Declination Compensation; Declination Display - Vectronix USMC VECTOR 21 Operating & Operator Maintenance Instructions

Declination compensation

Declination represents the
deviation between magnetic
north and grid north.
Declination
• varies from location to location
• varies from time to time
• is specified on most land and
sea maps
To refer the azimuth angle to
grid north: enter the local
declination value into the
VECTOR.
To refer the azimuth angle to
magnetic north: enter a zero
declination value into the
VECTOR.
VECTOR ™- USMC VECTOR 21-V.0.3

Declination display

3x
Click the azimuth key three
times in rapid succession.
The current declination value is
displayed for 10 seconds.
The VECTOR displays "Old
dECL" before switching itself off
(the declination value is
unchanged).
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Declination is displayed in the
currently selected angular units
(see page 32).
The stored declination
i
value
• is reset to 0 when the meas-
urement units are changed
(see page 32);
• is retained when the battery is
exhausted or replaced;
• is factory-set to 0.
Settings