Talk Around; Transmit Time-Out Timer(Tot); Busy Lock - Baofeng DM-1801 User Manual

Digital mobile radio, handheld digital terminal
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Talk around

In case of the repeater failure or beyond the coverage of the repeater
station, but both terminals are in the other's communication range, at this
time, you can press the [Off] shortcut button to switch to the direct mode,
further to achieve directly communication between two terminals.
Press the pre-programmed [Repeater / Off] shortcut button to open the
offline function; press this button again to turn off this function.
The menu function operated as below:
1.Press the [MENU] button to enter into the MENU mode.
2.Press the [
]/ [
] button to setting, then press the [MENU] button
to select.
3.Press the [
]/ [
] button to radio setting, then press the [MENU]
button to select.
4.Press the [
]/ [
] button to off line, then press the [MENU] button
to select.
5. If the radio is in the repeater station mode, the screen indicates "turn
off" , or if the radio is under off-line mode, the screen indicates "turn off" .
6. Press the [MENU] button to select.
7. The screen indicates the off-line is turn on, the iconflash, or the screen
indicates off-line is turn off.
8. The screen back to the upper menu automatically.
Even when the radio is turn off, the radio is kept off-line situation.

Busy lock

This function can be enabled by writing-frequency software to prevent
interference with other users that are transmitting on the same channel.
If you press and hold the [PTT] button while other users occupy the
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channel, the product will beep and display "Transmission failed,
sub-audio disabled" or "Transmission failed, color code disabled" ,
prompting that transmission is disabled at this time. When the channel is
idle, you need to press and hold the [PTT] button to transmit
The menu function operated as below:
1. Press [MENU] to enter menu mode.
2. Press [
]/ [
] to set, then press [MENU] to select.
3. Press [
]/ [
] to the radio set, then press [MENU] to select.
4. Press [
]/ [
] to "Busy lock" , then press [MENU] to select.
5.The screen shows indicate Off or Carry or QT/CC, press [
the corresponding option, then press [MENU] to confirm and return to the
previous menu.

Transmit time-out timer(TOT)

The setting of the time-out timer function prevents the user from
occupying the channel for a long time. If the continuous transmitting time
exceeds the time set by the distributor, the radio will stop transmit and
make the warning sound. If want to stop the warning sound, please loose
[PTT] . If you need to transmit again, please press the [PTT] button again
after a period of time (specifically set by the dealer)
The menu functions as follows:
1.Press [MENU] to enter menu mode.
2.Press [
]/ [
] to set, then press [MENU] to select.
3.Press [
]/ [
] to the radio configuration, then press [MENU] to
select.
4.Use the keyboard to type the correct radio configuration password
(software Settings), then press [MENU] to select.
]/ [
] to
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