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Johnson 40-6932, Instruction Manual, Page: 15 / 36

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Johnson 40-6932 Instruction Manual Download Page 15

©2011 Johnson Level & Tool 

15

Measurement of Vertical Angle

The angle position can be set as required in the initial setting.

Display of Slope

1. Press the V/% key to switch the vertical 

measurement shown from degrees to percent 
of grade.

2. Press the V/% key again to switch from grade 

percent back to the vertical measurement 
shown in degrees.

Note:

When vertical angle is converted to slope, the precision of the

slope reading is two digits after the decimal.  The value of slope is
displayed only within a 45º (100%).  When measure angle exceeds
100%, the percent will be shown as “----”.

0

º

90

º

180

º

270

º

90

º

0

º

270

º

180

º

4430H-English_Manuals  2/22/11  11:08 AM  Page 15

Summary of Contents for 40-6932

Page 1: ...40 6935 Instruction Manual Congratulations on your choice of this Electronic Digital Theodolite We suggest you read this instruction manual thoroughly before using the instrument Save this instructio...

Page 2: ...8 Care and Handling 9 Product Warranty 10 Warranty Registration 11 Accessories 1 Kit Contents Description for Model 40 6932 40 6935 Qty Electronic Digital Theodolite 1 Alkaline Battery Pack batteries...

Page 3: ...g curve Large suite of programmable settings provide multiple options for various users and job requirements including zero position of vertical angle Measurement units in degrees gon or mils 90 degre...

Page 4: ...rizontal Clamp LCD Display Operating Keys Tripod Base Plate Handle Screw Center Mark Vertical Plate Tubular Vial Circular Vial Battery Case Eyepiece Telescope Fine Motion Telescope Clamp Tribrach Lock...

Page 5: ...s with clockwise turning 6 HL Angle increases with counterclockwise turning 7 TILT Tilt sensor 8 F Function mode 9 G Angle unit GON 10 Vertical slope in percent 11 REP Repeated angle measurement mode...

Page 6: ...ertical angle to percent of grade Repeated angle measurement Function key selection Hold horizontal angle reading Set horizontal angle rotation direction lluminating the display Moving the cursor to t...

Page 7: ...s this ensures a complete leveling range Adjust the Optical Plummet Eyepiece to focus the bullseye Adjust the Optical Plummet telescope focus to see the ground clearly If you can not see the ground po...

Page 8: ...wo screws adjust them equally The bubble will move in the direction that your left thumb turns To move the bubble to the right turn the B leveling screw in and simultaneously turn the C leveling screw...

Page 9: ...refully loosen the tripod fastener and move the instrument on the tripod head in an x y direction Do not rotate the instrument Recheck leveling and repeat until instrument is level and over the ground...

Page 10: ...key pads operate except for the power key Rotate the telescope 360 to activate the vertical measuring mode and to activate the keypad Battery Strength Indicator The battery symbol on the LCD window d...

Page 11: ...attention to the and pole Snap the battery cover back into place Placing the Battery Box on the Instrument Place the projection on the bottom of the battery box into the slot on the instrument Push th...

Page 12: ...e circuit Rechargeable batteries can be used repeatedly for 300 500 times Complete discharge of the battery will shorten the battery s life Recharge batteries at least once per month to keep its longe...

Page 13: ...t key once to set reading of horizontal angle 0 00 00 0 set key is only available for the horizontal angle Horizontal angle can be set to 0 at any time except when the horizontal angle is in the hold...

Page 14: ...HL to HR again Holding the Horizontal Angle Press the HOLD button to hold the horizontal angle The reading will blink while being held The reading of the horizontal angle will remain unchanged even i...

Page 15: ...rcent of grade 2 Press the V key again to switch from grade percent back to the vertical measurement shown in degrees Note When vertical angle is converted to slope the precision of the slope reading...

Page 16: ...nd store it in the instrument 6 Rotate the instrument to aim at the target A again Press R L key to release the angle hold status 7 Rotate the instrument to aim at the target B again 8 Press the HOLD...

Page 17: ...in from step 1 Err 04 will show on the display when measuring 30 during the repeat measurement then go back to step 1 Press the FUNC key and then press the HOLD key to withdraw from repeat measurement...

Page 18: ...e instrument will be compensated automatically by the tilt sensor If the instrument is inclined too much a symbol b will be shown on the display this means the instrument exceeds the compensated range...

Page 19: ...n Backlight LCD Telescope Reticle and Timing Power Off The display and telescope s reticle on this theodolite are equipped with a lighting device Press the FUNC key twice to turn on the light Press th...

Page 20: ...Set tilt function Setting 0 OFF Setting 1 ON 7 Data transmission Set data transmission function Setting 0 OFF Setting 1 ON Automatic Shut off Setting interval for automatic shut off without an operat...

Page 21: ...g the up key After changing the various settings press the FUNC key once and then press Power key once to exit the setting status and return back to the angle measuring function The new settings will...

Page 22: ...Mount the instrument on the base plate carefully Tighten the clamp knob on the base plate b Instrument exceeds its self leveling range level the instrument again Display Error Display Explanation Acti...

Page 23: ...ubular Vial Checking Attach the instrument to a tripod and rough level Position the tubular vial parallel to a line connecting any two of the three leveling screws on the base Adjust the two leveling...

Page 24: ...If not proceed with the following calibration Calibrating There are three adjusting screws on the bottom of the circular vial When calibrating loosen the screw opposite to the bubble s moving directio...

Page 25: ...cle cover between the eyepiece and focusing handwheel This will expose four reticle set screws Loosen these four set screws equally with a screwdriver Turn the Assembly so that point A coincides with...

Page 26: ...arget A with crosshair of the telescope in plate leftward position Rotate the telescope around the horizontal axis 180 to aim it in the opposite direction Aim at target B which is the same distance to...

Page 27: ...e number of turns Loosen the screw counterclockwise and tighten in the clockwise direction The turn should be as little as possible for both loosening and tightening After above calibration the zero r...

Page 28: ...pensation device is working Calibrating When the compensation doesn t work well or works abnormally send the instrument to an authorized repair facility for repairs Vertical Plate Angle Specification...

Page 29: ...ument the vertical angle and horizontal angle are displayed after the telescope passes zero position 3 Press the FUNC key once and then press the V key 4 Rotate the instrument and precisely aim at the...

Page 30: ...ted between the optical eyepiece and the focusing knob Place a sheet of paper under the instrument and mark the optical plummet center mark each time the instrument turns 90 as shown in the figure poi...

Page 31: ...le and finish with the enter key OXOD Their form is as follows A Angle Type Character Display Mode Character Angle Value 0X0D Angle Type Character P Vertical Angle H Horizontal Angle Display Mode Char...

Page 32: ...h 6 18in 157mm Angle Measuring System Angle Measurement Incremental Minimal Reading 1 2 5 optional Angle Measurement Unit 360 400gon 6400mil optional Accuracy 40 6932 2 40 6935 5 Vial Tubular Vial 30...

Page 33: ...nput and Output Joint one RS232 Power Battery 5 AA Alkaline Batteries or Rechargeable NiMH Battery Pack Operating Voltage 6V DC Operating Time 16 hours Working Environment Temperature Range 4F to 104F...

Page 34: ...t on the tripod in a horizontal position over your shoulder Any long distance transportation should be done with the instrument in its carrying case Put the instrument in its carrying case to avoid po...

Page 35: ...ntact one of our service centers for all non warranty repairs A list of service centers can be found on our web site at www johnsonlevel com or by calling our Customer Service Department Contact our C...

Page 36: ...OF PURCHASE WITHIN 30 DAYS OF YOUR PURCHASE OF THE PRODUCT OR ANY LIMITED WARRANTY THAT MAY APPLY SHALL NOT APPLY AND THERE SHALL BE NO WARRANTY 11 Accessories Johnson accessories are available for p...

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