38 Basic operation
The radio remains locked until the correct
sequence of keys is pressed. If you forget the
unlock sequence or you do not know it, contact
your radio provider for assistance.
Unlocking the radio
■
To unlock your radio, use the unlock sequence
you have been given. (This is a pre-programmed
sequence of four keys.)
Adjusting the speaker volume
Standard control head
Rotate the volume control clockwise to increase the
speaker volume and counterclockwise to decrease
the volume. The raised dot indicates the current
volume setting.
Hand-held control head
Press
to increase the speaker volume, and
to
decrease the volume.
The volume control also changes the volume
level of the radio’s audible indicators.
Activating the external speaker
An external speaker is used to increase the volume of
the audio from the radio’s standard speaker.
To check the current state of the external speaker:
■
Short press the function key programmed for
external speaker.
The message
PA Speaker is active
(or
PA Speaker is not active
) briefly appears in the
display.
To turn on the external speaker:
■
Long press the function key programmed for
external speaker.
Summary of Contents for TM9100 Series P25
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