FUNCTION OPERATION
MONITOR
Turn on the radio, press the "MONI" button for a long time to compulsively
open the receiver and listen to whether there is any voice on the current
channel.
SQUELCH LEVEL
The frequency of squelch is 0 (on) -9 (deep), steps: 1, Level 0 is normally open
SQL.
AUTOMATIC BATTERY SAVING FUNCTION
This function starts when the machine does not receive a signal or does not
perform an operation for more than 10 seconds. The machine automatically
stops this function when it receives a signal or performs an operation.
ENGLISH VOICE PROMPTS
LOW BATTERY VOLTAGE WARNING
When the battery voltage is 3.3v, the radio voice prompts: "charge battery".
When the battery voltage is 3.1v, the radio is forbidden to transmit.