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19
English
RADIO OPERATION
Turning The Radio On or Off
Adjusting the Radio’s Volume
Radio Self Test
Turn the radio on by rotating the volume control
clockwise. The radio goes through a power-up self
check and, if it passes the check, the display
momentarily shows “SELF TEST.” A good-power-up,
high-pitched tone sounds to indicate that the radio has
passed the self check.
If the radio fails the self check, the display shows
“ERROR XX/XX” (where XX/XX is an alphanumeric
error code), accompanied by a bad-power-up, low-
pitched tone. Turn the radio off, check the battery, and
turn the radio back on. If the radio still does not pass
the self check, a problem exists in the radio. Contact
your nearest Motorola Service Shop.
•
The power-up self check verifies that the radio’s
microprocessor-based systems are working, but
it does not check all of the rf components, nor
does it check the operation of all customer-spe-
cific features. Motorola recommends that the
functionality of the radio be periodically checked
by an authorized Motorola service shop.
To turn the radio on, turn the
On-Off/Volume Con-
trol
knob clockwise.
To turn the radio off, turn the
On-Off/Volume Con-
trol
knob counterclockwise until you hear a click.
Turn the
On-Off/Volume Control
knob to adjust
the volume level.
Listen until you hear a transmission, then adjust
the volume control for a comfortable listening level.
ON
OFF
Or, if a button is programmed for “volume set,”
press this button and adjust the volume to a com-
fortable listening level.
UG_540_580 _EN.fm Page 19 Wednesday, August 14, 2002 10:13 AM