Crystal DBH50R - Background Operations - Frequency and Squelch Settings; Frequency Step Size Configuration; Squelch Level Adjustment

key to confirm and exit.
BACKGROUND OPERATIONS
Frequency Step Size Setup
This function is valid only when the radio is in frequency mode. Frequency
input and frequency scan are both restricted by stepping.
1. Press and hold [PF1] key till the transceiver emits “a tone”, and then release it to
enter into background operation.
2. Press
key to choose the desired setup.
Stepping: 5k/ 6.25K/ 10K / 12.5K/ 15K/ 20K/ 25K 30K/ 50K
Squelch Level Setup
This function is used to setup the receiving signal intensity. If the receiving
signal intensity reaches a certain level, you can hear the other party calling,
otherwise transceiver will remain mute.
1. Press and hold [PF1] key till the transceiver emits “a tone”, and then release it
to enter into background operation.
2. Press
key to choose No.5 function item. It shows “STEP” on LCD.
3. Press key to enter into function menu setup.
4. Press key or
key to choose No.6 function item. It shows “SQL” on LCD.
3. Press key to enter into function menu setup.
4. Press key or key to choose the desired setup.
5. Press to back to previous menu and key or