Retevis RB19P User Manual page 6

2.Short press
keys to adjust the channels.
3.Press the PTT button to exit.
VOX
This function can be voice activated so the user doesn't have
to press the PTT key.
When "VOX level" in the software is selected,short press
twice to enter into the VOX mode,then short press
key to turn on/off the VOX.
Time Out Timer(TOT)
The purpose of the TOT is to prevent any single person from using
a channel for an extended period of time.An alarm will sound if the
transmission continues beyond the set time.Thetransceiver will
stop transmission if this occurs.To stop the alarm,release the PTT
key and the transceiver will return to standby.
Busy Channel Lockout
The function can prevent interference from other transceivers
using the same channel.
High-Low Power
The transceiver has a high-low power selection,it can be
programmed.
Battery Power Saving
If there is no signal or operation,the radio will reduce its power
consumption.The battery power-saving function activates when
the channel is unoccupied or has not been in operation.
Low Battery Warning
If the battery power falls to the predetermined value during
transmission,the transceiver will give out a voice prompt,please
charge in time.
Companding
It is a function setting which prevents the inter-channel interference.
key to switch to channel mode,then short press
5
key
key or