2-2. Rear Panel
20. ANT Terminal 2-3. Microfone
Antenna terminal. impedance. Connect an antenna of 50 ohms
21. DC Power Terminal
DC power input terminal. Connect the supplied power cord with plug. Input voltage is 13.8V DC.
Observe plus ( + ) and minus ( — ) polarity
22. EXT. BACK-UP
External power back-up terminal to retain the memories. For internal back-up operation, install four AA NiCd
batteries in the built-in battery case. Use this terminal to retain the memories for a long period of time (more than
1 week), or with the power cord disconnected.
23. EXT. SP Terminal
External speaker terminal. Connect an 8 ohms speaker using the supplied plug.
24. DWN Switch
This switch is used to step the operating frequency down during both keyboard and MEMORY Channel
operation. When pressing the switch, a tone will sound. When the DWN or UP switch is held. the frequency shirts
rapidly. Pressing both the UP and DWN switches simultaneously results in stopping the frequency control operation.
25. UP Switch.
This switch is used to step up the operating frequency in both keyboard and MEMORY channel operation.
When pressing the switch, a tone will sound.
26. PTT Switch
Press-to-talk switch used for transmission. This will also release scan operation.
