Remove the CR2032 battery from the little bag, and insert it into the
battery holder. Make sure you are installing it with the writing up. As in
the photo (right):
Backup battery installation.
Connect a 9~12v DC power source to the DC barrel jack. You should see the LED display light up. Press mode
and set, and go through the menus. Set the time, and unplug the power.
Test Power-up