Edwards Signaling 5541M-Y6 - Manual (Page 15)

P/N 3100471 ISSUE 3 PAGE 15
Figure 13. Potentiometer Locations
2.11 - Adjusting Audio Levels
Volume levels can be adjusted for main output, paging, playback,
local monitor speaker, and for telephone access module (TAM) au-
dio. Refer to Figure 13 to see locations for potentiometers.
NOTE: Volume increases by turning the potentiometer clockwise.
Page Adjust - Adjusts local microphone level
Playback Adjust - Adjusts voice message level
Local Adjust - Adjusts level of local monitor speaker
TAM Level Adjust - Adjusts level of external telephone audio com-
ing from telephone access module
Main Adjust - Adjusts main system audio out. Needs to be at
minimum of 2.5V RMS. Adjusting the main system audio to less
than 2.5V RMS will result in a trouble indication.
PAGE ADJ
PLAYBACK
ADJ
MAIN ADJ
K1
K5
K2 K3 K4
TB1 TB2 TB3 TB4
EXTERNAL OUTPUTS
EXTERNAL INPUTS
MAIN OUT
POWER
SUPERVISION
+ - + - TB11 TB8
+TX/RX -TX/RX
TB10
NC5
NO1 C1 NC1 NO2 C2 NC2 NO3 C3 NC3 NO4 C4 NC4 IN1
C5
NO5
TB15
TROUBLE
WHT
BLK
120-250 V AC/DC
N
L TB5
TB6
IN2 IN3 IN4 TAM
1 2 3 4 5 6 7 8 9 10
LOCAL ADJ
TAM
LEVEL
ADJ
TB14
+24 V
D
C
TB7
+
_
+vs
-vs
TB13
RP
U/
A U D
P _OU
T
P Q+
+
_
TA
M
_A
U D
_
+
SYS_
AU
D
_
+
ST
D
BY PO
W
E R
-
+
TB9
G
Test EOL resistors (supplied)
NOTE: Resistors replaced with Cat. No. EOL-4.7 for operation.
See Section 2.6