Sony ZRD-1 Operating Instructions Manual page 14

Entering the forced standby mode
If the controller PC hangs, for example, you can force
display controllers and display units into standby mode.
1
Press and hold the power switch on the display
controller for at least 5 seconds.
The forced standby mode is entered, and the POWER
indicator lights red.
2
Press and hold the power switch again for about
2 seconds.
After the POWER indicator blinks red/orange, the
normal standby mode is entered.
The display units will also enter the normal standby
mode.
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