To install the adapter Remove the cover from the battery compartment located on the back of the clock In the space to the left of the battery slots, locate a round socket just to the left of the reset button: Insert the small round adapter plug into this socket Push the plug firmly into the socket. Rotate the black plug so that the whole plug is inside the socket compartment Thread the cable through the opening labeled "DC 3V. " This will ensure that the battery cover can be replaced and make the power adapter plug less likely to accidentally unplug Replace the battery compartment cover. Plug the electric plug into a wall socket Your Time Machine Projection Clock is now ready for use. Low Battery Indicator When you need to replace your batteries, the Low Battery will appear (BATT in the upper right corner of the LCD panel). When this appears, change your batteries in order to keep the clock functioning. To see the time in a different time zone: Press ZONE until the desired zone is indicated on the display panel. The correct time for that zone will automatically display CAUTION: Do not press and hold the ZONE button for more than three seconds. Press and release the ZONE button to advance the time zone one step. If you press and hold the ZONE button, it will deactivate the automatic time signal reception (if this happens, remove and replace the batteries to activate the radio signal receiver)...