Maintenance
Description
item No.
3JF
1-3-22
U614
Adjusting the DTMF output level
Description
Adjusts the DTMF output level of a push-button dial telephone.
Purpose
No change is necessary from the factory default.
Start
1. Press the start key. The screen for selecting an item is displayed.
2. Select the item to be set using the up/down cursor keys.
3. Press the start key.
The screen for the selected item appears.
Adjusts the DTMF (high-frequency group) output level.
Adjusts the DTMF (low-frequency group) output level.
Display
SGL LVL DTMF (H)
SGL LVL DTMF (L)
Description
Setting
1. Change the setting using the numeric keys.
2.0 dBm
1.5 dBm
1.0 dBm
0.5 dBm
0 dBm
–0.5 dBm
–1.0 dBm
–1.5 dBm
–2.0 dBm
Setting
12
11
10
9
8
7
6
5
4
DTMF (high-/low-frequency group) output level
2. Press the start key. The value is set.
3. To return to the screen for selecting an item, press the stop/clear key.
Completion
Press the stop/clear key at the screen for selecting an item. The screen for selecting a maintenance item No. is
displayed.