EFJohnson High Tier, LTR 98xx manual Controls and Display, Front Panel Controls

CONTROLS AND DISPLAY

CONTROLS AND DISPLAY

Transmit/Busy		Option Switches	Speaker
	Indicator

Microphone On-Off/Volume	Select Switch
Jack

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.

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