Tools And Accessories; Description Of Functions; Automatic Cut-Out; Items Supplied - Hilti PR 20 Operating Instructions Manual

_ The tool can be set up on a tripod with a
5/8" thread or stood directly on some
other steady surface.
_ The tool is easy to operate, robustly built
and comparatively light in weight.

2.3 Description of functions

2.3.1 Horizontal plane
(automatic leveling)
When switched on, the tool levels itself
automatically by way of the 2 built-in servo
motors for the X- and Y-directions.
2.3.2 Inclined plane (manual adjustment
to any desired slope)
Inclination can be set up in alignment with
given marks or contours by pressing the X-
and Y-keys.

2.3.3 Automatic cut-out

During automatic leveling in one or both
directions, the servo system monitors
compliance with the specified accuracy.
The tool switches itself off in the following
situations:
– Leveling is not accomplished (tool set up
outside leveling range or mechanism
physically impeded)
– The tool is brought out of level (due to
vibration or impact)
After automatic cut-out, rotation of the
laser beam stops and all LEDs blink.
Printed: 07.07.2013 | Doc-Nr: PUB / 5070169 / 000 / 00
2. Description / 3. Tools and accessories

Items supplied

1 PR 20 rotating laser
1 PRA 20 laser detector
1 PRA 75 laser detector holder
1 PR 20 operating instructions
1 PRA 20 operating instructions
3 batteries (size D cells)
2 batteries (size AA cells)
1 PRA 52 slope calculator
1 manufacturer's certificate
1 desiccant sachet
1 Hilti toolbox

3. Tools and accessories

Accessories
Various tripods PA 910, PA 911, PA
921 and PA 931/2
Laser detector PRA 20
Laser detector-
holder PRA 75
Leveling staffs PA 950/960 and
PA 951/961
Battery charger PUA 80
Battery pack PRA 801
Slope calculator PRA 52
3