
MDP-621/641/640
Chapter 10
Operation manual
MENU operation
10.2.4 Correction
The magnetic correction, the magnetic source, the magnetic correction value and the value of the
water temperature sensor and the speed sensor correction are all set via “3 Correction” of the System
menu.
(1) Turning the magnetic correction ON/OFF
Open the System Menu
→
3 Correction
→
0 Magnetic azimuth setting selection.
0
1
2
3
4
5
6
7
8
9
Cursor Type
Area Set
Simulation
Lan
a
gu ge
Netw r
o k Setup
Sys m
te Check
0
1 Mag
n
ce
etic Sour
2
3
Magnetic Set
Water Te
mp
0
1 ON
4 Boat Speed
OFF
Magnetic
Magnetic
Correction
Correction
Source Set
Display
Buzzer Set
SYSTEM
OFF: Magnetic is set OFF.
ON: Magnetic is set ON.
(2) Setting the magnetic source
Open the System Menu
→
3 Correction
→
1 Magnetic Source and either NMEA Input, Calc. from
L/L or Manual.
0
1
2
3
4
5
6
7
8
9
Cursor Type
Area Set
Simulation
Lan
a
gu ge
Netw r
o k Setup
Sys m
te Che
ck
0
1
2
3
Magnetic Set
Water Temp
4 Boat Speed
0
1
2 Manual
Calc. from L/L
NMEA Input
Magnetic Source
Magnetic Source
Magnetic
Correction
Correction
Source Set
Display
Buzzer Set
SYSTEM
NMEA Input: The magnetic variation in the NMEA sentence is used.
Calc. from L/L: The value is used by the calculation for the magnetic variation.
Manual: The value of "Magnetic set" of the menu is used as a magnetic variation.
0093161022-06
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