
20
Classic PRE
User Instructions
Factory settings
You can restore the configuration of your preamplifier to
the factory original settings, changing the input names to
those listed above, setting the display mode to ‘small input
names’, setting all input sensitivity trim settings to 0dB and
enabling Auto-Standby.
To restore the settings, first disconnect the power cord from
the preamplifier. Hold down the setup key on the front
panel and re-connect the power cord.
Firmware updates
The operational firmware may be upgraded from time to
time to add new features and to fix operational issues.
New firmware versions will be available from the ‘Support’
pages of the Cyrus website www.cyrusaudio.com.
If new firmware is available, this will be packaged with other
documents including -
• Firmware version change log.
•
Latest firmware update procedure.
•
Revised handbook (if required).