enter the menu and use the Up or Down key to select the desired
level.
6.11 Keyboard Lock
Press and hold the "#" button for 3 seconds to lock or unlock
the keypad. When the keypad is locked, only the PTT button can
be used.
6.12 Menu Options
In standby mode, press the encoder or the hand-mic "*" key
to enter the menu. The menu options include:
1.1> Transmit power (low/medium/high)
1.2> Dual frequency standby
1.3> Repeater switch (15-22 channels)
1.4> Bandwidth (wideband /narrowband)
1.5> Subsonic(OFF/CTC/CDC)
1.6> Transmit subsonic(OFF/CTC/CDC)
1.7> VOX level SET
1.8> BCLO (On/Off)
1.9> Key tone (on/off)
1.10> Call tone selection (0-5)
1.11> TOT 0-300S