Operation Zone20 H | 13
3.3 Turning the Zone20 H on and off
Turning on and off Press the Power button to turn on or off the Zone20 H.
After turning on:
• If set up within the 5° self-levelling range, the Zone20 H automatically levels to create an accurate
horizontal plane of laser light.
• Once levelled, the head starts rotating and Zone20 H is ready for use.
• After 30 seconds of completing the levelling, the H.I. Alert system becomes active to protect the laser
against changes in elevation caused by movement or settling of the tripod.
• The self-levelling system and H.I. Alert function continues to monitor the position of the laser beam to
ensure consistent and accurate work.
3.4 Automatic Mode
Description of the Auto-
matic Mode
The Zone20 H always starts up in Automatic Mode.
In Automatic Mode the Zone20 H automatically levels if set up within the 5° self-levelling range.
3.5 Manual Mode
Description of the
Manual Mode
After start-up the Manual Mode can be activated. In Manual Mode the self-levelling will be deactivated.
The following options are available:
• Change the X-axis to Manual Mode
• Change the Y-axis to Manual Mode
• Change to Full Manual Mode
After turning the Zone20 H off and on again, the Zone20 H is in Automatic Mode.
Changing the X-axis to
Manual Mode
After startup, press the Automatic/Manual Mode Button once to change the X-axis to Manual Mode.
The X-axis and Y-axis are marked on the top of the Zone20 H.
• The X-axis does not self-level and a slope can be entered in this axis using the Up and Down Arrow
buttons on the Zone20 H.
• The X-axis LED is red.
• The Y-axis continues to self-level and the Y-axis LED flashes
green until level.
When the X-axis is in Manual Mode, the X-axis can be sloped upwards or downwards as illustrated.
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