Powering up the radio, Adjusting the volume, Powering up the radio adjusting the volume – Motorola 4550 User Manual
Page 12: Getting s tarted

Getting S
tarted
English
2
Powering Up the Radio
Press the On/Off
Button briefly. You see
Motorola and
MOTOTRBO (TM) on the
radio’s display
momentarily, followed
by Motorola once
more.
The green LED blinks
and the Home screen
lights up if the backlight
setting is set to turn on
automatically.
NOTE: The Home screen does not light up during a power up if
the LED indicators are disabled (see Turning the LED
Indicators On or Off on page 61).
A brief tone sounds, indicating that the power up test is
successful.
NOTE: There is no power up tone if the radio tones/alerts
function is disabled (see Turning the Radio Tones/
Alerts On or Off on page 60).
If your radio does not power up, contact your dealer.
To turn off the radio, press and hold the On/Off Button until you
see
Powering Down
on the radio’s display.
Adjusting the Volume
To increase the volume, turn the Volume Knob clockwise.
To decrease the volume, turn this knob counterclockwise.
P 1
O K
P 2
P 3
P 4
CH+
BACK
MENU
CH -
On/Off Button
P 1
O K
P 2
P 3
P 4
CH+
BACK
MENU
CH -
Volume Knob
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