
28
Promark2 User’s Guide
Installing Batteries
To install batteries, remove the battery compartment cover as shown in Figure 2.5. Remove
old batteries, if any, and install new batteries, observing polarity as indicated. Replace cover
and tighten retaining screw.
Memory Management
The ProMark2 receiver includes 8 megabytes of memory available for data storage. Within
these 8 megabytes, a minimum of 7 hours of observation time can be stored under the worst-
case condition where 10 satellites are being tracked continuously at a one-second interval.
Seventy-two hours can be stored at a 10-second interval. Below are some tips on managing the
data storage memory of the ProMark2 to minimize the chances of losing data or running out of
memory during data collection.
Note: If maps are loaded, the storage capacity will be less.
1.
Download collected data daily.
Downloading and processing your data daily will reduce the chances of losing data
by accidental deletion.
Figure 2.5
Battery Installation
+
+
-
-
Turn screw counter-
clockwise to
remove battery
compartment cover
Removing cover
Battery polarity
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