A:
If you wish to change this auto-on behavior you may switch between the standard automatic wake-up/standby mode, and a manual power
on/standby mode. To change from one to the other, press-and-hold the front panel Power key X for three seconds. The power key LED will flash
bright for three seconds, then illuminate steadily for three seconds, and then turn off, indicating you have changed to manual power mode.
Each time you repeat the Power-key X press-and-hold, it will change to the other mode. In manual power mode the DHT-S514 is turned on, or
standby, with a momentary press of the Power key X.