vibrations during transport may cause the adjustment spikes to move from their fully retracted position. There is risk of scratching
the installation base if the spikes are not fully retracted when installing the unit.
2.6 Cleaning
Use a soft, dry towel or cloth for cleaning. Never use any solvent or liquids as they may damage the surface treatment or
penetrate inside the unit.
2.7 Maintenance and service
The C1 D/A controller contains no user serviceable parts. Do not try to open, modify or repair your C1 by yourself. This will void
any warranty. Your C1 D/A controller must be checked by a qualified technician in any of the following cases:
• The unit is not functioning properly
• The mains cable or the power cord receptacle is damaged
• The unit has been dropped to the floor or presents external damage
• The C1 D/A controller has been exposed to liquids (such as rain) or unknown substances
16 C1 User Manual Rev 1.9