4 RECEIVE AND TRANSMIT4-22Previous viewThe tone squelch opens only when you receive a signalcontaining a matching subaudible tone. You can silentlywait for calls from others using the same tone.Select the desired frequency band. (p. 35)qOn the Mode selection screen, touch “FM” to selectwthe FM mode.Pushe MENU (C) one or more times to select the“M-2” screen (M-2 menu).Touch [TONE](r D) one or more times to turn ON theTone squelch function.• “TSQL” appears.• Touch [TONE](D) to toggle between “TONE,” “TSQL,”“DTCS” and OFF (icon disappears).Touch [TONE](t D) for 1 second to display the “TONE”screen.• “TSQL Tone” appears.Rotate the Dial to select the desired tone squelchyfrequency. See the table shown below.• If desired, touch [DEF] for 1 second to reset to the defaultsetting.Pushu MENU (C) to exit the “TONE” screen.Communicate in the usual manner.i• The tone squelch opens only when you receive a signalcontaining a matching subaudible tone.• Subaudible tones are superimposed on your transmit sig-nal.Tone squelch operation67.0 88.5 114.8 151.4 177.3 203.5 250.369.3 91.5 118.8 156.7 179.9 206.5 254.171.9 94.8 123.0 159.8 183.5 210.774.4 97.4 127.3 162.2 186.2 218.177.0 100.0 131.8 165.5 189.9 225.779.7 103.5 136.5 167.9 192.8 229.182.5 107.2 141.3 171.3 196.6 233.685.4 110.9 146.2 173.8 199.5 241.8The L, R, C or D in theinstructions indicate thepart of the controller.L: Left sideR: Right sideC: Center bottomD: Display (Touch panel)Left RightCenterDisplay• Available tone squelch frequencies (Unit: Hz)Touch [TONE]for 1 secondTSQL iconTouch for 1 secondto reset to defaultTone frequency