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1. OPERATION
1-26
1.12 Choosing Position Data Format
Position may be shown in latitude and longitude or Loran/ Decca TDs. Choose
L/L position format and Loran/ Decca chain and station pair as follows:
1. Press the [MENU] key once or twice to display the main menu.
2. Select TD SETUP and then press the [ENT] key.
TD SETUP
DISPLAY : XX.XXX'
LORAN C : 7980: 23-43
∆TD1 +00.0 ∆TD2 +00.0
DECCA : 25: G-P
∆TD1 +0.00 ∆TD2 +0.00
LORAN A : 2S3-2S4
∆TD1 +00.0 ∆TD2 +00.0
TD setup options
3. Select DISPLAY and then press the [ENT] key.
XX.XXX'
XX'XX.X"
LORAN C TD
DECCA TD
LORAN A TD
Position format options
4. Select appropriate option and then press the [ENT] key.
XX.XXX’: Shows latitude and longitude position with no seconds.
XX’XX.X”: Shows latitude and longitude position with seconds.
LORAN C TD: Displays Loran C TDs.
DECCA TD: Displays Decca TDs.
LORAN A TD: Displays Loran A TDs.
5. If you selected one of the latitude and longitude options go to step 6. For
“LORAN C TD”, “DECCA TD” or “LORAN A TD” do the following to set chain
and station pair:
a) Press the [ENT] key.
b) Press ▲ or ▼ to set chain (See page M-3 or M-4).
c) Press ► followed by ▲ or ▼ to set station pair.
d) Press the [ENT] key.
e) If desired you may enter an offset for TD1 and/or TD2 to refine Loran/ Decca
position. Select ∆TD1 (∆TD2) and then press the [ENT] key. Use ◄ or ► to
select location, and press ▲ or ▼ to enter value or switch from plus to minus
and vice versa.
f) Press the [ENT] key.
6. Press the [MENU] key twice to close the menu.