Japan Radio Co. JLR-7900, Instruction Manual

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4.13.7 Initializing the GPS
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GPS initialization can be performed.
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An overview of submenus on the GPS initialization screen is as follows.
(1) LATITUDE: Enter the approximate ship latitude.
(2) LONGITUDE: Enter the approximate ship longitude.
(3) HEIGHT:
Enter the estimated height above the draft line of the sensor. This height is used
in 2D positioning. It is not used in 3D positioning.
(4) DATE: Enter the current date in UTC.
(5) TIME: Enter the current time in UTC.
When you perform initial setting, be sure to carry out all item input.
1. Refer to "4.15.1 Change to a maintenance mode" and display the maintenance menu.
2. Press the key to select "SENSOR" and "INITIALIZATION."
3. Press the key to select the items to be set, enter each value, and press the key.
4. Press the key to select "SEND", and press the key.
Procedure