Slots in the instrument cover are provided to allow ventilation
for heat dissipation. To ensure safe, reliable operation, these
openings must not be covered or blocked.
If any of the following events are noted, immediately disconnect
the unit from the outlet and contact qualified service personnel:
1. If the power cord becomes frayed or damaged.
2. If liquid has been spilled into the device or if the device
has been exposed to rain or water.
CMS-16 / CMS-8 User's Guide