feature sections in this manual for further details on
saving user-edited radio settings or information.
4-Way Navigation Button
Use the 4-Way Navigation Button to scroll up, down,
left or right with one of the following methods.
• Press and release one of the button to scroll from
one entry to the next one.
• Press and hold one of the button to have the radio
toggles through the list automatically (release the
button to stop).
Data Feature Button
Use Data Feature button to access data-related
features, such as the Text Messaging Service (TMS)
feature screen.
Multi-Function Knob (MFK)
MFK is the on/off button of your radio. See Turning
On the Radio on page 23 for the procedure to power
up and down the radio.
In addition, there are programmable features
available for MFK. The two programmable features
are as the following.
Mode
Change
Turn MFK to scroll the channel or zone
list.
Volume
Change
Turn MFK to increase or decrease the
volume level of the speaker. Fast turn
of MFK makes coarse tuning of the
volume level; slow turn of MFK makes
fine tuning of the volume level. The
display shows the volume level and
bars to indicate the current level. The
level of last selected volume before the
radio powers down remains the same
when the radio powers up.
The radio by default is set to use the primary feature.
Short presses of MFK toggle it to work on either the
secondary or primary feature.
The main display only shows the icon of secondary
feature; the main display does not show the icon of
primary feature.
The secondary feature has an inactivity timer. This
timer starts when the secondary feature is left idle.
Your radio returns to primary feature when this timer
expires.
Identifying Radio Controls
31
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