17
reections detected by the laser receiver and lead to erroneous readings.
WHAT: The mask mode allows electronic shut o the laser beam in up to 3 of 4
quadrants. The status of the mask mode is shown on the standard LCD (pic 17).
HOW: There are two options to activate the mask mode.
Option 1: To activate the mask mode on the + or – Y axis, press the Up or Down
arrow button (f) and the manual button (c) within one second. To activate the mask
mode on the + or – X axis, press the Left or Right arrow button (g) and the manual
button (c) within one second.
Option 2: Press and release the M button (h) at the keypad to enter the
menu. Select >>Mask Mode<<. To select the sector, press and release one of the
corresponding arrow buttons. When the desired sectors have been set, press E button
(j) to store the selection.
Pic 14 Display no mask mode
Pic 15 Mask Mode +X-Axis
Pic 16 Mask Mode +X, -Y, -X-Axis
Pic 17 Mask Mode on Standard Display
Note: Maximum of three sectors can be selected.
Note: The laser always powers up with the mask mode deactivated.
13 Temperature Reference Check
W
HY: When working during temperature changes and over long distances, the laser
requires a frequent reference check to maintain accuracy and avoid errors caused by drift.
When carrying out work where accuracy is paramount, it is advised to manually prompt a
reference check at regular intervals. This feature allows grade accuracy verication after
sudden changes in the jobsite climate, e.g. sunshine after rain or vice versa.
WHAT: The laser performs an automatic reference check when grade has been
entered and will repeat the reference check when there is a 5°C (9°F) change within
the product. When this is not enough for the accuracy requirements, a manual
reference check can be started.
HOW: Press and release the M button (h) and scroll to >>Temp Check<<. Press and
release the E button (j) to start the reference check. While the laser is doing the
reference check, the laser rotation will be stopped.
Note: A grade value has to be entered before the laser starts the reference check.
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