C550 – How to adjust and update the clock

You can update the clock and change time zone using menu item 16 “Adjust clock”. If the GPS atomic clock is not displaying the correct time, you can offset it to match your current time zone.

Go to menu item 16 “Adjust Clock”
Available options: OFF, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, GMT, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5 ,5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, OFF

GMT is shown as 00 on the display.
UK customers should select “00”, or “01” during Summer Time.
US, Canada customers should normally select a value between “- 5″ and “- 8″.
Australia customers should normally select a value between “8” and “09_5″, which represents +9hrs 30mins.