Ricoh D072 Service Manual page 554

System Switch 0E [SP No. 1-101-015]
No FUNCTION
0-1 Not used
2 Not used
Action when the external
handset goes off-hook
0: Manual tx and rx operation
3
1: Memory tx and rx operation
(the display remains the
same)
4-7 Not used
SM Appendix
COMMENTS
Do not change the settings.
This machine does not have the capture function.
0: Manual tx and rx are possible while the external
handset is off-hook. However, memory tx is not
possible.
1: The display stays in standby mode even when
the external handset is used, so that other people
can use the machine for memory tx operation.
Note that manual tx and rx are not possible with
this setting.
Do not change these settings.
7-15
Bit Switches
D067/D068/D069/D072