Topcon RL-H3A - Page 29

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Auto-cut off function
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 leveling 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 set
when turning on the
power switch.)
On-grade
precision switch
Buzzer sound
switch
Beam receiving window
(Quite/Loud/OFF)
Buzzer sound switch
(Quite/Loud/OFF)
Beam receiving window
Power switch
LS-70B:
The indicators are
located on front and
back sides of the
instrument.
LS-70C:
The indicator is
located only on front
side.
LS-70A Laser Sensor LS-70B/70C Laser Sensor
Index
Index
Index
Indicator
Illumination
switch
Press the detective pre-
cision switch while
pressing buzzer sound
switch.
Buzzer speaker
Power switch
Buzzer speaker
Index
Indicator