Ricoh M281 Series Service Manual page 948

Bit Switches - 4
0 Alarm when an error occurred
in Phase C or later
0: Disabled
1: Enabled
1 Alarm when the handset is
off-hook at the end of
communication
0: Disabled
1: Enabled
2-3 Not used
4 Manual calibration setting
0: Off
1: On
5-7 Not used
D255/D256 FAX OPTION
If the customer wants to hear an alarm after each
error communication, change this bit to "1".
If the customer wants to hear an alarm if the
handset is off-hook at the end of fax
communication, change this bit to "1".
Do not change these settings.
1: manually calibrates for communication with a
line whose current change occurs such as an
optical fiber line.
Do not change the settings.
114 SM