2625  
235.2625  
241.2625  
247.2625  
253.2625  
259.2625  
265.2625  
271.2625  
277.2625  
283.2625  
289.2625  
295.2625  
301.2625  
307.2625  
313.2625  
319.2625  
325.2625  
331.2750  
337.2625  
343.2625  
349.2625  
355.2625  
361.2625  
367.2625  
373.2625  
379.2625  
385.2625  
391.2625  
397.2625  
403.2500  
409.2500  
415.2500  
421.2500  
427.2500  
433.2500  
439.2500  
445.2500  
451.2500  
103.2625  
109.2750  
115.2750  
121.2625  
127.2625  
133.2625  
139.2625  
145.2625  
151.2625  
157.2625  
163.2625  
169.2625  
175.2625  
181.2625  
187.2625  
193.2625  
199.2625  
205.2625  
211.2625  
217.2625  
223.2625  
229.2625  
235.2625  
241.2625  
247.2625  
253.2625  
259.2625  
265.2625  
271.2625  
277.2625  
283.2625  
289.2625  
295.2625  
301.2625  
307.2625  
313.2625  
319.2625  
325.2625  
331.2750  
337.2625  
343.2625  
349.2625  
355.2625  
361.2625  
367.2625  
373.2625  
379.2625  
385.2625  
391.2625  
397.2625  
403.2625  
409.2625  
415.2625  
421.2625  
427.2625  
433.2625  
439.2625  
445.2625  
451.2625  
102  
Cannot lock to comb  
ref: refer to FCC regs  
120  
126  
132  
138  
144  
150  
156  
162  
168  
174  
180  
186  
192  
198  
204  
210  
216  
222  
228  
234  
240  
246  
252  
258  
264  
270  
276  
282  
288  
294  
300  
306  
312  
318  
324  
330  
336  
342  
348  
354  
360  
366  
372  
378  
384  
390  
396  
402  
408  
414  
420  
426  
432  
438  
444  
450  
UHF Broadcast Channels  
Channel  
Video (MHz)  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
471.25  
477.25  
483.25  
489.25  
495.25  
501.25  
507.25  
513.25  
519.25  
525.25  
531.25  
537.25  
543.25  
549.25  
555.25  
561.25  
567.25  
573.25  
579.25  
585.25  
591.25  
597.25  
603.25  
609.25  
615.25  
621.25  
627.25  
633.25  
639.25  
645.25  
651.25  
657.25  
663.25  
669.25  
675.25  
681.25  
687.25  
693.25  
699.25  
705.25  
711.25  
717.25  
723.25  
729.25  
735.25  
741.25  
747.25  
753.25  
759.25  
765.25  
771.25  
777.25  
783.25  
789.25  
795.25  
801.25  
Sub Band Channels  
Channel  
Standard Video  
T7  
T8  
7
13  
19  
25  
31  
37  
43  
49  
T9  
T10  
T11  
T12  
T13  
T14  
AM Series  
Instruction Manual  
12  
[This page is intenꢀonally blank.]  
AM Series 13  
Instruction Manual  
[This page is intenꢀonally blank.]  
AM Series  
Instruction Manual  
14  
[This page is intenꢀonally blank.]  
Extended Warranty Program  
STANDARD TERMS & CONDITIONS OF THE EXTENDED WARRANTY  
A. THE EXTENDED WARRANTY AGREEMENT (EWA)  
If during the period following the expiration of the Blonder Tongue Manufacturers’ Standard Warranty ( Copy Included) the products which constitute the subject  
matter of the extended warranty, manifest any manufacturing or similar such defects then Blonder Tongue shall at its option repair or replace the product. It is  
emphasized that the extended warranty is in effect an extension of the Blonder Tongue Warranty and covers the items stipulated in Paragraph B to the exclusion of  
the terms in Paragraph C of this agreement. Eligibility to purchase EW is limited to 90 days following initial shipment on selected products of sufficient value.  
The product/products included in this extended warranty agreement are listed in the invoice that accompanies the EWA. Term of the extension will be ______  
year(s). Purchase Order is required for extended warranty coverage.  
B. WHAT IS COVERED?  
1.  
If a product has been determined to have failed, which falls within the Terms & Conditions of this EWA, Blonder Tongue Inc. may at its sole discretion  
repair, modify or replace its component parts that are defective at 100% coverage for parts and labor.  
A loaner unit may be available on request; PO required.  
2.  
3.  
Product is manufactured by Blonder Tongue.  
4.  
Extended warranty period is up to and not to exceed 24 months and sold in increments of 12 months. Order # 9981 for 1 year and #9982 for 2 year  
extensions.  
5.  
6.  
Return of repair or replaced product shipping costs for ground shipments.  
Firmware upgrades at no charge with automatic notification.  
C. WHAT IS NOT COVERED?  
1.  
2.  
3.  
4.  
5.  
6.  
7.  
8.  
9.  
The warranty does not cover any defects caused by foreign objects /connection errors .  
Use other than by the customer at the declared address appearing in this document.  
Failure by the end user to comply with the manufacturers’ instructions for installation, maintenance or use.  
The use of accessories which have not been approved by Blonder Tongue.  
The application and/or use of any incorrect or abnormal electrical supply to the product.  
Any defect in wiring or electrical connections which does not form part of the product at the time of the original purchase.  
Neglect, misuse, or willful abuse of the product.  
Any repairs or attempted repairs of the product by any person other than Blonder Tongue Service Department.  
Any modification of the product by any person other than Blonder Tongue Service Department.  
10. Fire, flood, war, civil disturbance, industrial action, acts of God or any other causes beyond the reasonable control of Blonder Tongue.  
11. Any defect caused by lightning strike or power surges.  
12. Shipping costs to return products to Blonder Tongue for warranty service.  
13. Blonder Tongue will not in any circumstances be liable for any consequential loss or damages suffered by the customer whether directly or indirectly  
related defect in the product to the extent permissible by law.  
14. Repairs may not be effected without prior authorization from Blonder Tongue Laboratories.  
D. GENERAL  
1. The customer shall notify Blonder Tongue Laboratories in writing within ten days of any change of his or her address.  
2.  
3.  
4.  
5.  
Customer must provide original purchase receipt and serial number to initiate extended warranty coverage.  
The fee paid for the warranty is not refundable under any circumstances unless cancelled within seven days of purchase.  
The customer shall take all reasonable precautions to maintain the product is maintained in good working order.  
The warranty contract ceases to exist if the product is replaced or a credit is given to the customer. Any monies paid for the warranty contract are forfeited  
and not refundable. This is only applicable when the product is out of the manufacturer’s warranty.  
The extended warranty period as stated on the Extended Warranty Agreement shall be the governing period notwithstanding any additional supplier  
warranty on specific components.  
6.  
7.  
8.  
9.  
The warranty shall in no way effect the terms and conditions of the sale agreement in terms of which the customer bought the product.  
The extended warranty is limited to the terms and conditions herein contained  
No agreement, varying, adding to, amended, deleting, or cancelling this warranty shall be effective unless given in writing (email is acceptable) and signed  
by or on behalf of both parties.  
10. The cost of the extended warranty is 8% of the purchase price for a 1 or 2 year extension beyond the Blonder Tongue standard warranty. e.g. A product  
price of $1000 will be $80 for the 1st year (12 mos) and additional $80 for 2 year (24 mos) extension for a total of $160.  
11. Warranty product return postage paid to:  
Blonder Tongue Laboratories, Inc.  
Attn: Warranty Service Dept.  
1 Jake Brown Road  
Old Bridge, NJ 08857  
Contact Blonder Tongue at 800-523-6049 ext. 555 to order extended warranty service.  
Limited Warranty  
Seller will at its sole option, either repair or replace (with a new or factory reconditioned product, as Seller may determine) any product manufactured or sold (or in  
the case of software, licensed) by Seller which is defective in materials or workmanship or fails to meet the applicable specifications that are in effect on the date of  
shipment or such other specifications as may have been expressly agreed upon in writing: (i) for a period of three (3) years from the date of original purchase for all  
stock hardware products (other than those specifically referenced herein below having a shorter warranty period); (ii) for a period of one (1) year from the date of  
original purchase, with respect to all MegaPort, IPTV products, test equipment and fiber optics receivers, transmitters, couplers and integrated receiver/distribution  
amplifiers; (iii) for a period of one (1) year from the date of original purchase (or such shorter period of time as may be set forth in the license agreement specific to  
the particular software being licensed from Seller) with respect to all software products licensed from Seller (other than Core Product Software) that is (a) developed  
for a specific function or application, (b) complimentary to and does not function without the Core Product Software, and (c) listed with a specific model number and  
stock number in Seller’s Price List (“Non-Core Software”); (iv) for a period of ninety (90) days from the date of original purchase, with respect to non-serialized  
products and accessories, such as parts, sub-assemblies, splitters and all other products sold by Seller (other than Core Product Software and Refurbished/Closeout  
Products) not otherwise referred to in clauses (i) through (iii) above. The warranty period for computer programs in machine-readable form included in a hardware  
product, which are essential for the functionality thereof as specifically stated in the published product specifications (Core Product Software”) will be coincident  
with the warranty period of the applicable hardware product within which such Core Product Software is installed.  
Software patches, bug fixes, updates or workarounds do not extend the original warranty period of any Core Product Software or Non-Core Software.  
Notwithstanding anything herein to the contrary,  
(i) Seller’s sole obligation for software that when properly installed and used does not substantially conform to the published specifications in effect when the  
software is first shipped by Seller, is to use commercially reasonable efforts to correct any reproducible material non-conformity (as determined by Seller in its sole  
discretion) by providing the customer with: (a) telephone or e-mail access to report non-conformance so that Seller can verify reproducibility, (b) a software patch or  
bug fix, if available or a workaround to bypass the issue if available, and (c) where applicable, replacement or damaged or defective external media, such as CD-ROM  
disk, on which the software was originally delivered;  
(ii) Seller does not warrant that the use of any software will be uninterrupted, error-free, free of security vulnerabilities or that the software will meet the customer’s  
particular requirements; and the customer’s sole and exclusive remedy for breach of this warranty is, at Seller’s option, to receive (a) suitably modified software, or  
part thereof, or (b) comparable replacement software or part thereof;  
(iii) Seller retains all right, title and interest in and to and ownership of all software (including all Core Product Software and Non-Core Software) including any and all  
enhancements, modifications and updates to the same; and  
(iv) in some cases, the warranty on certain proprietary sub-assembly modules manufactured by third-party vendors and contained in Seller’s products, third party  
software installed in certain of Seller’s products, and on certain private–label products manufactured by third-parties for resale by Seller, will be of shorter duration  
or otherwise more limited than the standard Seller limited warranty. In such cases, Seller's warranty with respect to such third-party proprietary sub-assembly  
modules, third-party software and private-label products will be limited to the duration and other terms of such third-party vendor's warranty, if any. In addition,  
certain products, that are not manufactured by Seller, but are resold by Seller, may carry the original OEM warranty for such products, if any. The limited warranty  
set forth above does not apply to any product sold by Seller, which at the time of sale constituted a Refurbished/Closeout Product, the limited warranty for which is  
provided in the following paragraph.  
Seller will at its sole option, either repair or replace (with a new or factory-reconditioned product, as Seller may determine) any product sold by Seller which at the  
time of sale constituted a refurbished or closeout item (“Refurbished/Closeout Product”), which is defective in materials or workmanship or fails to meet the  
applicable specifications that are in effect on the date of shipment of that product or fails to meet such other specifications as may have been expressly agreed upon  
in writing between the parties, for a period of ninety (90) days from the date of original purchase. Notwithstanding the foregoing, in some cases the warranty on  
certain proprietary sub-assembly modules manufactured by third-party vendors and contained in Seller products, third party software installed in certain of Seller’s  
products, and on certain private–label products manufactured by third-parties for resale by Seller will be of shorter duration or otherwise more limited than Seller  
limited warranty for Refurbished/Closeout Products. In such cases, Seller's warranty for Refurbished/Closeout Products constituting such third party proprietary  
sub-assembly modules, third party software, and private-label products will be limited to the duration and other terms of such third-party vendor's warranty, if any.  
In addition, notwithstanding the foregoing, (i) certain Refurbished/Closeout Products that are not manufactured (but are resold) by Seller, may carry the original OEM  
warranty for such products, if any, which may be longer or shorter than Seller’s limited warranty for Refurbished/Closeout Products.  
Refurbished/Closeout Products are final.  
All sales of  
To obtain service under this warranty, the defective product, together with a copy of the sales receipt, serial number if applicable, or other satisfactory proof of  
purchase and a brief description of the defect, must be shipped freight prepaid to Seller at the following address: One Jake Brown Road, Old Bridge, New Jersey  
08857.  
This warranty does not cover failure of performance or damage resulting from (i) use or installation other than in strict accordance with manufacturer's written  
instructions, (ii) disassembly or repair by someone other than the manufacturer or a manufacturer-authorized repair center, (iii) misuse, misapplication or abuse, (iv)  
alteration, (v) exposure to unusual physical or electrical stress, abuse or accident or forces or exposure beyond normal use within specified operational or  
environmental parameters set forth in applicable product specifications, (vi) lack of reasonable care or (vii) wind, ice, snow, rain, lightning, or any other weather  
conditions or acts of God.  
OTHER THAN THE WARRANTIES SET FORTH ABOVE, SELLER MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND, EXPRESS OR IMPLIED, AS  
TO THE CONDITION, DESCRIPTION, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR AS TO ANY OTHER MATTER, AND SUCH WARRANTIES  
SET FORTH ABOVE SUPERSEDE ANY ORAL OR WRITTEN WARRANTIES OR REPRESENTATIONS MADE OR IMPLIED BY SELLER OR BY ANY OF SELLER’S  
EMPLOYEES OR REPRESENTATIVES, OR IN ANY OF SELLER’S BROCHURES MANUALS, CATALOGS, LITERATURE OR OTHER MATERIALS. IN ALL CASES, BUYER’S  
SOLE AND EXCLUSIVE REMEDY AND SELLER’S SOLE OBLIGATION FOR ANY BREACH OF THE WARRANTIES CONTAINED HEREIN SHALL BE LIMITED TO THE  
REPAIR OR REPLACEMENT OF THE DEFECTIVE PRODUCT F.O.B. SHIPPING POINT, AS SELLER IN ITS SOLE DISCRETION SHALL DETERMINE. SELLER SHALL IN  
NO EVENT AND UNDER NO CIRCUMSTANCES BE LIABLE OR RESPONSIBLE FOR ANY CONSEQUENTIAL, INDIRECT, INCIDENTAL, PUNITIVE, DIRECT OR SPECIAL  
DAMAGES BASED UPON BREACH OF WARRANTY, BREACH OF CONTRACT, NEGLIGENCE, STRICT TORT LIABILITY OR OTHERWISE OR ANY OTHER LEGAL  
THEORY, ARISING DIRECTLY OR INDIRECTLY FROM THE SALE, USE, INSTALLATION OR FAILURE OF ANY PRODUCT ACQUIRED BY BUYER FROM SELLER.  
All claims for shortages, defects, and non-conforming goods must be made by the customer in writing within five (5) days of receipt of merchandise, which writing  
shall state with particularity all material facts concerning the claim then known to the customer. Upon any such claim, the customer shall hold the goods complained  
of intact and duly protected, for a period of up to sixty (60) days. Upon the request of Seller, the customer shall ship such allegedly non-conforming or defective  
goods, freight prepaid to Seller for examination by Seller's inspection department and verification of the defect. Seller, at its option, will either repair, replace or issue  
a credit for products determined to be defective. Seller's liability and responsibility for defective products is specifically limited to the defective item or to credit  
towards the original billing. All such replacements by Seller shall be made free of charge f.o.b. the delivery point called for in the original order. Products for which  
replacement has been made under the provisions of this clause shall become the property of Seller. Under no circumstances are products to be returned to Seller  
without Seller's prior written authorization. Seller reserves the right to scrap any unauthorized returns on a no-credit basis. Any actions for breach of a contract of  
sale between Seller and a customer must be commenced by the customer within thirteen (13) months after the cause of action has accrued. A copy of Seller's  
standard terms and conditions of sale, including the limited warranty, is available from Seller upon request. Copies of the limited warranties covering third-party  
proprietary sub-assembly modules and private-label products manufactured by third-parties may also be available from Seller on request. (Rev 0713)  
Printed in China  

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