Canon MultiPASS C755, Service Manual, Page: 90 / 143

3-39
MultiPASS C755 Chapter 3: Maintenance & Service
5. COMMUNICATION SYSTEM OPERATIONS
5.1 FAX/TEL Switching
This fax is set to automatically switch between fax and telephone, on the same telephone line. If the other
party is a fax, the fax is received automatically, and if the other party is a telephone, the alarm in the main
unit is rung to alert the user.
5.1.1 Settings
(1) Press the Receive Mode button to select the Fax/Tel mode.
(2) Set the “FAX/TEL AUTO SW” in RX SETTINGS menu .
5.1.2 Parameters
Default Setting Selection
Item setting switch range
RING START TIME 8 sec. User data 0 to 30 sec.
(Pseudo Ring start time)
F/T RING TIME
15 sec. User data 10 to 45 sec.
(Pseudo Ring time)
DEFAULT ACTION RECEIVE User data RECEIVE/
(Operation after FAX/TEL switching) DISCONNECT
Pseudo RBT frequency 400 Hz None None (fixed)
Pseudo RBT transmission from CML 4 sec. Service data #3 16 0 to 9 sec.
on time until start (CNG detection time)
Pseudo RBT pattern on time
1000 ms Service data #3 17 0 to 9990 ms
Pseudo RBT pattern off time (short) 0 ms Service data #3 18 0 to 9990 ms
Pseudo RBT pattern off time (long) 2000 ms Service data #3 19 0 to 9990 ms
Pseudo RBT transmission level -23 dBm Service data #3 24 -23 to -8 dBm
Pseudo ring frequency 25Hz Service data #2 10 17Hz/25Hz/50Hz
Pseudo ring pattern on time 1000 ms Service data #3 20 0 to 9990 ms
Pseudo ring pattern off time (short) 0 ms Service data #3 21 0 to 9990 ms
Pseudo ring pattern off time (long) 2000 ms Service data #3 22 0 to 9990 ms
CNG detection level -47 dBm Service data #3 23 -50 to -29 dBm