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EN

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SAFETY NOTES

INTENDED USE OF INSTRUMENT

Triangle, polygon and engineer measurements in the field of civil engineering as well as cadastral 

survey.

CARE AND CLEANING

Handle measuring instruments with care. Clean with soft cloth only after any use. If necessary damp the 

cloth with some water. If the instrument is wet clean and dry it carefully. Pack it up only if it is perfectly 

dry. Transport in original container / case only.

SPECIFIC REASONS FOR ERRONEOUS MEASURING RESULTS

Measurements through glass or plastic windows; dirty laser emitting windows; after the instrument has 

been dropped or hit. Please check the accuracy. 

Large fluctuation of temperature: If the instrument will be used in cold areas after it has been stored in 

warm areas (or the other way round) please wait some minutes before carrying out measurements.

ELECTROMAGNETIC ACCEPTABILITY (EMC)

It cannot be completely excluded that this instrument will disturb other instruments (e.g. navigation sys

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tems); will be disturbed by other instruments (e.g. intensive electromagnetic radiation nearby industrial 

facilities or radio transmitters).

CE-CONFORMITY

The instrument has a CE mark according to EN 55011: 2007, EN 61000-6-1-2007.

WARRANTY

This product is warranted by the manufacturer to the original purchaser to be free from defects in mate

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rial and workmanship under normal use for a period of two (2) years from the date of purchase. During 

the warranty period, and upon proof of purchase, the product will be repaired or replaced (with the same 

or similar model at manufacturers option), without charge for either parts or labour. In case of a defect 

please contact the dealer where you originally purchased this product. The warranty will not apply to this 

product if it has been misused, abused or altered. Without limiting the foregoing, leakage of the battery, 

bending or dropping the unit are presumed to be defects resulting from misuse or abuse.

Summary of Contents for FET 402K-L

Page 1: ...USER MANUAL www geo fennel com EN FET 405K FET 420K FET 402K L...

Page 2: ...uarantees a longtime and reliable operation geo FENNEL Precision by tradition SUPPLIED WITH A Elektronic Theodolite FET 405K FET 420K FET 402K L Battery and charger Container User manual FEATURES 2 la...

Page 3: ...Measuring units 400 gon 360 mil Optical plummet 3 x Focusing range 0 5 Plate level 30 2 mm Circular level 8 2 mm Operating time power supply 35 h NiMH 40 h Alkaline Temperature range 20 C up to 50 C D...

Page 4: ...f the charger into the charging socket of the battery box RED LIGHT at the charger indicates that the batteries are being charged GREEN LIGHT at charger indicates that the batteries have been fully ch...

Page 5: ...rew 6 Horizontal clamp knob 7 Display 8 Instrument center mark 9 Optical plummet 10 Plummet eyepiece 11 Circle vial 12 Foot screw NOMENCLATURE 1 1 Handle 2 Objective lens 3 Optical sight 4 Laser butto...

Page 6: ...lashing digit DISPLAY INDICATION 1 Ht Total value of repeated measure ments 2 V Vertical angle 3 Number of repeated measure ments 4 AVG Average of repeated measure ments 5 HR Right horizontal angle 6...

Page 7: ...ilt in optical plummet Focus the target with the eypiece of the optical plummet and focus the ground point with the focussing ring POWER ON THE INSTRUMENT Press the POWER button for 1 sec The manufact...

Page 8: ...NING INCREMENT Aim at target A using the crosshair of the telescope Press the R L key transform the horizontal angle mode HR into the mode HL Measuring with mode HL The R L key is of no effect to the...

Page 9: ...m at the second target B 5 Press the HOLD key to hold the horizontal angle and store in the instrument 6 Turn the horizontal tangent knob to aim at target A again Press the R L key to release the angl...

Page 10: ...the display and crosshair can be illuminated Power on the illumination Press the button FUNC F will be displayed press the button FUNC again the illumination is now powered on Power off the illuminati...

Page 11: ...can be acomplished and will be visualized to the user INITIAL SETTING The instrument supplies multi functions for your selection to meet the different requirements of measuring configuration ITEM 1 2...

Page 12: ...ain The collimate rotation is too fast Press the 0SET key to set 0 If E00 is shown again the instrument needs to be repaired The telescope turning is too fast Press the V key to set 0 for the vertical...

Page 13: ...ITY EMC It cannot be completely excluded that this instrument will disturb other instruments e g navigation sys tems will be disturbed by other instruments e g intensive electromagnetic radiation near...

Page 14: ...authority and the appoint ment of a laser protection official Do not operate the laser without first reading and understanding all the safety and technical data in the user manual The user manual mus...

Page 15: ...ves assumes no responsibility for consequential damage and loss of profits by any disaster earthquake storm flood etc fire accident or an act of a third party and or a usage in other than usual condit...

Page 16: ...geo FENNEL GmbH Kupferstra e 6 D 34225 Baunatal Tel 49 561 49 21 45 Fax 49 561 49 72 34 info geo fennel de www geo fennel de All instruments subject to technical changes Precision by tradition 08 2018...

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