
The power supply connector is 5.5mm/2.1mm x 13mm long, center positive. Do not connect the power supply to an electrical outlet controlled by a wall switch. It is normal for the power supply to become warm during use. An optional 12VDC nominal, 1.5A fused source may also be used. 3. TIME SET: Briefly press and release this button to advance the hands in small increments. Press and hold this button to continuously advance the clock’s hands. Release the button when the clock is set properly. Be su