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EN

HORIZONTAL ANGLE LOCKED - UNLOCKED

 ·

Turn the tangent knob and place the required horizontal angle.

 ·

Press the HOLD button to hold the current value of the horizontal angle. The value will flash while 

this function is active.

 ·

Press the HOLD button again to release the value.

SLOPE PERCENT MODE (%)

 

 ·

In the angle mode the vertical angle can be transformed into percent of grade.

 ·

Press the button „V%“ to switch from the vertical angular measurement shown in degrees into per

-

cent. 

 ·

The maximum % value will be 99.999 %; exceeding this display will show „- - - - -“.

ANGULAR REPEATED MEASUREMENT

1. 

Press the FUNC key.

2. 

Press the REP key to enter into the repeated mode.

3. 

Aim at target A and press the 0SET key once to set the first target

 

reading 0°00’ 00”.

4. 

Turn the horizontal tangent knob to aim 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 angle and keep the status.

7. 

Turn the horizontal tangent knob to aim at the target B again.

8. 

Press the HOLD key to hold the horizontal angle and store in the

 

instrument. Double and average angle-value will be shown in 

 

the display. 

9. 

Repeat the steps 7 and 8 according to the measurement require-

 

ments.

10. To return to the standard angular measurement press the FUNC key, 

 

then press HOLD key. 

 ·

The reading of the horizontal angle could reach max. ±2000°00’ 00” 

 

when measuring in the „Plate left” or “Plate right” mode. The five-seconds 

 

reading could reach at least ±1999°59’ 59”.

 ·

The repeated measurement should be limited to15 times.

 ·

In case the deviation of two measurements exceeds or equals ±30 

 

Error E04 will be shown in the display. Then press button OSET and 

 

start a new measurement.

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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