User Guide
Table Of Contents
LED SCREEN ICONS
Battery cover
S
CAL1
CAL2
ON/OFF
/SOUND
Digital Level
Press it once to turn on the digital level, press it again to activate sound function, shows, beeper will sound at 0° or 90°, beeps frequency
increase as it close to 0° or 90° and eventually reaching a constant tone at exactly 0° or 90°. press it again to turn off the sound function,
disappears.
ZERO
MODE
The S icon will display to indicate relative angle measurement mode.
Converts angles to different units. Press it to change the display units from degree(° ) to mm/m, percent slope(%) and pitch(in/ft).
Press it to enter the HOLD function and the H icon will display, press it again to release HOLD function.
(1) Turn off the digital level, place the digital level on a flat and smooth surface.
(2) Press and hold MODE button, and the press ON/OFF/SOUND button at the same time, the calibration mode is activated and “CAL1” will display.
(3) Press MODE button again, “CAL1” will flash, do not move the digital level until “CAL2” display.
(4) Rotate it 180° in the same location and press MODE button again, “CAL2” will flash. Do not move until the calibration completed, “CAL2” disappear
and the current angle value display.
Digital Level
Digital Level
Digital Level
Short press ON/OFF/SOUND button to enter Absolute measurement
mode, LED display the angle of absolute level.
Icon or shows how wo adjust the surface to level.
Place the digital level on the first measured surface, press ZERO button,
LED display 0.00° . Place it one the second measured surface,
LED show the intersection angle between two measured surfaces.
Press ZERO button again to enter Absolute measurement mode.
Digital Level
Digital Level
Digital Level
Digital Level
Digital Level
Digital Level
Digital Level (DL1903)
display

