KGP-920
Chapter 9
How to use LOPs
9.3 Correcting your position (LOPs)
You can compensate your GPS present position given by GPS in the following two ways:
• Enter the LOPs of your actual position using numeric keys.
• Enter the correction offset to use.
NOTE: The LOP correction is ineffective in latitude and longitude mode
NOTE:
Press to clear incorrect
Input. You can reenter
Numeric data.
CLR
NOTE:
Press to backspace the
cursor to correct an input
error.
9.3.1 Direct entry of actual position data
(Correction by Loran C LOPs data entry)
When your position is displayed in Loran C LOPs mode, you can correct it by entering the Loran C
LOPs correction offset.
(1) Press [
MENU
] key until Menu options 1 to 9 appears.
(2) Press [
5
] key to select “
5:COMP.
”.
(3) Press [
2
] key to select “
2:LOP
”.
(4) Enter correct (6-digit) LOPs of secondary station 1 using numeric keys.
(5) Press [
ENT
] key.
(6) Press [ ] key to move cursor to Loran C LOPs field of secondary station 2.
(7) Enter correct (6-digit) LOPs of secondary station 2 using numeric keys.
(8) Press [
ENT
] key.
Present position
Actual position (to be entered)
Correction position
Present position (GPS fix)
Actual position (to be entered)
Correction offset
Secondary st.1 35518.9 usec
Secondary st.1 35520.9 usec
Secondary st.1 +0001.1 usec
Secondary st.2 60387.5 usec
Secondary st.2 60386.0 usec
Secondary st.2 –0001.5 usec
(Correction by Loran A LOPs data entry)
When your position is displayed in Loran A LOPs mode, you can correct it by entering the Loran A
LOPs correction offset.
(1) Press [
MENU
] key until Menu options 1 to 9 appears.
(2) Press [
5
] key to select “
5:COMP.
”.
(3) Press [
2
] key to select “
2:LOP
”.
(4) Enter correct (5-digit) LOPs of secondary station 1 using numeric keys.
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