MODE

• MANUAL - UHF frequency is selected by Manually setting the five frequency knobs.
• PRESET - UHF frequency is determined by the Preset channel knob.
• GUARD - The main receiver and transmitter are automatically tuned to the Guard frequency and the guard receiver is disabled.

Preset Channel
Permits the selection of 1 of 14 preset frequencies (channel 1-14) with the mode knob at PRESET and the A-3-2-T knob in A and the mode knob in 2 or 3. With the A-3-2-T knob in A and the mode knob at PRESET, the preset channel knob permits the selection of one of six preset WOD (Word-of-Day) frequencies (channel 15-20).

A-3-2-T

• A - Selects Anti-Jamming mode.
• 3 - Select 3__,___ frequency position.
• 2 - Select 2__,___ frequencies position.
• T - Momentary position which enables the radio to accept a new TOD (Time-of-Day) for up to 1 minute after selection.

Manual Frequency

• 1 - 9 - Select frequency position _X_,___
• 1 - 9 - Select frequency position __X,___
• 1 - 9 - Select frequency position ___,X__
• 0, 25, 50, 75 - Select frequencies position ___,_XX

UHF

• OFF - Power OFF.
• MAIN - Width COMM1 power switch on, UHF operates on selected frequency.
• BOTH - Normal operation plus receiving on guard frequency.
• ADF - Not operational.

TONE
Depressing in normal or AJ ( Anti-Jamming ) mode will interrupt reception and transmit a tone signal and TOD for HQ (Have Quick) on the selected frequency. Simultaneously pressing the TONE button in conjunction with the A-3-2-T knob in T position starts the emergency startup of the TOD clock.

VOL
Not operational

SQUELCH

• OFF - Disables Squelch circuit to permit reception of a weak signal.
• ON - Enables Squelch circuit which help to eliminate background noise in normal reception.

Channel Card