To switch your UltraSync ONE off:
1. Press and hold the Select button until the following message is displayed:
Push Up/Dn twice to switch off
2. Press the Up or Down button twice to turn off the UltraSync ONE.
Note: If you do not press the up or down button twice within a 5 second
period, the UltraSync ONE stays on and the screen reverts to showing the
main display.
12 UltraSync ONE User Guide