Bosch GCL 2-160 Operating/Safety Instructions Manual page 19

All modes except for point operation can be selected both with and
without automatic levelling.
Working with Automatic Levelling
On/Off switch 2 in position
" "
Press button for "line &
point" operating mode
6 once
Press button for "line &
point" operating mode
6 twice
Press button for "line &
point" operating mode
6 three times
Press button for "line &
point" operating mode
6 four times
If the measuring tool is outside of the self-levelling range, the laser
lines and/or points will flash quickly.
If during work with automatic levelling you switch to the "working with-
out automatic levelling" mode (On/Off switch 2 in position "
first combination of this mode's indicators is always activated.
● ●
Cross-line ●
operation
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— ● —
— — ●
● ●
Cross-line ●
operation
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green B1
green C1
green D1
green E1
green B1
"), the