EFJohnson LTR 98xx, High Tier manual Microphone Push-To-Talk PTT Switch Not Shown Push-button on

CONTROLS AND DISPLAY

Option Switches - The five front panel option switches can be programmed by your system operator for the functions which follow. Refer to the section indicated for more information on a function. The key cap usually indicates the function controlled by the switch.

A/D - Scan list add/delete (see page 35)

CG - Call Guard squelch disable (see page 46) EMER - Emergency switch (see page 24) ENCPT - Encryption on-off (see page 24)

FCN - Function select (see following description) HORN - Horn alert on-off (see page 26)

MON - Monitor mode on-off (see page 39) AUX - Option select (see page 27)

PRI - Priority sampling on-off (see page 46) SCAN - Scan on-off (see page 33)

STLH (AUX) - Stealth mode select (see page 29) TA - Talk-around on-off (see page 45)

(Blank) - Not used (disabled)

FCN (Function) Switch - This switch (if programmed) selects the following functions:

Menu Mode Select - Press FCN twice (see page 30)

Home Sys/Grp Select - FCN/press Select switch (see page 26) Conv Squelch Set - FCN/rotate Select switch (see page 18)

Transmit/Busy Indicator - Indicates the following conditions: Red - Transmitter keyed, normal power output

Orange - Transmitter keyed, power reduced because internal temperature is high

Green - Busy conventional group (channel). Refer to “Conventional Operation” on page 38 for more information.

Microphone Jack - Connection point for the microphone.

Microphone Push-To-Talk (PTT) Switch (Not Shown) - Push-button on

the microphone which is pressed to key the transmitter.

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