421D
Users Manual
20
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 distance
using 3 measurements
See figure {
O
}.
1
2
3
O
Press this button
twice
; the display shows the
following symbol
. The laser is switched on.
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 horizontal target point.
Press to stop continuous measurement (2). The
value is adopted. Aim at the lower point and
press
this button to trigger the measurement (3). The result is
displayed in the summary line, the partial results in the
secondary lines.
Indirect measurement - determining a chain value
using 3 measurements
See figure {
P
}.
1
2
3
P
fig_p.eps
For example, determining the height between point 1 and
point 2 using three target points.
Press this button
three
times; the display shows the
following symbol
. The laser is switched on.
Aim at the upper point (1).
Press this button and trigger the measurement.
After the first measurement the value is adopted. The
display flashes (2).
