Canon imageRUNNER 2520 Series, Service Manual, Page: 248 / 402

#MENU
■ Menu Switch Composition
No. Function Range of settings
005 NL equalizer 0: OFF
1: ON
006 Telephone line monitor 0: DIAL
1: SERVICEMAN [1]
2: SERVICEMAN [2]
3: OFF
007 Transmission level (ATT) From 0 to 15 (ex: 15= -15 dBm)
008 V.34 modulation speed upper limit 0: 3429
1: 3200
2: 3000
3: 2800
4: 2743
5: 2400
009 V34 data speed upper limit 0: 33.6kbs
1: 31.2kbs
2: 28.8kbs
3: 26.4kbs
4: 24.0kbs
5: 21.6kbs
6: 19.2kbs
7: 16.8kbs
8: 14.4kbs
9: 12.0kbs
10: 9.6kbs
11: 7.2kbs
12: 4.8kbs
13: 2.4kbs
010 Frequency of pseudoring signal 0: 50Hz
1: 25Hz
2: 17Hz
■ Deatails
● 005: NL equalizer
Use it to enable-disable the NL equalizer.
If errors occur often during communication because of the condition of the line, enable (ON) the NL equalizer.
NOTE:
Any of the following error codes may be indicated at time of transmission because of the line condition:
##100, ##101, ##102, ##104, ##201, ##281, ##282, ##283, ##750, ##755, ##765, ##774, ##779, ##784, ##789
Any of the following error codes may be indicated at time of transmission because of the line condition:
##103, ##107, ##114, ##201, ##790, ##793
● 006: Telephone line monitor
Use it to s the telephone line monitor function:
DIAL: generate the monitor sound of the telephone line using the speaker from the start of transmission to DIS.
SERVICEMAN [1]: generate the monitor sound of the telephone line using the speaker from the start of communication to the
end of it.
SERVICEMAN [2]: generate the monitor sound of the telephone line2 (Option).
OFF: do not generate the monitor sound of the telephone line using the speaker
● 007: ATT transmission level
Use it to set the transmission level (ATT).
Raise the transmission level if errors occur frequently at time of communication because of
the condition of the line. (It means close to 8)
8. Service Mode
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