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Carlson BRx6, Calibration

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Carlson BRx6 Calibration Download Page 7

 

BRx6 Sensor Calibration

 

 

Updated: Apr 20, 2017 

 

Page: 7 

 

 
Tap the 

Update Calibration

 button to store the calibration values.  When the calibration values 

have been stored this screen will be displayed. 

 

 

 
Tap the 

OK

 button and the 

Orange Arrow

 button to complete Step 2. 

 

 

STEP 3: MAGNETIC ANGLE BIAS OR MAGNETIC DECLINATION CALIBRATION

 

 

Before continuing with Step 3, make sure the unit is receiving an RTK 
FIX, is mounted on a pole and the correct pole height is entered into 
SurvCE.  

 

A bipod can be used to hold the pole stationary and vertical as shown 
here. 

 

 
Tap the 

3. Directional Incline

 button to start the Step 3 calibration.  

The display will be similar to this: 
 

Summary of Contents for BRx6

Page 1: ...g the pole vertical and steady tap Start The utility to average several FIXED positions to determine the current location Second lean the pole at an angle of not more than 30 degrees and rotate the receiver in different directions The utility checks both the calculated position and elevation differences from the actual position established in point 1 As long as the position or elevation difference...

Page 2: ...eiver and connecting to the base station at this time will speed up the calibration process If the quick release adapter will be used in Step 3 remember to add the 4 cm height of the quick release adapter to the Antenna Height The BRx6 antenna offset is already hardcoded in the calibration tool so it s not required to be part of the user entered value For Step 3 a pole height of 2 0 meters or high...

Page 3: ...icture shows the BRx6 and tribrach mounted on a tripod prior to performing the Step 1 calibration Once the BRx6 is horizontal and stable tap the 1 Tilt Calibration set hz button This screen will appear Once you are sure the BRx6 receiver is level tap the Set Zero button When the tilt sensor calibration is completed this message will be displayed ...

Page 4: ...ill need to keep the pole as vertical as possible while rotating the pole A good way to keep the pole vertical while rotating is to grab the pole with one hand at face height while using the fingers of your second hand to rotate the pole If your pole is extendable you can use a bipod to keep the pole vertical and if you don t lock the extendable top portion of the pole you can rotate the top exten...

Page 5: ...dated Apr 20 2017 Page 5 Tap the 2 Magnetic Spin button to start Step 2 This screen appears With the BRx6 level tap the Start Vertical button and slowly start rotating the pole as shown in the image on the data collector screen ...

Page 6: ...orizontal button will turn black Depending on the rotation speed more than rotation of the BRx6 may be required Once the Vertical rotation is complete mount the BRx6 on the mini rotary bracket as show below With the BRx6 still being level tap the Start Horizontal button and again slowly rotate the pole as shown on the data collector screen below Continue slowly rotating the BRx6 until the Horizont...

Page 7: ...nge Arrow button to complete Step 2 STEP 3 MAGNETIC ANGLE BIAS OR MAGNETIC DECLINATION CALIBRATION Before continuing with Step 3 make sure the unit is receiving an RTK FIX is mounted on a pole and the correct pole height is entered into SurvCE A bipod can be used to hold the pole stationary and vertical as shown here Tap the 3 Directional Incline button to start the Step 3 calibration The display ...

Page 8: ...ach point captured If the receiver is not level or not FIXED the points will not be captured and a warning message will be displayed If points are not being captured make the necessary adjustments as prompted on the display When Center Pt data capture is complete the display will show If a bipod was used to steady the pole remove the bipod or collapse the legs so the pole can freely move in any di...

Page 9: ...sing bar advancing each point When the 10 points are captured you will be prompted to point the inclined pole to the south followed by west and north During this portion of the calibration the pole is tilted 25 35 degrees with you standing next to the point where the pole touches the ground and with the BRx6 display always facing you and you facing the cardinal direction East South West North bein...

Page 10: ...n the pole may help for this step as you ll be directed to tilt the point within a few degrees approximation to the four cardinal directions east south west and north With or without the pole compass always read the values on screen as they will help you to get into the right tilt and compass direction ranges 2 The Incline Angle shows the total tilt angle in degrees which should be in the 25 35 de...

Page 11: ...layed Tap the Update Calibration button When the calibration values have been stored this screen will be displayed Tap OK and then tap the Orange Arrow button to complete the calibration The BRx6 sensors are now calibrated If multiple BRx6 batteries are used steps 2 and 3 of the calibration process should be completed for each battery ...

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