From The N3UJJ.COM Document LibraryFrom The N3UJJ.COM Document LibraryOften a Tone frequency is required to access repeaters.For example, 88.5 Hz may be needed in the U.S.A. orCanada, and 1750 Hz is used in Europe. The Tonefrequencies listed below can be selected. On theTH-22E/TH-42E, 1750 Hz also can be selected.No. Freq. No. Freq. No. Freq. No. Freq.(Hz) (Hz) {Hz} (Hz)01 67.0 11 97.4 II 21 136.5 31 192.802 71.9 12 100.0 22 ,.,3m 203.503 74.4 13 103.5 23 146.2 210.704 77.0 14 107.2 24 151.4 34 218.105 79.7 15 110.9 25 156.7 35 225.706 82.5 16 114.8 26 162.2 36 233.607 85.rn7 118.8 27 167.9 37 241.808 88.5 8 123.0 28 173.8~ 250.309 91.5 19 127.3 29 179.910 94.8 20 131.8 30 186.2The following procedure allows you to select any of theavailable tones.1 Press [F] (1 s), [T/CTJ.2 Turn the ENC/SQL control to select the desired Tonefrequency.3 Press any key other than [MONI] or [LAMP) to storethe selected value.AUTO PATCH(U.S.A. and Canada Versions)Some repeaters offer a service called Autopatch. Thisfeature allows you to dial a telephone number from yourtransceiver and carry on a telephone conversation. Thisrepeater function cannot be used for commercialtransactions, but it can save lives when usedappropriately during emergencies.Autopatch requires the use of a DTMF (Dual Tone Multi-Frequency) keypad. The keypad includes the 12 keysfound on your telephone plus an additional 4 keys (A, B,C, D). These additional keys are required for variouscontrol operations by some repeater systems.• Activating the Keypad1 Press and hold [PTT].2 Press keys in sequence to transmit tones.• To generate single-frequency tones for testpurposes, press [MONI] before pressing a singlekey from [1] to [8].31