Set The True North Calibration - Oregon Scientific RA202 User Manual

SET THE TRUE NORTH CALIBRATION

When you do not know the declination angle, the true north
calibration function can be used to compensate for the
difference between magnetic and true north. All you need
to know is the direction of true north (this can be found from
landmarks in your immediate vicinity). Setting the true north
calibration makes the compass reading more accurate.
To set the true north calibration:
1. In any compass display screen,
press SET until the screen
opposite appears.
2. Press and hold SET to enter
setting mode.
3. Turn the compass to the position
of true north and press SET.
NOTE If the declination function is turned ON, the If the declination function is turned ON, the
true north function is automatically turned OFF and
vice-versa.
TO TURN THE BEARING TRACKING / DECLINATION
/ TRUE NORTH CALIBRATION ON / OFF
In any compass display screen press SET. Press + to
toggle between ON / OFF.
BACKLIGHT
To turn the backlight ON for 3 seconds:
1. Press .
2. Press any other key while the light is on and it will
extend the light time by another 3 seconds.
NOTE The backlight does not work when the low The backlight does not work when the low The backlight does not work when the low The backlight does not work when the low
battery icon is shown and will return to normal once
the batteries are replaced.
KEYPAD LOCK
To turn the keypad lock ON or OFF:
• Press and hold
ON and OFF. When it is set to ON the
appear on the display.
20
for 2 seconds to toggle between for 2 seconds to toggle between
icon will