Leica DISTO D3a BT User Instructions page 17

Indirect measurement - determining a dis-
tance using 2 auxilliary measurements
e.g. for measuring building heights or widths. It is helpful
to use a tripod when measuring heights that require the
measurement of two or three measurements.
Press this button four times, the display shows
the following symbol
Aim at the upper point (1) and trigger the
measurement. After the first measurement the value
is adopted. Keep the instrument as horizontal as
possible.
Press and hold down this button to trigger
continuous measurement, sweep the laser back and
forth and up and down over the ideal target point.
Leica DISTO™ D3a BT 776750 gb
. The laser is switched on.
Press to stop continuous measurement (2). The
result is displayed in the summary line, the partial
results in the secondary line.
Indirect Measurement - determining a dis-
tance using 3 measurements
Press this button five times; the display shows
the following symbol
Aim at the upper point (1) and trigger the
measurement. After the first measurement the value is
adopted. Keep the instrument as horizontal as possible
Press and hold down this button to trigger
continuous measurement, sweep the laser up and
down over the ideal target point.
Press to stop continuous measurement (2). The
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1
2
3
. The laser is switched on.
Functions
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