User's Manual

2）Increasing prompt tone
3）Channel unoccupied indication
l If this feature is enabled, you will hear a prompt tone after a voice call ends. You will also
hear a prompt tone when the voice call in the current channel is interrupted (for example,
an incoming impolite call from the two-way radio from the third party or sending an
emergency alarm). However, a voice call ends when the calling party releases the PTT
key irrespective of suspension time. This feature will prompt the receiver with when to
answer it before a voice call from the other party ends to ensure a smooth talk.
4）Call allowed indication
l The two-way radio sounds this prompt tone after the PTT key is pressed. After this, the
two-way radio can transmit it in the channel to prompt a user to start communication. In
private call mode, allowance prompt sounds only when the target private call two-way
radio is powered on and connection can be effectively established.
5）Volume offset
l Set the volume offset value of a prompt tone. Setting of this feature will result in the
volume of the prompt tone higher or lower than or equal to audio volume controlled by
the volume knob.
l RX battery low prompt interval (s)
l When the two-way radio receives a call or is unoccupied, if it reaches the battery low
threshold, you will hear a battery low prompt tone. RX battery low prompt tone sounds an
alarm in a set interval to prompt a user to charge it. Allowable range is from 0 to 635 s.
n Signaling System
The signaling system can be ignored.
n Key Definitions
1) Duration of long press (ms)
l Set the duration of pressing and holding a key when the key is seen as a long-press key,
ranging from 250 to 3750 ms. The key sounds a prompt tone after pressing takes effective
and it also sounds a prompt tone after timeout.
u Key Functions