Press Preset to set the U8903B
to a known state.
It does not affect the I/O
configuration, calibration data,
or system configurations
(time, date, model number, and
serial number).
Press Shift on the CHANNEL/
DATA panel, and press Utility to
activate or deactivate the
U8903B help mode.
The help mode icon will appear
at the top-right of the title bar.
The U8903B help mode
provides you quick access to
the operating information by
displaying the description of all
the front panel keys and
current softkeys.