- 11 - - 12 -
9. Backlight function
Long press the button, backlight of the screen will be turned on and the light to be turned off if long press the
button again.
10. Hold function
In positions where the display might not be readable, the actual measured value can. Then be saved by pressing the
HOLD button, then a saved measured value is displayed and the “ ” icon will show on the screen. By pressing the
HOLD button another time, the measuring mode will get reactivated.
11. Low battery indicator
Recommend to replace a new 6F22 battery, when the low Battery indicator “ ” shows on the screen.
12. Level 0 º calibration
a. Tum off the equipment. Put the equipment on a flat and smooth surface.
(See the following figure).
b. Press the and the MODE button at the same time, the calibration mode is activated.
b. Keep it unmoved for seconds and press the MODE button, then“CAL 1” will show on LCD.
d. Rotate the equipment 180 º in the same location (see the following figure), then press the MODE button, the“CAL 2”
show. After the “CAL 2” disappear to tell calibrating completed, the LCD will show the current level angle in
high-accuracy-display.
NOTE:
• The calibration must be performed on a flat and smooth surface with the gradient no more than 5 º. If it exceeds 5 º,
“Err” will show on the LCD to tell the calibration failed, you must tum on the equipment again to complete calibration.
• In the calibration, the level also can not be beveled or moved.
• After calibration, the equipment automatically renovates original date with consumer's data, So please carefully use
this function.
MIT ER
UNI T
MOD E
HOLD
REF
REF
180 º
Technical data:
Level measuring range:
Level measuring resolution:
Level measuring accuracy:
Angle measuring range:
Angle measuring accuracy:
Power supply:
Working temperature:
Storage temperature:
Leg to leg length:
Automatic shut-off:
0 º - 360 º
±0.01 º at horizontal and
vertical position
±0.05 º at the rest
±0.1 º at horizontal and
vertical position
±0.2 º at the rest
0 º - 230 º
±0.5 º (9 mm/m)
1 x 9 V battery
0 °C - 40 °C
-10 °C - 50 °C
415 mm
Approx 3 min
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