Ricoh Type M12 Field Service Manual page 172

4. Service Tables
Address
Bits 0 and 1 - Handset off-hook detection time
Bit 1:0, Bit 0: 0 = 200 ms
Bit 1:0, Bit 0: 1 = 800 ms
Other Not used
Bits 2 and 3 - Handset on-hook detection time
680582
Bit 3: 0, Bit 2: 0 = 200 ms
Bit 3: 0, Bit 2: 1 = 800 ms
Other Not used
Bits 4 to 7 - Not used
680583
To Not used
6805A0
Acceptable CED detection frequency
6805A1
upper limit (high byte)
Acceptable CED detection frequency
6805A2
upper limit (low byte)
Acceptable CED detection frequency
6805A3
lower limit (high byte)
Acceptable CED detection frequency
6805A4
lower limit (low byte)
6805A5 CED detection time
Acceptable CNG detection frequency
6805A6
upper limit (high byte)
Acceptable CNG detection frequency
6805A7
upper limit (low byte)
Acceptable CNG detection frequency
6805A8
lower limit (high byte)
Acceptable CNG detection frequency
6805A9
lower limit (low byte)
6805AA Not used
170
Function Unit
-
- Do not change the settings.
If both addresses contain
BCD (Hz) FF(H), tone detection is
disabled.
If both addresses contain
BCD (Hz) FF(H), tone detection is
disabled.
20 ms ± 20
Factory setting: 200 ms
ms
If both addresses contain
BCD (Hz) FF(H), tone detection is
disabled.
If both addresses contain
BCD (Hz) FF(H), tone detection is
disabled.
- Do not change the setting.
Remarks