Press and release button to open the menu. >>Grade<< will be shown.
Press/release button to show the actual grade value.
Button
escape/return to the standard display.
Press and hold button OR to change X- axis grade value (only
GL422N) after the comma; press and hold button OR for changing
Y -axis grade value after the comma.
Press and hold buttons simultaneously starts X-axis quick change
mode where the grade value in front of the comma will be set to 0%
and then starts changing in 1% increments. Press and hold buttons
simultaneously starts Y- axis quick change mode .
Note: An asterisk at the right side indicates which grade value will be
changed. The speed of the grade value change increases with the
amount of time the button is held down.
Note: The grade value for both axes increases in 1.00% increments.
When the grade value for either axis reaches its highest amount, the
grade value switches to the lowest value for that axis. For example, the
value switches from +15% to -10%.
The laser will self-level to the required grade position after confirming the
grade change with the button.
Note: The A symbols at the LCDs will flash until the laser has
been self-leveled to the requested grade position.
Y- X- Grade Entering – Step and Go mode