
26
Promark2 User’s Guide
As is evident from the graph of the alkaline batteries, temperature plays a large part in the
operational life. This is true for all battery types with the exception of lithiums. The lithium
experiences little effect on operational life due to temperature, making lithium the best choice
for low-temperature operation.
The ProMark2 receiver monitors the status of the battery life during receiver operation. This is
accomplished by monitoring the remaining voltage of the batteries as they are discharged. The
ProMark2 receiver displays battery alarms when the remaining battery life gets low. The first
alarm is the Low Battery alarm, Figure 2.3. Remaining operational time after the appearance
of this alarm is very dependent on battery type used and the temperature at which the receiver
is being operated. You can expect approximately 1 hour of life remaining at room temperature
with standard alkaline batteries. The remaining life will be shorter at lower temperatures. At
-10
°
C, the remaining life could be as low as 10 minutes.
Figure 2.3
Low Battery Alarm
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