
Features
Zero reset in any optional position
Manual and automatic shutoff
Operation
Loosen the clamping screw (3) and
press the ON/OFF switch (5).
Place the protractor on an even surface.
Make sure that both measuring legs (1)
make proper contact with the surface.
Press the „ZERO“ reset button (4) to set
the LCD indicator to “0.00”.
Pivot one of the two measuring legs to
measure the required angle.
For securing the measured value,
tighten the clamping screw (3).
Both legs may also be opened to 180°,
or aligned with the surface. Then press
the “ZERO“ reset button to reset the
display to zero.
In case that the two legs are pivoted
beyond 360°, “ERR“ will be displayed in
the LCD. In that case, pivot the legs
back to their initial position, press the
“ZERO” reset button and repeat the
measurement.
After use, switch off the LCD by
pressing the ON/OFF switch (5).
If the device is not used for approx. 5
minutes, the display will switch off
automatically.
Changing the battery
If the battery is low, the battery icon is shown in
the display.
Press the battery compartment button (6)
and pull the battery receptacle (7) out of the
case. Replace the used battery (8) by a new
one of the same type (CR 2032).
While doing so, ensure correct polarity.
Shift the receptacle (7) back into the battery
case.
If the protractor is not going to be used for a
prolonged period, please remove the
battery.