Icom IC-R9500 Instruction Manual - Page 65
Digital squelch operation
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4 RECEIVE MODES ■ Digital squelch operation [F-1•Y] [F-2•Z] [F-5•EDIT] [D.SQL] [DIGITAL] [EXIT/SET] [MONI] Main dial • Digital squelch set mode While in P25 mode operation, 2 types of digital squelch, NAC or Selective, are available. q Set the desired frequency and select P25 mode. w Push [D.SQL] to turn the digital squelch function ON. • " NAC " or " SEL " appears when the digital squelch function is ON. e Push and hold [D.SQL] for 1 sec. to enter P25 digi- tal squelch set mode. r Push [F-1•Y] or [F-2•Z] to select the items, "NAC," "TGID" or "Unit ID." t Push [F-5•EDIT] to enter digital code programming. • A cursor appears and blinks. • Push [F-1•Ω] or [F-2•≈] for cursor movement. • Push [F-3•DEL] to delete the selected code. • Using the receiver's keypad, [0]-[9], can also enter nu- merals. • Multifunction switch guide changes to the additional keys, [A]-[F], for hexadecimal input. y Push [F-5•SET] to input and set the code. • The cursor disappears. u Push [EXIT/SET] to return to the previous indica- tion. i When the received signal includes a matching code, squelch opens and the signal can be heard. • When the received signal's code does not match, digital squelch does not open, however, the S-indicator shows signal strength. o To open the digital squelch manually, push [MONI]. • The digital squelch opens temporarily while pushing and holding [MONI]. !0 To cancel digital squelch, push [D.SQL] several times to clear the digital squelch. • " NAC " or " SEL " disappears. 4-19