
3MZ
1-3-16
U608
(cont.)
Setting the frequency of the CED signal
Sets the frequency of the CED signal. Used as one of the measures to improve transmission performance for
international communications.
1. Enter 1 or 2 using the numeric keys to change the frequency.
2. Press the start key. The value is set.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
U609
Setting communication time
Description
Sets the time-out time for fax transmission.
Purpose
Used mainly to improve transmission performance for international communications.
Start
1. Press the start key.
2. Select the item to be set using the cursor up/down keys.
3. Press the start key.
The screen for the selected item appears.
Setting the T0 time-out time
Sets the time before detecting a CED or DIS signal after a dialing signal is sent.
Depending on the quality of the exchange, or when the auto select function is selected at the destination unit,
a line can be disconnected. Change the setting to prevent this problem.
1. Change the setting using the numeric keys.
2. Press the start key. The value is set.
Setting the T1 time-out time
Sets the time before receiving the correct signal after call reception. No change is necessary for this mainte-
nance item.
1. Change the setting using the numeric keys.
2. Press the start key. The value is set.
Maintenance
item No.
Description
Display
Description
1: 2100
2100 Hz
2: 1100
1100 Hz
Display
Description
T0 TIME OUT
Sets the T0 time-out time.
T1 TIME OUT
Sets the T1 time-out time.
T2 TIME OUT
Sets the T2 time-out time.
Ta TIME OUT
Sets the Ta time-out time.
Tb1 TIME OUT
Sets the Tb1 time-out time.
Tb2 TIME OUT
Sets the Tb2 time-out time.
Tc TIME OUT
Sets the Tc time-out time.
Td TIME OUT
Sets the Td time-out time.
Description
Setting range
T0 time-out time
30 to 90 s
Description
Setting range
T1 time-out time
30 to 90 s
Содержание DF-420
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