EFJohnson High Tier Two-Way Radio User Manual


 
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 27. 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 for more information.
This switch also has two alternate functions that are selected by first
pressing the FCN switch. Refer to the FCN switch description which
follows for more information.
On-Off/Volume
Select Switch
Microphone
Jack
Option Switches
Transmit/Busy
Indicator
Speaker