Icom IC-720A Instruction Manual page 6

SECTION 3 INSTALLATION
BE SURE TO READ THE FOLLOWING INSTRUCTIONS BEFORE USE.
3-1 UNPACKING 3-3 POWER SUPPLY
and examine it for signs of shipping damage. Should any If you would like to use your car battery ог any other DC
anything. - condition of the battery and electrical system.
The connection of the DC power cord supplied with the
ІС-720А is done in the following way: First make sure that
the power switch of the unit is in the OFF position and
the T/R switch is in the receive position. Connect the cord
to the DC power supply with the RED lead to the positive
terminal and the BLACK lead to the negative terminal.
(Reverse connection will cause the protection circuit to
operate and blow the fuse.) Connect the DC plug to the
socket on the rear panel of the IC-720A. Refer to the
drawing below.
For AC operation
1. Microphone (ІС-НМ?)..................... 1
2. DC Power Соға......................... oo
3. Pin Plugs (Low Band ANT Terminal Plug, Transverter
Terminal Plug) ...... ЛА а нема ca би wise но 2
4. External Speaker Рид .....................
1 For ОС operation
|
5; Key Plug оа ъала
ккк и давана жауа]
1
Ка (RED!
Be POWER
6. Spare Fuses (20 Атр).....................
2 ===
совр
3-2 RECOMMENDATIONS FOR
INSTALLATION
1. Avoid placing the ІС-720А in direct sunlight, high
temperature, dusty or humid places.
2. The sides of the unit, when facing it, function also as
heatsinks. The temperature there will usually become
relatively warm during transmission. Any equipment
should Бе at least 1 inch (3cm) away from the unit so as
to provide good ventilation. Be sure that nothing is on
and just behind the rear PA heatsink to ensure good
ventilation. Also avoid places near outlets of heaters, air
conditioners, etc.
3. Place the unit so that the controls and switches can
easily be handled and the frequency indication and
3-4 MEMORY
BACK-UP
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