Super Star 3900 Manual De Instrucciones página 24

13 SWR calibration control.
14 Backlight setting control.
15 PA/FM/AM/USB/LSB selection control.
16 SSB frequency coarse setting control.
17 SSB frequency fine setting control.
18 Channel selector control and working band selection (multistandard mode).
>> Rear panel:
No. Function
19 External speaker jack.
20 PC programming port.
21 External speaker connector.
22 Antenna connector.
23 DC power connector.
>> Microphone:
English - 24 -