20
Sometimes the state of the surface of the ground mark or a surrounding environmental
does not allow observing the laser spot easily. Please adjust the brightness of the laser if
necessary.
If [Laser] + [F4] [PLUM.ADJ] are pressed in due
course., the brightness adjustment screen of the laser
plummet device, is displayed.
The Laser plummet becomes darker or brighter by
pressing [F1] [ ] / [F2] [ ] key.
The adjustment is completed with the [ENT] key and
it returns to RED MARK & LD PLUM. Settings
screen.
• The brightness adjustment step of the laser is 10 steps.
• The laser plummet spot can become difficult to see in bright sunlight which makes it
difficult to perform the occasional check. In this case, use your foot or the carrying case to
make a shadow over the laser position.
• The laser plummet is adjusted to be within ±0.5mm
at the instrument height of 1.5m at factory shipping.
• Please double check the amount of the gap
(direction of X and Y direction) by laser plummet
with the amount of the gap by plumb bomb etc.
When working accurately you should put out a
perpendicular direction using the laser plummet
function.
• Please do not look at the laser source of beam
directly.
3.3
Optical plummet (Option)
[Detachable type]
①
Look through the optical plummet eyepiece, and rotate the eyepiece knob until the center
mark can be seen clearly.
②
Rotate the focusing knob of the optical plummet and adjust the focus to the station on the
ground.
③
Rotate the levelling screws and aligh the center mark to the ground mark.