Campbell Scientific CR9000X Measurement and Control System - Manual (Page 15)

Quick Start
If you have set up the communication link correctly, you should see this
screen. Click on "Next".
The next window is for setting your logger's clock. You have the option to
enter an offset to account for a Time Zone difference between what your
PC is set to and the time zone where the logger will be located. Click on
"Set Datalogger Clock" and then "Next".
QS-7