Hytera F-412, User Manual

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7.9 Room Monitor
The Room Monitor feature allows the radio to transmit voice automatically when the voice volume reaches the
preset level. When you are out, you can use this feature to monitor your room.
In the room monitor mode, the radio cannot receive signals.
To turn on or off this feature, do as follows:
1. Press the Menu/Keypad Lock key:

For TF-412, press the key for eight consecutive times.

For TF-415, press the key for seven consecutive times.
The radio displays and the current setting flashes.
2. Press the Up or Down key to select L1 , L2 , or L3 to turn on the feature, or select OFF to turn off the feature.
L1 , L2 , and L3 mean different sensitivity levels, as shown below:

L1
: low sensitivity applicable to noisy environments

L2 : medium sensitivity applicable to common environments

L3 : high sensitivity applicable to quiet environments
3. Press the PTT key to confirm your selection.
7.10 Sleep Level
The Sleep Level feature allows the radio to enter the sleep mode for a duration if no channel activity or operation
is detected at the specified interval. It saves the battery power.
To turn on or off this feature, do as follows:
1. Press the Menu/Keypad Lock key:

For TF-412, press the key for nine consecutive times.

For TF-415, press the key for eight consecutive times.
The radio displays and the current setting flashes.
2. Press the Up or Down key to select L1 , L2 , or L3 to turn on the feature, or select OFF to turn off the feature.
L1 , L2 , and L3 mean that the radio is in sleep mode for one second, two seconds, and three seconds,
respectively.