Icom PS-250 Instructions
INSTRUCTIONS
DC-DC POWER SUPPLY
PS-250
Thank you for purchasing the PS-250
DC-DC POWER
SUPPLY
.
Please read these instructions and transceiver’s
instruction manual carefully before installation and
operation.
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DC power cable ..........................................................1
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Terminals ....................................................................4
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Self-tapping screws (M5
×
20 mm) ...............................4
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Spring washers ...........................................................4
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Flat washers ................................................................4
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NEVER apply AC voltage to the DC input terminals
on the rear panel. This could cause a fire or damage the
power supply.
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NEVER apply more than 32 V DC to the DC input ter-
minal on the rear panel. This could cause a fire or dam-
age the power supply.
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NEVER connect the power supply to a DC power
source using reverse polarity. This will damage the power
supply.
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NEVER let metal, wire or other objects touch any in-
ternal part or terminals on the rear panel of the power
supply. This may result in an electric shock.
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NEVER open the bottom cover. There are no user
adjustment points. Opening the case may expose you to
electric shock and incorrect reassembly may cause a fire
hazard.
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NEVER expose the power supply to rain, snow or any
liquids.
•
DO NOT use or place the power supply in areas with
temperatures below –15°C or above +55°C.
• DO NOT use chemical agents such as benzine or alco-
hol when cleaning, as they can damage the power sup-
ply’s surfaces.
•
DO NOT place the power supply against walls or put
anything to behind the power supply. This will obstruct
heat dissipation.
• BE CAREFUL! The surface will become hot when oper-
ating the power supply continuously for long periods.
•
KEEP the power supply out of the reach of children.
IMPORTANT!
The connected transceiver may receive switching noise
from this power supply depending on the antenna used
and/or installing conditions, etc.
SUPPLIED ACCESSORIES
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PRECAUTIONS
PANEL DESCRIPTIONS
• Front Panel
OFF
ON
PS-250
DC DC POWER SUPPLY
-
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POWER INDICATOR
Lights green during the power supply is turned ON.
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POWER SWITCH
Toggles to turn the power supply ON or OFF.
• Rear Panel
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DC POWER INPUT TERMINALS
Connect the 12 V/24 V storage battery or 10.8 V to
31.2 V DC power supply through the supplied DC
power cable.
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DC POWER OUTPUT TERMINALS
Connect to the IC-GM651 through the DC power cable
supplied with IC-GM651.
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GROUND TERMINAL
Connects this terminal to ground to prevent electrical
shocks.