• In loftfng mode, Press
9
10 finish the measurement.
The reference value a & value b still display on the screen.
• If press�key while setting value a, then you can
set value b. If pressCIJkeywhile setting value b, then
end the salting mode and enter into lofting measurement.
• Alter lofting measurement mode, the distance value on
the auxiliary screen is the lofting value, and the value on
main screen Is the distance to the loftfng point. If the
value is positive, it means the measuring distance is
further than the lofting point. If the value is negative, it
means It Is still not get to the lofting distance. Besides,
the device will generate "beep, beep" when the device is
getting to the closest lofting point, less than 0.1m. (it
won� beep beep if the buzzer is off) . When arriving at
the loftfng point, the sound of the buzzer Is obviously
different.
• The lofting distance is a+bxn ("n" is an arbitrary natural
number expect zero. )
Add/ Subtract Measurement
Single distance measurement can be done through
adding/ subtracting to get accumulated add or subtract
operation.
Press +/-,then the icon+/-will display on the main screen,
Choose accumulated adding or subtracting
measurement mode.
In the distance mode, the accumulaUve value or
differences between previous measured value and the
very measurement results will be displayed on the
screen directly.
In the Area or Volume mode, after measured area or
volume • Re-
p
ress
�
to calculate. The result will
display on the main display screen.
Measurement benchmark setting
Press� key to enter into setting of switching
between front benchmark and end benchmar1<.
System usually takes end benchmark as default.
7c
�
front benchmark
end benchmark
Function setting switch
Long press 1!4J until the icon flashes on the screen.
Battery power Instruction
When the segment are full, it means the battery is in
full capacity. When the segment reduces, which mean
lhe battery capacity is less. Pis replace new battery
when the icon flashes.
Signal strength
When the five signal segments show, it means the
echo signal is strong. If the segments are less, it
means the echo signal is weak.
Data storage/ Invoke
Press l!4J key to enter Into storage function, all the
testing data will display on the screen. Press +•key
to check your desired data.
