Icom IC-7700 Instruction Manual - Page 142
Tone scan
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9 SCANS ■ Tone scan TONE DEF F-4 T-SCAN F-6 ∫ √ F-1 F-2 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 and hold [TONE] (MF6) for 1 sec. to enter tone frequency screen. r Push [Y] F-1 or [Z] F-2 to check the repeater tone frequency or tone squelch frequency, respectively. t Push [T-SCAN] F-6 to start the tone scan. • "SCAN" blinks while scanning. y When a matching tone frequency is detected, the tone scan pauses. • The tone frequency is set temporarily on a memory channel. Program 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 [T-SCAN] F-6 . • Push and hold [DEF] F-4 for 1 sec. to select the default frequency. i Push EXIT/SET to exit tone frequency screen. 9-8