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JLR-7700 MK2 GPS Navigator
(3) Correction to the Loran C time difference
・ The Loran C time difference to be displayed can be corrected.
Press the key provided on the right hand side of the TD CORR, then, enter the correction value.
Example) In case it is necessary to correct the TD1 by +0.5 μ s and TD2 by -1.1 μ s.
Press the 0 , 5 , and ENT keys.
Then, press the +/- , 1 , 1 , and ENT keys.