Volume Control 0 (off), 1, 2 or 3 Set the fax to ring (in FaxTel, FaxOnly) ON or OFF Set the volume of the line (Hook) monitor (sound during dialing). 0 (off), 1, 2 or 3 Set the volume of the error alarm sound. 0 (off), 1, 2 or 3 Set the volume of the error keypad.
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