Tait TP9400, Руководство пользователя

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Getting started 31
About the radio controls
The radio controls are the PTT key, power/volume
control, channel selector, 3-way selector control
(optional), scroll keys, selection keys, and function keys.
Some keys have functions assigned to both short and
long key presses:
■
a short key press is less than one second, and
■
a long key press is more than one second.
The radio controls and their functions are described in
the following sections.
display
PTT key
(press-to-talk)
scroll keys
alphanumeric
keys
speaker /
microphone
power / volume
control
channel selector
status LED
right selection key
left selection key
function key 1
3-way selector
control (optional)
function key 2
function key 3
function key 4