Topcon RL-H2Sa - Laser Sensor Operation; LS-70 A;LS-70 B Laser Sensor Overview

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Auto-cut off function (LS-70A and LS-70B)
The power will be turned off automatically if no laser beam is detected within approximately 30 minutes.
(To turn the sensor on again, press the power switch.)
Two on-grade precision
options are available,
normal precision and
high precision. By
pressing this switch, the
precision options are
switched alternately.
Confirm the precision
choice by the indicator.
(Normal precision is the
default setting each time
the sensor is turned on.)
On-Grade
precision switch
Indicator
Buzzer sound
switch
Beam receiving window
Power switch
Buzzer speaker
Illumination switch
(Quite/Loud/OFF)
Buzzer sound switch
(Quite/Loud/OFF)
Buzzer speaker
Beam receiving window
Indicator
Power switch
LS-70A Laser Sensor
LS
-7
0B
L
aser
S
ensor
On-Grade index
On-Grade index
On-Grade
index