Operation; Preparation For Measurement; Alkaline / Rechargeable Battery Indication - geo-FENNEL ELT 220 Mode D'emploi

OPERATION

PREPARATION FOR MEASUREMENT

Level and centrer the instrument precisely to ensure optimum performance.
Setting up the instrument and tripod
Extend the tripod legs to a suitable height and tighten the locking screw.
Attach the instrument onto the tripod carefully.
With the tripod centring screw slightly loose move the instrument across the tripod head until the laser plum-
met is in coincidence with the ground point.
Level the instrument with the circular bubble vial
Use footscrews 1& 2 to move the air bubble in the circular vial so it is centred left to right. Use footscrew 3 to
move the air bubble to the centre of the vial.
Accurately level the instrument with the plate level
Release the horizontal clamp and rotate the instrument until the plate level is parallel with the footscrew 1& 2.
Centre the plate level bubble using the same two footscrews.
Turn the instrument 90°and centre the bubble using footscrew 3.
Repeat this procedure until the bubble in the plate level is centred in all positions.
Please observe the relationship between the direction of rotation of the footscrews and the moving direction
of the bubble.
POWER ON
When pressing the power button for 1 sec. an audio tone sounds followed by a test period
of about 2 seconds when all segments are displayed on the LCD to confirm the instrument
is ready for use
Press the power button and hold for 2 seconds to power off the instrument.

ALKALINE / RECHARGEABLE BATTERY INDICATION

Full power
Effective
Low power but still effective
Very low power, replace the alkaline battery / recharge NiMH battery pack
Instrument will shortly power/off automatically.
Replace alkaline battery / recharge NiMH battery pack immediately
ECOLINE
EN
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