EFJohnson LTR-Net 002-9803-601 - Manual (Page 11)

CONTROLS AND DISPLAY
11
CONTROLS AND DISPLAY
Front Panel Controls
On-Off Volume - Pressing this knob turns power on and off. The
vehicle ignition switch may also control power as described in
“Power Turn-Off Delay” on page 24. Rotating this knob sets the
speaker volume (see page 15).
Select Switch - This switch changes the selected system or group and
is also used for other functions such as selecting parameters in the
menu mode. To change the system or group, press this knob to switch
between the system and group select modes, and then rotate it to
increase or decrease the system or group. Refer to “Selecting the
System and Group” on page 17 and the FCN switch description which
follows for more information.
Option Switches - The five front panel option switches can be
programmed by your system operator to control the functions which
follow. Refer to the section indicated for more information. The
keycap usually indicates the function controlled by the switch.
On-Off/Volume Select Switch Microphone
Jack
Option Switches Transmit/Busy
Indicator
Speaker