CT310 Instruction Manual | 9
Getting acquainted
1. Antenna
2. Selection Knob
3. Power/Volume Switch. Rotate it clockwise to turn on the transceiver; rota-
te it anticlockwise till you hear a “click” to turn it o. When the transceiver is
turned on, rotate the knob clockwise to increase the volume, anticlockwise
to reduce the volume.
4. TX/RX indicator. RX is GREEN, TX is RED
5. LCD display. Displays current frequency/channel and operations
6. Keypad. Enters desired frequency/channel or operations by keypad
7. PTT key. Press PTT key to talk, release this key to receive.
8. PF1 key: multifunction button. The functions are selectable.
9. PF2 key: multifunction button. The functions are selectable.
10. Speaker/Microphone jack: suitable for external accessories and for pro-
gramming software