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Sensor de laser LS-70A
Beam receiving window
Index
Buzzer sound
switch
Quiet/Loud/OFF
Illumination switch
Press the detective precision
switch while pressing buzzer
sound switch.
Auto-cut off function (LS-70A and LS-70B
The power will be turned off automatically if no laser beam is detected within approxima-
tely 30 minutes. (To turn the sensor on again, press the power switch.)
Display (LS-70A/70B)
RT-5Sa/b height Alert warning*1.
When the Alert Signal function [COM] is
active on the RT-5a/b, the sensor will
signal if the laser has been disturbed so
the height of the instrument can be
checked. The buzzer will sound for about
five seconds and the height alert warning
symbol will flash until the sensor detects
normal beam rotation from the laser.
To obtain normal beam rotation, the
RT-5Sa/b must be turned off then back
on. Then check that beam height has not
changed.
RT-5Sa/b battery warning*2. When the
Alert Signal function [COM] is active on
the RT-5Sa/b, the sensor will signal if the
battery of the RT-5Sa/b is low. The laser
low battery warning symbol will flash on
the LS-70 display. No audio signal is
generated for this warning.
Note: the warning signal *1 and *2 will function only if RT-5Sa/b Alert Signal function [ COM ] is active. See
'Function Mode' section earlier in this manual. Alarm detection at the LS-70 can be canceled by turning off the
LS-70, then turning it back on while pressing the buzzer sound switch.
Indicator
Index
Detective
precision switch
Power switch
Buzzer speaker
Two leveling precision are available, normal precision
and high precision. By pressing this switch, the
precision options are switched alternatley. Comfirm
the precision choiche by the indicator. (Normal
precision is set when turning on the power switch.)
High precision mode
25
Sensor de laser LS-70A
Beam receiving window
Index
Buzzer sound
switch
Quiet/Loud/OFF
Normal precision mode
Higher than datum position
Move the sensor down, The
arrow will become shorter as the
datum position is approached
(see next page for specific
information). Audio signal:
High- pitch, frequent beep.
Datum position
(Audio signal: Continuous beep
sound) Lower than datum position
Lower datum position
Move the sensor up. The arrow
will become shorter as the
datum position is approached.
(see next page for specific
information). Audio signal:
Low- pitch, frequent beep.
Battery remaining display
Indicates the battery remaining
of LS-70A/70B
• Battery is sufficient
• The power is low, but laser is
still usable.
• Dead battery. Replace the 9v
alkaline battery as instructed
on next page.
Indicator
Index
Detective
precision switch
Power switch
Speaker
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