Hi the details are below.
Hope it helps
I have added a link for the manual at the very bottom, Good luck with it.....
Adjusts the systems clock. The time difference
(+, -) between the time originally set in your navigation system is set here.
You can also select summer time On/Off.
> Time settings, (See page 131)
Choose whether or not to take summer time into
Summer time is taken into account.
Summer time is not taken into account......
When the period of summer time comes, or
when the summer time ends, your navigation
system does not automatically change the
summer time setting.
> Change the summer time setting, (see Page 131)
To set the time difference, touch "+" or
The time difference between the time originally set in the navigation system (Pacific
Standard Time) and the current location of
your vehicle is shown. If necessary, adjust the
time difference. Touching "+" or "-" changes
the time difference display in one-hour increments. The time difference can be set from
+3 to -3 hours.
If necessary, set to summer time.
Daylight Saving Time (DST) is off by default.
Touch "Off" to change the time if you are in
the daylight saving period. This turns the display below summer time "On".
9 To complete the setting, touch "Back".
The map of your surroundings appears.
This completes the setup of your navigation system. Chapter 1 explains the basic operation of
your navigation system.
> To change the time later, (see page 75)
The link to manual here:- http://www.pioneerelectronics.com/pio/pe/images/portal/cit_11221/417273154AVICD3OperationManual0221.pdf