KX-TCD755RUS - Panasonic Telephone Service Manual (repair manual). Page 80

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17.4.  Receive and Transmit-gain
The following table shows the legal values for GR-index, SpPhGR-index,
HeadsetGR-index, GR-index, SpPhGR-index and HeadsetGR-index.
Possible gain parameters
Eepromvalue
Gain [dB]
00
-23.95
01
-23.03
02
-22.08
03
-21.12
04
-20.03
05
-19.22
06
-17.93
07
-17.01
08
-16.06
09
-15.10
0A
-13.84
0B
-12.88
0C
-11.91
0D
-11.02
0E
-10.05
0F
-8.98
10
-8.06
11
-7.08
12
-6.13
13
-5.03
14
-4.08
15
-3.11
16
-2.00
17
-1.03
18
-0.08
19
0.89
1A
2.05
1B
3.01
1C
3.97
1D
4.94
1E
5.92
1F
7.07
20
8.01
21
8.95
22
10.07
23
11.04
24
12.04
N.B. if the gain-index is set to other values than the ones listed above, the volume will not be working according to specification.
The gain-indexes can be set using the batchfiles ’WRT_SLR.bat’ and ’WRT_RLR.bat’, that sets respectively GX- and GR-index.
The gain-indexes can be read from the eeprom using ’READ_SLR.bat’ and ’READ_RLR.bat’, that reads respectively GX- and
GR-index.
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