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TOT timer:
Time-out timer can prevent any caller from occupying one certain
channel for an extended period of the time.
The radio is set with a continuously transmitting limit. If the radio is
continuously transmitting longer than the time preset by the dealer,
the radio will stop transmitting and warning
TOT forbidden period:
A period in which the radio is forbidden to transmit after its overtime
activity.
During the period, if the PTT key is pressed, there will be a warning
tone, and transmitting is forbidden.
TOT pre-warning:
The pre-warning will sound before the TOT action.
After the sound of the warning, the timer will take action when the
transmitting time has gone beyond the limit.
TOT reset:
The time delay from releasing the PTT key to the resetting of the timer
is limited.
The countdown will go on if the time after releasing the PTT key is
shorter than the reset time.
Battery Saving
The dealer can set the type of this function by programming.
If the battery saving function is on, 10 seconds after the radio hasn't
receive any signals or no operation is being acted, the radio enters
battery saving mode. When a signal is received or any operation
occurs, it exits battery saving mode automatically.
The types include: 1 1, 1 2, 1 4 and OFF.
The automatic battery saving function decreases the power
consumption.
Channel Annunciation
The dealer can turn on or turn off this function by programming.
While switching to another channel, you can hear the voice
annunciation of the current channel number.
CTCSS/ DCS
The dealer can set CTCSS/DCS tones on radio channels, which
enable you to ignore (not hear) calls from other irrelevant parties who
are using the same channel.
When you receive a signal that has a tone different from the one set
on your radio, you will not hear the signal. Likewise, signals that you
transmit will only be received by parties whose CTCSS/DCS tones
are the same as yours.
Note: Using a CTCSS/DCS channel doesn't mean your calls are
private. If other parties' CTCSS/DCS tones are identical with yours,
they can hear your calls.
USER RESOLUTION
Busy Channel Lockout (BCL)
Busy Channel Lockout can prevent you from interfering other radios
that using the same channel.
Press the PTT button when the channel is busy, the radio with BCL
function active will make warning sound and prohibit transmitting. To
stop the warning sound, please release the PTT button and the radio
returns to receiving mode.
The dealer may provide the following two lock mode:
Carrier wave: it will be locked if there is any Carrier wave;
Carrier wave+ CTCSS/DCS transmitting is permitted if there are
matched CTCSS/DCS in the channel.
Receiving Squelch Mode
The dealer may set the condition under which to turn on the
speakers:
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