La Crosse Technology XG-20 Compass Mode Magnetic Declination Compensation, Example

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11.3 Compass Mode - Magnetic Declination Compensation

magnetic

 

 

declination

true north

 

238 W

true

magnetic

08

bearing

north

 

 

3008

 

 

object B

 

 

magnetic

 

 

bearing

 

point A

3238

 

Compensate the Bearing at a place with

Westerly (W) Magnetic Declination

 

magnetic

true north

declination

228

E

08

 

 

 

 

magnetic

object B

 

north

 

 

 

 

true

 

 

bearing

 

 

3008

magnetic

 

 

bearing

 

point A

2788

Magnetic Declination Compensation

- Compensate an object's bearing by subtract westerly ( W ) m a g n e t i c d e c l i n a t i o n o r a d d e a s t e r l y ( E ) magnetic declination with the magnetic bearing.

Example 1

-238 Westerly magnetic declination and the compass needle points 3238.

-The bearing will be 3238 (MB) - 238 (W) = 3008 (TB).

Example 2

-228 Easterly magnetic declination and the compass needle points 2788.

-The bearing will be 2788(M) + 228(E) = 3008 (TB).

- XG-20will compensate the compass bearing

w h e r e v e r t h e m a g n e t i c d e c l i n a t i o n i s e i t h e r Westerly (-ve) declination or Easterly declination (+ve) automatically, if the user inputs the magnetic declination angle of the city which is close to the user's current location during the calibration.

-Check the 'Calibrating the Compass' section for more details on the calibration.

Compensate the Bearing at a place with

Easterly (E) Magnetic Declination

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Contents XG-20 Introduction Parts and Its Functions Major Function Modes Current Time Mode Current Time Mode Current Time & CalendarTo Set the Current Time and Date Current Time Mode Setting Current Time & CalendarSetting Procedures To Set the Chime ON/OFF Alarm Time Mode Setting the Alarm and Chime On/OffAlarm Time Mode To Set the Alarm ON/OFFTo Set the Alarm Time Alarm Time ModeSetting the Alarm Time Chronograph Mode Chronograph Mode Chronograph All Zero ModeTo Start/Stop the Chronograph Chronograph Mode Start/Stop the ChronographTo Reset the Chronograph To Record Lap Memory Chronograph Mode Record Lap TimeTo Reset Lap Memory To Recall Lap Memory Lap Memory Recall Mode Recall Lap TimeLap Memory Recall Mode Countdown Timer Countdown Timer Mode Countdown Timer ModeSetting Procedure Countdown Timer Mode Setting the TimerTo Set the Countdown Timer To Reset the Timer Timer Mode Using the TimerTo Use the Timer To Start/Stop the Pacer Pacer Mode Pacer ModePacer Mode To Set the Pacer Rate bpm Pacer Mode Setting the Pacer Rate bpmDual Time Mode Dual Time Mode Dual Time ModeTo Set the Dual Time Dual Time Mode Setting the Dual TimePrecautions when Using XG-20 Compass Mode The PrecautionsCompass Mode Compass Mode Compass ModeWhat is Magnetic Declination Compass Mode Magnetic DeclinationExample Compass Mode Magnetic Declination CompensationNo. Country/Place Major City Declination Compass Mode Magnetic Declination at Major CitiesTo Calibrate the compass Compass Mode Before Calibrate the CompassCompass Mode Calibrating the Compass Digital Bearing Compass Mode Compass Points and Digital BearingsDirection of an Object Compass PointsMarks Compass Points Digital Bearing Directions Compass Mode Compass Points versus Digital BearingsMeasure Compass Directions Compass Mode Measure Compass DirectionsTo Select Normal Bearing and Backward Bearing Compass Mode Backward Bearing DirectionBackward Bearing Directions To Lock/Unlock the Compass Lock Compass LockCheck your position by Backward Bearing Compass Mode Application of the CompassDuring the Track To Check the Track Course CorrectBefore the Track Auto-Light Indication Low Battery Indication & Auto-Light IndicationLow Battery Indication Specifications Warranty Information

XG-20 specifications

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