21
Appendix
Leica DISTO™ D3a BT 776750 gb
D
GB
F
I
E
P
NL
DK
S
N
FIN
J
CN
ROK
PL
H
RUS
CZ
Technical data
245
2nd button pressed
although no Blue-
tooth connection
exists.
Establish Bluetooth
connection
252
Temperature too
high
Cool down instrument
253
Temperature too
low
Warm up instrument
255
Receiver signal too
weak, measurement
time too long,
distance > 100 m
Use target plate
256
Received signal too
strong
Target too reflective
(use target plate)
257
Wrong measure-
ment, background
brightness too high
Darken target (measure
in different lighting
conditions)
260
Laser beam inter-
rupted
Repeat measurement
Error
Cause
Remedy
Error
Hardware error
Switch on/off the
device several times. If
the symbol still
appears, then your
instrument is defective.
Please call your dealer
for assistance.
Cause
Remedy
Distance
measurements:
Measuring accuracy*
up to 10 m
(2
σ
, standard deviation)
typically: ± 1/16 in*
(+/- 1.0mm)
Power Range
Technology™:
Range (use target plate
from about 80m)
0.05 m to 100 m
2 in. to 325 ft
Smallest unit displayed
0.1 mm
Distance measurement
9
Minimum/maximum
measurement, Continuous
measurement
9
Area/volume calculation of
room data
9
Addition / subtraction
9
Indirect measurement
using Pythagoras
9
Tilt measurements:
Tilt sensor:
Accuracy
(2
σ
, standard deviation)
- to laser beam
- to the housing
± 0.3°
± 0.3°
Horizontal measurement
9
Indirect measurement
using tilt sensor (direct
horizontal distance)
9
Angle measurement using
tilt sensor(± 45°)
9