Special Settings (#4A Special) - Canon GP160DF Service Handbook

4.

Special settings (#4A SPECIAL)

#4A SPECIAL-SW01: Data encoding methods/Canon original abbreviated protocol
settings
SW Bit
No. No.
0 MR, MMR encoding methods
1 MMR encoding method
2 Hyper control
3 Setting prohibited
01
4 Setting prohibited
5 Setting prohibited
6 Setting prohibited
7 Setting prohibited
[Bit 0]
Sets the data encoding method for communication. When "prohibit" is selected, encod-
ing is limited to MH encoding.
[Bit 1]
Sets the data encoding method for communication. When "prohibit" is selected, encod-
ing is limited to MH or MR encoding. When faulty images result from MMR encoding,
select "prohibit." This bit is effective when Bit 0 is set to "do not prohibit."
:
MEMO
The encoding methods are as shown below, depending on the combination of Bit 0
and Bit 1 settings.
[Bit 2]
Selects whether or not to perform hyper control at time of communications.
Function
Bit1 Bit0
0 0
0 1
1 0
1 1
Table 4-20
Selected encoding method
MMR, MR or MH
MR or MH
MH
MH
Table 4-21
CHAPTER 4 SERVICE MODE
Bit setting
1
Prohibit Do not prohibit
Prohibit Do not prohibit
No Yes
0
4-47