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The numbering of the product features shown refers to the illustration of the tool on the
graphic page.
Rotary laser
(1) Battery compartment cover
(2) Battery compartment cover locking
mechanism
(3) Slope button down ▼/Button for clock-
wise rotation
(4) Slope button up ▲/Button for counter-
clockwise rotation
(5) Line operation button
(6) Rotational operation button
(7) Bluetooth® button
(8) Variable laser beam
(9) Laser beam outlet aperture
(10) Upwards plumb point
A)
(11) On/off button
(12) Status indicator
(13) Manual operation button
(14) Slope button
(15) Display
(16) Tripod mount 5/8” (horizontal)
(17) Carrying handle
(18) Notch for orientation
(19) Laser warning label
(20) Tripod mount 5/8” (vertical)
(21) Serial number
(22) Recess for Bluetooth® localization
module
(23) Battery adapter
(24) Release button for rechargeable
battery/battery adapter
(25) Rechargeable battery
A) In vertical mode, the upwards plumb
point applies as a 90° reference point.
Rotary laser indicator elements
(a) Laser operating mode indicator
(b) Bluetooth® connection indicator
(c) Shock-warning function indicator
(d) Battery charge indicator for rechargeable
battery/non-rechargeable batteries
(e) Plumb point function indicator
(downwards)
(f) X-axis slope angle indicator
(g) Y-axis slope angle indicator
(h) Rotational speed indicator
(i) Softkey symbols
Remote control
(26) Plumb point function button
(downwards)
(27) Rotational operation button
(28) Sleep mode button
(29) Line operation button
(30) Button for counterclockwise rotation
(31) Slope button, up
(32) Slope button
(33) Signal transmission indicator
(34) X-axis status indicator
(35) Y-axis status indicator
(36) Slope button, down
(37) Button for clockwise rotation
(38) Battery compartment cover
locking mechanism
(39) Serial number
(40) Battery compartment cover
(41) Remote control
Features
GRL4000-90CHVG 10-21.indd 12
10/20/21 3:23 PM