Group Selector And Back Key; The Ptt (Push-To-Talk) Key - Nokia TMR880 User Manual

I Group selector and back key
In network mode, turning the group selector is used
for selecting groups. The names of the current
folder and group are shown on the display.
The back key in the middle of the group selector is
used for switching between groups. Pressing the
back key switches between the groups that have
the same index number as the last two selected
groups (excluding the home group), and pressing
and holding the back key selects the home group
(see Home group on page 47).
In direct mode, the group selector is used for selecting channels. The name of the
channel is shown on the display. Each channel may have up to three groups.
Pressing and holding the back key selects the first group (A) on the channel, and
pressing the back key switches between the second and the third group (B and C)
on the channel.
If voice feedback is activated, the radio plays the index number of the group or
channel when you turn the group selector. When you use the back key, the radio
plays the index number or index name (A, B, or C) of the group or "Home" if the
home group is selected. See Voice feedback on page 45.
I The PTT (Push-To-Talk) key
Your radio can make and receive one-way and two-way calls. During a one-way
call, only one person can speak at a time and the speaker has to press and hold the
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