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BOARD SET-UP LBI-39101
9
Table 3 – Digital Pots
AUDIO
SYSTEM BD.
POT NO.
ENHANCED AUDIO ENCLOSURE AUDIO CIRCUIT LOCATED IN /
ADJUSTS *
TYPICAL
SETTING
**
12 Line 2 Input
Adjusts level of line 2 input audio from CIM line 2 output. Affects audio level to
unselect audio output devices such as unselect speaker 1 and unselect recorder.
75
17 Line 3 Input
Adjusts level of line 3 input audio from CIM line 3 output. Affects audio level to
unselect audio output devices such as unselect speaker 2 and unselect recorder.
75
18 Line 4 Input
Adjusts level of line 4 input audio from CIM line 4 output (from radio). Affects audio
levels applied to unselect audio output devices such as unselect recorder and, if a third
unselect speaker is employed, unselect speaker 3. If a Call Director is employed,
adjustment affects audio to Call Director telephone line and unselect recorder. Primary
line 4 adjustment. Also see pots 2 and 20.
75
20 Auxiliary Input
Adjusts level of line 4 input audio from CIM line 4 output (from radio). Affects audio
levels applied to select recorder, and all speakers during Call Director patch operations.
Secondary line 4 adjustment used only if console is equipped with a Call Director. Also
see pot 18.
114
27 N/A (pot not used) 0
15 Line 1 Output
Adjusts level of line 1 output audio to CIM line 1 input.
23
16 Line 2 Output (adjustments never required) 23
13 Line 3 Output (adjustment never required) 23
14 Line 4 Output
Adjusts level of line 4 output audio to CIM line 4 input. Affects audio level to patched
radio during Call Director patch operations. Also see pot 1.
23
21 Select Recorder Output
Adjusts level of audio applied to the select recorder.
175
19 Select Audio Output
Adjusts level of audio at an internal Enhanced Audio Enclosure reference point on
Audio System Board. Affects select speaker, select recorder, operator headset earphone
and supervisors headset earphone audio levels.
190
29 Select Speaker Output
Adjusts level of audio applied to the select speaker. This pot is not used as a volume
control.
128
30 Unselect Speaker 1 Output
Adjusts level of audio applied to the first unselect speaker (unselect speaker 1). This pot
is not used as a volume control.
128
(Continued)