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6. BASIC OPERATION
1 Always position the instrument so the bubble in the digital level vial is centered.
• The laser might move from side to side in order to adjust the position of laser beam after
the instrument is turned ON (See WAIT display on p.24). The instrument is not operable
during this adjusting process (for about 30 seconds).
The instrument has a self-leveling range of ±10%. To assure proper self-leveling the
instrument must be positioned to within 10% of the grade entered.
• A warning indication will appear depending on the instrument's installed condition.
"Warning indications" (p.23 to 24)
6.1 Setting up the Instrument
+10% (+100)‰
Inclination of the instrument
Setting grade
-10% (-100)‰
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