INSTRUCTION MANUAL
ANTENNA DISTRIBUTOR
WD-4800
Please follow the instructions in this manual to obtain the optimum results from this unit.
We also recommend that you keep this manual handy for future reference.
1. SAFETY PRECAUTIONS
• Be sure to read the instructions in this section carefully before use.
• Make sure to observe the instructions in this manual as the conventions of safety symbols and messages regarded as
very important precautions are included.
• We also recommend you keep this instruction manual handy for future reference.
Indicates a potentially hazardous situation which, if mishandled, could result
in death or serious personal injury.
WARNING
• Do not expose the unit to rain or an environment where it may be splashed by water or other liquids, as doing so may
result in fire or electric shock.
• Use the unit only with the voltage specified on the unit. Using a voltage higher than that which is specified may result in
fire or electric shock.
• Do not cut, kink, otherwise damage nor modify the power supply cord. In addition, avoid using the power cord in close
proximity to heaters, and never place heavy objects -- including the unit itself -- on the power cord, as doing so may
result in fire or electric shock.
• Avoid installing or mounting the unit in unstable locations, such as on a rickety table or a slanted surface. Doing so may
result in the unit falling down and causing personal injury and/or property damage.
• To prevent lightning strikes, install the unit at least five meters away from a lightning rod, and yet within the protective
range (angle of 45°) of the lightning conductor. Lightning strikes may cause a fire, electric shock or personal injury.
• Since the unit is designed for in-door use, do not install it outdoors. If installed outdoors, the aging of parts causes the
unit to fall off, resulting in personal injury. Also, when it gets wet with rain, there is a danger of electric shock.
• Should the following irregularity be found during use, immediately switch off the power, disconnect the power supply plug
from the AC outlet and contact your nearest TOA dealer. Make no further attempt to operate the unit in this condition as
this may cause fire or electric shock.
· If you detect smoke or a strange smell coming from the unit.
· If water or any metallic object gets into the unit
· If the unit falls, or the unit case breaks
· If the power supply cord is damaged (exposure of the core, disconnection, etc.)
•
To prevent a fire or electric shock, never open nor remove the unit case to modify the unit. Refer all servicing to your
nearest TOA dealer.
• Do not place cups, bowls, or other containers of liquid or metallic objects on top of the unit. If they accidentally spill into
the unit, this may cause a fire or electric shock.
• Do not touch a plug or antenna during thunder and lightning, as this may result in electric shock.
Indicates a potentially hazardous situation which, if mishandled, could result
in moderate or minor personal injury, and/or property damage.
CAUTION
• Never plug in nor remove the power supply plug with wet hands, as doing so may cause electric shock.
• When unplugging the power supply cord, be sure to grasp the power supply plug; never pull on the cord itself. Operating
the unit with a damaged power supply cord may cause a fire or electric shock.
• When moving the unit, be sure to remove its power supply cord from the wall outlet. Moving the unit with the power cord
connected to the outlet may cause damage to the power cord, resulting in fire or electric shock. When removing the
power cord, be sure to hold its plug to pull.
• Avoid installing the unit in humid or dusty locations, in locations exposed to the direct sunlight, near the heaters, or in
locations generating sooty smoke or steam as doing otherwise may result in fire or electric shock.
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5. CONNECTION
• Up to four WT-4800 tuners can be connected to the WD-4800 using one or two receiving antennas.
• The length of the antenna cables between the WD-4800 and the WT-4800 must not exceed 1 m.
YW-4500
YW-4500
YW-4500
YW-4500
Connect to the front antenna inputs
WD-4800
120V/230V
50/60Hz 25W
TUNER POWER SUPPLY
13V 250 mA
ANT INPUT B
ANT OUTPUT B (75 Ω)
ANT OUTPUT A (75 Ω)
ANT INPUT A
(75 Ω)
(75 Ω)
VOLTAGE SELECT
120V
230V
ANTENNA DISTRIBUTOR WD-4800
ENGINEERED IN JAPAN
ASSEMBLED IN TAIWAN
ANT B
DC IN
REMOTE
OUTPUT (600Ω)
MIX IN (10kΩ)
ANT A
(BALANCED)
WT-4800
(UNBALANCED)
(UNBALANCED)
–20dBV
LEVEL
IN
OUT
OUT
IN
HOT
COLD
LINE
–20dBV
MIC
–50dBV
12–18V 250DmA
ANT B
DC IN
REMOTE
OUTPUT (600Ω)
MIX IN (10kΩ)
ANT A
(BALANCED)
WT-4800
WT-4800
WT-4800
(UNBALANCED)
(UNBALANCED)
–20dBV
LEVEL
IN
OUT
OUT
IN
HOT
COLD
LINE
–20dBV
MIC
–50dBV
12–18V 250DmA
ANT B
DC IN
REMOTE
OUTPUT (600Ω)
MIX IN (10kΩ)
ANT A
(BALANCED)
(UNBALANCED)
(UNBALANCED)
–20dBV
LEVEL
IN
OUT
OUT
IN
HOT
COLD
LINE
–20dBV
MIC
–50dBV
12–18V 250DmA
ANT B
DC IN
REMOTE
OUTPUT (600Ω)
MIX IN (10kΩ)
ANT A
(BALANCED)
(UNBALANCED)
(UNBALANCED)
–20dBV
LEVEL
IN
OUT
OUT
IN
HOT
COLD
LINE
–20dBV
MIC
–50dBV
12–18V 250DmA
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6. OPERATION
Step 1. Turn on the power of both the WD-4800 and connected tuners (the power lamp lights).
Step 2. Set the wireless microphone switch to the ON position.
7. RACK MOUNTING
Use an optional MB-15B bracket when mounting the unit in an equipment rack.
Step 1. Remove rubber feet on the unit's bottom surface.
Step 2. Using the screws supplied with the MB-15B, mount the MB-15B to the unit's sides.
Mounting bracket MB-15B (optional)
3 x 14 screw (supplied with MB-15B)
Step 3. Using other screws also supplied with the MB-15B, mount the unit in the rack.
Rack
M5 fiber washer (supplied with MB-15B)
M5 x 12 screw (supplied with MB-15B)
8. SPECIFICATIONS
Power Source
AC mains (120 V/230 V selectable)
Power Consumption
Frequency Range
Distribution Channel
Antenna Input
25 W
VHF/UHF
2 channels
2 inputs (front x 1, rear x 1), 75 Ω, BNC (phantom powering of 9 V DC/25 mA for antenna)
Antenna Output
DC Power Supply
Indicator
4 outputs, 75 Ω, BNC
4 outputs (Each output: 13 V DC/250 mA)
Power lamp
Operating Temperature
Finish
–10 to +50°C
Front panel: Al coating, black
Case:
Pre-coated steel plate, black
Dimensions
Weight
420 (w) x 44 (h) x 305.5 (d) mm
3.55 kg
Note: The design and specifications are subject to change without notice for improvement.
• Accessories
DC cable ............................................................ 4
• Optional Product
Rack mounting bracket MB-15B
Printed in Taiwan
133-07-186-5B
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