User manual

18
Safety information
Please read this operating instruction ma-
nual thoroughly.
Under no circumstances complete any
repair work on it yourself.
Intended use
The RingFlash 250 is a signal alarm en-
hancer intended for connection to telepho-
nes, doorbells and smoke alarms. Other
uses are considered unintended use.
The RingFlash 250 is particularly suited
for installation in loud environments and
for people with hearing problems.
-
tion is not permitted.
Installation location
Prevent excessive exposure to smoke,
dust, vibration, chemicals, moisture, heat
and direct sunlight.
Power supply
Caution: Only use the power adapter
plug supplied because other power
adapter plugs could damage the equip-
ment. Ensure that access to the power
adapter plug is not obstructed by furni-
ture and such.
Safety Information