Standard Horizon CP180 Owner's Manual page 24

This map shows offset for standard time. For daylight saving time, subtract one hour from the offset time.
1. Press [MENU]. Move the ShuttlePoint knob to highlight SETUP MENU and press [ENT].
2. Move the ShuttlePoint knob to highlight GENERAL SETUP and press [ENT] or move
the ShuttlePoint knob to the right.
3. Move the ShuttlePoint knob to highlight TIME SETUP and press [ENT] or move the
ShuttlePoint knob to the right.
4. Move the ShuttlePoint knob to highlight GPS TIME OFFSET and press [ENT] or move
the ShuttlePoint knob to the right.
5. Move the ShuttlePoint knob down to select +00:00, press [ENT] and move the
ShuttlePoint knob to the right to edit the number.
6. Look at the table and find the offset for your area. You will need to enter this offset to
make the GPS chart plotter shows the correct time.
7. Move the ShuttlePoint knob to the "+". Move the ShuttlePoint knob up or down to change
to the desired offset.
8. Next move the ShuttlePoint knob to the right to select Hours and move the ShuttlePoint
knob up or down to change the hour.
9. Repeat this method to change the minutes, if necessary.
10. Once you have the correct GPS time offset, press [ENT] to set.
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Figure 3.2 - Adjusting Time
NOTE
Figure 3.2a - Time Setup menu
CP180 / CP180i