5-33
[10] Gain Control
Function
You can adjust call quality (gain control) depending on the connection type, i.e.
analog telephone, analog trunk or digital trunk line. Each gain is set in units of dB.
Procedure
1. In the <PSTN Configuration Menu> screen, type ‘10’, and press [Enter].
<<<<< Gain Control >>>>>
+----+-----------------------+----------+---------+
|
No | Connection Type
| Gain
| Default
|
|
| ( 0:0dB 1:1.9dB 2:-6dB 3:-2.5dB )
|
+----+-----------------------+----------+---------+
|
0
| SLI -> SLI
| 0
| 0
|
|
1
| SLI -> ATRK
| 0
| 0
|
|
2
| SLI -> DTRK
| 0
| 0
|
|
3
| ATRK -> SLI
| 0
| 0
|
|
4
| ATRK -> ATRK
| 0
| 0
|
|
5
| ATRK -> DTRK
| 0
| 0
|
|
6
| DTRK -> SLI
| 1
| 1
|
|
7
| DTRK -> ATRK
| 0
| 0
|
|
8
| DTRK -> DTRK
| 0
| 0
|
+----+-----------------------+----------+---------+
[ . :Exit ]
2. Input the number of the gain control to be changed, and press [Enter].
Configuration Item Number: