Specifications

43
5.2 General Trouble Adjustments
1. The system volume of the Background Music is too loud or too soft. Adjust R17 (BGM Volume Adjust)
shown on Figure 17.
2. The system volume of the page is too loud or too soft. Adjust R7 (Page Volume Adjust) shown on Figure 17.
3. The state of the Alert Page Tone is ON or OFF and needs to be changed. Move the Alert Page Tone Selection
Jumper (JP1) according to instructions found on the PC board. See Figure 17.
+
-
Alert Page
Tone
Selection
Jumper
BGM
Volume
Adjust
Page
Volume
Adjust
Figure 17
General Trouble Adjustment Locations
5.3 Troubleshooting Using Tone Patterns
The SP4-TZC provides audio tone patterns to help you identify a trouble or the reason a page cannot be
completed. The following table describes these conditions.
Table 6
Troubleshooting Using Tone Patterns
Page Condition Indication From SP4-TZC
Indication From
SP4-APS
Indication From
SP40
SP40 is in Alarm
condition. No
paging is allowed.
Busy Signal. No page. None None
Open Zone being
paged
No indication. Page will be
broadcast on all trouble free
zones.
Open LED indicator
for that zone.
TROUBLE and
Audio Short LED
indicators.
Shorted Zone being
paged
3 short beeps followed by a
long beep. Page will be
broadcast on all trouble free
zones.
Short LED indicator
for that zone.
TROUBLE and
Audio Short LED
indicators.
Invalid 2-digit
Zone Code entered
3 short beeps followed by a
long beep.
None None