Normal precision mode
High precision mode
Higher than datum position
(Buzzer sound: High frequent beep sound)
Move the sensor downward.
(Buzzer sound: Continuous beep sound)
Lower than datum position
(Buzzer sound: Low frequent beep sound)
Move the sensor upward.
Battery remaining display
Height alert warning of rotating
Rotating laser battery
• The warning displays *1 and *2 are the functions that the
LS-80L detects alarm signal from the RL-SV1S.
The LS-80L can be canceled the alarm detection from the
To be canceled the detection; Press the power switch while
pressing the buzzer sound switch when powering on.
Battery is sufficient.
The power is low, but laser
is still usable.
Replace the dry battery with
A flash shows that the RL-SV1S
power is low.
A flash and a buzzer sound
signifies that the height alert
function of the RL-SV1S is