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4.1 ALARM LEGENDS
The following alarm legends appear in the graphic display:
“ALARM” flashing legend indicates one of the following:
a) Gas concentration which exceeds the preset level
b) A Time Weighted Average (TWA) Alarm
c) A Short Term Exposure Level (STEL) Alarm.
For toxic gas, the ppm, TWA, or STEL level detected and the “ALARM”
legend will flash alternately.
A graphic battery level indicator appears continuously on the display screen.
The indicator shows battery capacity as ten (10) lines inside a picture of a
battery. Each line represents approximately 10% of battery time remaining.
The battery level indicator flashes when the batteries are low. This will occur
when approximately 10% of battery life remains.
EACH LINE REPRESENTS
APPROXIMATELY 10%
OF BATTERY TIME REMAINING
FIGURE 2
BATTERY LEVEL INDICATOR
An exhausted battery alarm will occur after the last bar disappears. See
Figure 2.
“HOLD ACTIVATED” flashing legend indicates that the HOLD feature has
been selected. The instrument will display the highest reading of a toxic gas
or the lowest oxygen reading. This reading will continue to be displayed until
the HOLD function is reset.