TM8100/TM8200 Service Manual Description 35
© Tait Electronics Limited June 2006
2.2 User Interfaces
Figure 2.9 shows the controls and indicators of the user interfaces. For more
information refer to the following user’s guides:
â– TM8100 (1-digit and 2-digit-display control head)
â– TM8250/TM8255 (graphical-display control head)
â– TM8235 (3-digit-display control head).
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.
Figure 2.9 User interfaces
scroll keys
on/off key
volume
control
microphone
socket
press-to-talk
(PTT) key
red
display
speaker
green
amber
microphone
radio status LEDs
function keys
1 to 4
left
selection key
right
selection key
1- and 2-digit-display
control head:
function keys 1to 4
microphone
socket
on/off key
volume
control
display
red
speaker
green
amber
radio status LEDs
scroll keys
function key 1
clear key shift key
function key 2
3-digit-display
control head: