Kenwood TM-641A Instruction Manual

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i}w. Select the desired value (D1 to D4) with the tuningcontrol or the UP/DWN key on the microphone.. If, after 10 seconds, no key has been pressed, thedisplayed level is set and the previous frequency isredisplayed.4-12. BEEP TONE LEVELADJUSTMENTThe beep can be set to one of eight levels (off to b7).. Press the F key for longer than a second, then pressthe REV key while the F indicator is flashing. Thedisplay will show which beep level is currently in use.. Select the desired value with the tuning control or theUP/DWN key on the microphone.. If, after 10 seconds, no key has been pressed, thedisplayed level is set and the previous frequency isredisplayed.4-13. BEEP TONE FREQUENCIESThe number 0 to 9 on the frequency display are assignedthe tones shown below. When the DTSS() key ispressed, the tone corresponding to the displayed numberis output. The tone is stopped by pressing any key orrotating the Tuning control or VOL control.0 523.248Hz 5 880.000Hz1 587.328Hz 6 987.770Hz2 659.248Hz 7 1046.496Hz3 698.464Hz 8 1174.656Hz4 783.984Hz 9 1318.496Hz(3%)With the optional DTMF unit DTU-2, the DTSS keychange to the signaling mode selection key.In this case we recommend to perform the microphonePF key to program the Tone Representation function.1. Turn the POWER switch OFF.2. Press and hold the F key and the DTSS key then turnthe POWER switch ON.3. Release the F key and the DTSS key.53