16
1 CR2032 battery
(provided)
3 LR1130W batteries
(provided)
+
+
➢
Changing the laser pointer and cross-hair batteries.
Remove the covers of the battery compartments.
Replace the used batteries with new batteries.
4.6
Device usage
▪
Identify the target to be monitored.
▪
Ensure that the tripod is properly balanced and set up on solid ground. A ballast can be suspended from the tripod
to stabilise it. Adjust the height of the tripod if needed.
▪
Aim the laser beam on the selected surface by using the scope.
The laser only functions on a non-transparent surface.
It's best to select a flat surface with a light grey colour.
▪
Check the distance indicated on the display. To obtain the best performance, it is recommended to place the
laser less than 50 m (164ft) away from the structure. Try as much as possible to position the laser beam
perpendicular to the targeted surface.
▪
When selecting the unit of measurement, it is possible to change from the metric to imperial system and vice
versa
(see §5.1)
.
▪
Select the detection threshold using the buttons ranging from
2 to 100 mm (0.1” to 4”).
▪
Using the selected threshold, monitoring is activated after 2 seconds to avoid button pressing causing a
movement detected by the laser range finder. Check that the flashes are blinking:
Range finder
Use of a Sentry SINGLE
Use of a Sentry DOUBLE
Laser 1
1 flash every 5 sec.
1 flash every 5 sec.
Laser 2
/
2 successive flashes every 5 sec.
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