Yamaha TransAcoustic TA3 Owner's Manual page 16

Auto Power Off function
TA3 SH3 SC3
To prevent unnecessary power consumption, this instrument features an Auto Power Off function that automatically
turns the power off if the instrument is not operated for approximately 30 minutes. This function is enabled by
default.
NOTICE
When the instrument is communicating with other devices or Songs are being played back, the power will not be turned off
P
automatically. Make sure to turn off the power by pressing the [ ] (Standby/On) switch when the instrument is not in use.
Disabling the Auto Power Off function:
Turn the power on while holding down the lowest key. "PoF" appears on the display and the unit starts up with the
Auto Power Off function disabled.
Lowest key (A−1)
NOTE
You can also disable the Auto Power Off function by turning the power on while holding down the Menu button. To enable or disable
the Auto Power Off function while the power is on, set it in Function F8.1 (page 52).
16
TA3 SH3 SC3 Owner's Manual