Top View - Valcom Pagepac Plus V-5335621 Manual

Microprocessor Update Timing Period (see Figure 9)
To change the microprocessor update period, remove the top cover, find the jumpers marked "Timing
Adj. J4 and J5", then refer to the chart below.
PERIOD J4
0.5 Seconds IN
1.0 Seconds OUT
2.0 Seconds OUT
4.0 Seconds IN
T elco In
Loop Start
J5
OUT
IN
OUT
IN
TIMING ADJ1
J9
TIMING ADJ2
-24
VR5
Figure 9. Timing Adjustments for J4 and J5
Output Level Control
Line In
C1 G
Line In Enable
Figure 10. Output Level Control
R8
Y1
C14
U11
C13
J4
J5
S3
RP7
R10
R11
C15
-18
-6
-12
VR4
VR2
VR3
Minus 12dB Jumper
Line Out
Output
Level
+ -
+ -
Line Output Enable
10
RP8
C12
SET
-6 dB
VR1
J6
T OP VIEW
Mic Only
C1 C
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