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UDR-204(C) Operation manual Revision 3.0
To prevent fire or shock hazard, do not expose the unit to rain
or moisture.
The symbol is intended to alert the user to the presence of important operating and
maintenance (servicing) instructions in the literature accompanying the unit.
The symbol is intended to alert the user to the presence of uninsulated "dangerous
voltage" within the product's enclosure that may be of sufficient magnitude to constitute a
risk of electric shock to persons.
Warning
-- This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial environment.
This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used
in accordance with the instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference in which case
the user will be required to correct the interference at its own expense.
Warning
– If TIMEKEEPER NVRAM IC that is consist of RTC, SRAM, POWER-FAIL CONTROL
CIRCUIT and BATTERY is replaced, the replacement is to be done by a trained technician with the
same type of component.
Caution
-- Any changes or modifications in construction of this device which are not expressly
approved by the party responsible for compliance could void the user's authority to operate the
equipment.
Warranty will be made void if the product is disassembled or manipulated by the user.
WARNING
