5.5 Monitor function
The (Monitor) button is for temporarily disabling the squelch
which reduces background noise thus enabling you to listen for
extremely weak signals. By doing this, you avoid listening to broken
communication.
To activate the monitor function, hold down the
button until you
hear background noise (or else a weak signal). Release the
button when you have nished listening.
If you wish to deactivate the squelch without holding down the
button, press the
button for at least 5 seconds, until you hear
two acoustic sounds (beeps), then release the button. The squelch
will remain disabled until you briey press the button again.
5.6 Selecting transmission power
To extend the battery duty, you can select low transmission power
when transmitting over short distances.
To do this, briey press the HI/LO button: LOW will appear on
the display (low power is approx. 0.1 W). If you wish to transmit or
receive over long distances or with weak signals, press the
HI/LO
button again:
LOW will disappear and high power will be set (approx.
0.5W).
The transceiver is factory preset to transmit on high power.
5.7 Bluetooth button
To pair a Bluetooth device and activate/deactivate the
Bluetooth
The 445 BT can be connected to Bluetooth devices like: headsets,
helmets and the Midland BT Intercom. Please refer to the additional
manual “Bluetooth functionality” for more information about the use
of the Bluetooth.
5.8 Display lighting
Briey press the button. The backlight is activated for about 10
seconds. If you wish to deactivate it, press the
button again.
Display lighting uses additional battery energy. Try to use this
feature in moderation.
5.9 Keypad lock
To activate the keypad lock, hold down the HI/LO button until the
symbol appears on the display. This function deactivates all the
buttons on the front of the transceiver. Pressing one or more buttons
when in this mode will cause an audio signal of three consecutive
beeps. To deactivate the keypad lock, follow the description above
once again.
5.10 Use of CALL button
The CALL button is used to make a call melody. Briey press the
CALL button. The radio will go into transmission mode for approx.
two seconds, emitting a call. While this is happening,
(transmission)
appear on the display, as well as the
indicator, showing your
relative transmission power.
5.11 Clock mode
This mode allows the user to see the current time on the LCD display.
To activate this, briey press the CLOCK button.
5.11.a Setting the time
1. In clock mode, briey press the
button. The hour will begin to
