5310ADJUSTING THE P AUSE DURATIONYou can change the pause duration (a space digit)stored in Memory Channels. The default setting is500 milliseconds.1 Press [F], [MENU] and turn the Tuning control toselect Menu No. 31 (PA).2 Press [MENU] and turn the Tuning control to select100, 250, 500 (default), 750, 1000, 1500, or 2000 ms.3 Press [MENU] to store the setting or any other key tocancel.4 Press any key other than [MENU] to exit Menu Mode.DTMF LOCKYou sometimes may want to disable the keypad to avoidaccidental DTMF transmission. In this case, turn theDTMF Lock function ON.1 Press [F], [MENU] and turn the Tuning control toselect Menu No. 32 (DT.L).2 Press [MENU] and turn the Tuning control to select“ON” or “OFF” (default).3 Press [MENU] to store the setting or any other key tocancel.4 Press any key other than [MENU] to exit Menu Mode.When this function is activated, you cannot send DTMFtones using the Mic keypad. DTMF memorytransmission is also inhibited.