Icom IC-7800 Instruction Manual - Page 133
Tone scan
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9 SCANS I Tone scan [TONE] [F-4•DEF] [F-6•T-SCAN] [F-1•Y] [F-2•Z] [EXIT/SET] The transceiver can detect subaudible tones in a received signal. By monitoring a signal that is being transmitted on a repeater input frequency, you can determine the tone frequency required to access the repeater. q Set the desired frequency or memory channel to be checked for a tone frequency. w Push [AM/FM] several times to select FM mode. e Push [TONE] for 1 sec. to enter tone frequency screen. r Push [F-1•Y] or [F-2•Z] to check the repeater tone frequency or tone squelch frequency, respectively. t Push [F-6•T-SCAN] to start the tone scan. • "SCAN" blinks while scanning. y When the tone frequency is detected, the tone scan pauses. • The tone frequency is set temporarily on a memory channel. Program into the memory channel to store the tone frequency permanently. • The decoded tone frequency is used for the repeater tone frequency or tone squelch frequency. u To stop the scan, push [F-6•T-SCAN]. • Push [F-4•DEF] for 1 sec. to select the default frequency. i Push [EXIT/SET] to exit tone frequency screen. 9-8