Icom IC-551D Instruction Manual page 15

33. АМТ (АМТЕММА) СОММЕСТОК
| This is used to connect the antenna То Ше set. Its impedance is 50 ohms апа connects with а
PL-259 connector.
|
34. EXTERNAL SPEAKER JACK
When an external speaker is used, connect it to this jack. Use a speaker with an impedance of
8 ohms. When the external speaker is connected, the built-in speaker does not function.
35. KEY JACK
For CW operation, connect the key here using the included key plug.
36. FUSE HOLDER
This holds the fuse for the DC power circuit. If the fuse is blown, replace it with a new fuse
(20 Amp) after checking the cause. Open the fuse holder with a Phillips head driver.
37. GROUND TERMINAL
To prevent electrical shock, ТУІ, BCI and other problems, be sure to ground the equipment
through the GROUND TERMINAL. For best results use as heavy a gauge wire or strap as
possible and make the connection as short as possible, even in mobile installations. |
CONTROLS UNDER ACCESS COVER
AFAN SWITCH
6)CW MONITOR CONTROL 43VOX DELAY CONTROL
G9 ANTI-VOX CONTROL @)CW DELAY CONTROL
@)SCAN SPEED CONTROL @)VOX GAIN CONTROL
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