JRC JMA-5206 Instruction Manual page 398

8 Enter the time.
9 Press [4] key.
10 Enter the time difference.
Exit 1
The time will be set. The multi-function control is also available for the entry.
After having enter the time, press ENT.
The Code Input Menu will appear.
The time difference will be set. The multi-function control is also available for the entry.
After having enter the value, press ENT.
Press [RADAR MENU] key.
The menu will be closed.
Attention
The "ZDA" sentence of NMEA0183 take presedence
of the above setting.
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