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C h 0 7 - C o mE r r
P C T L E L
2 4 0 0
C o u n t s
Mi n :
0
Z e r o :
0
2 7
2 4
10 0
8 0
6 0
4 0
2 0
0
Each channel's 30-minute trend screen (above) is useful for diagnosing wireless problems since it indicates
amount of time since the most recent transmission was received. The arrow on the bottom of the trend
screen resets to far right each time a transmission is received by that channel. When not in alarm, ST-
48/RFs transmit every 5-minutes so the arrow should never progress past the 5-minute interval. The
ViewSmart 1600+ activates the channel's FAULT alarm and indicates ComErr if no transmission has been
received in 18 consecutive minutes. This interval can be adjusted in the communication settings menu for
transmitters that are configured to communicate more often.
4.12 Low Battery
When using one of R.C. Systems' SenSmart 7000 series of gas detectors, and the voltage of the
integral 3.6V Lithium battery drops below 3.3V, a Low Battery alarm will be displayed on the
ViewSmart 1600+'s display on the corresponding channel. When this alarm is received, the
battery should be replaced very soon.
is indicated on the ViewSmart 1600+'s LCD readout and the background color turns red.
LoBatt
Relays are not energized by low battery conditions. The actual battery voltage of each detector
may be seen in the Data From menu.
4.13 Calibrations
Calibrations force a transmission of 75 counts (negative 15.62%) which is indicated on the
ViewSmart 1600+'s LCD readout by
Alarms are inhibited while the Marker Value of -15.62% is activated.
UM-1097
Revision B
Ma x :
9 0
A v g :
S p a n :
10 0
2 1
18
15
12
9
Figure 52 Error Indications
by using the Marker Menu described in the next section.
In Cal
Wi r e l e s s
5 0
3 2
R mt C a l ,
C o mE r r conditions
Displayed here
6
3 m
Observe this arrow to monitor
time between RF transmissions.
Arrow resets to right of screen
after each transmission (typically
5 minutes with Comm Error after
18 minutes).
L o B a t t ,
73
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Troubleshooting
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