Ricoh D127 Service Manual page 462

Bit Switches
7 Not used
System Switch 01 - Not used (Do not change the factory settings.)
System Switch 02 [SP No. 1-101-003]
No FUNCTION
0-1 Not used
Forced reset after transmission
stall
2
0: Off
1: On
3 Not used
Permanent undeliverable file
4
holding function
5 Not used
Memory read/write by RDS
Bit 7: 0, Bit 6: 0
Always disabled
Bit 7: 0, Bit 6: 1
6-7 User selectable
Bit 7: 1, Bit 6: 0
User selectable
Bit 7: 1, Bit 6: 1
Always enabled
D127/D128
Do not change the setting.
COMMENTS
Do not change these settings.
With this setting on, the machine resets itself
automatically if a transmission stalls and fails to
complete the job.
Do not change these settings.
0: Following "User SW 24 bit 1"
1: Permanent hold
Do not change these settings.
(0,0): All RDS systems are always locked out.
(0,1), (1,0): Normally, RDS systems are locked
out, but the user can temporarily switch RDS on to
allow RDS operations to take place. RDS will
automatically be locked out again after a certain
time, which is stored in System Switch 03. Note
that if an RDS operation takes place, RDS will not
switch off until this time limit has expired.
(1,1): At any time, an RDS system can access the
machine.
5-10 SM Appendix