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)AShort 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.
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