JRC JLR-7700MKII - Special Functions; Loran Time Difference Display

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JLR-7700 MK2 GPS Navigator
4.7 Special Functions
4.7.1 Loran Time Difference Display
The equipment can convert the latitude and longitude measured with the GPS into the Loran A or C time
difference if the Loran A station, Loran C station, or secondary station has been set.
Pressing the or key on the NAVIGATE screen, COURSE DEVIATION IND. screen, or PLOT screen
can convert the latitude and longitude into the time difference either by the Loran A or C.
4.7.1.1 Setting the Loran A Station
・ Press the INI key on the SAT STATUS screen to display the INITIAL SETTING screen.
Next, press the LRN key to display the REALTIME TD DATA screen (Loran station selection screen).
(1) Setting the Loran A station
・ Press the key provided on the right hand side of the LORAN A or LORAN C to highlight the LORAN
A as shown in the figure below.
Caution
Set the geodetic system to WGS-72 for the Loran C, and to Japan for the Loran A (See the item 4.4.2.1
“Setting the Geodetic System”) if the Loran time difference display function is to be used. The displayed
time difference tends to become erratic if other geodetic system is selected.
・ Press the key provided on the right hand side of the ST SELECT to select a value for a desired Loran
A station by operating the or key.
Then, press the ENT key to select another Loran A station in the same manner.
Memo
Any one of the following 10 Loran A stations can be set.
2S0, 2S1, 2S2, 2S3, 2S4, 2S5, 2S6, 2S7, 2H5, and 2H6