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Summary of Contents for GRI 290-1
Page 1
The G.R.I. 290-1 and 290-2 must be operated with a 12 volt externally supplied DC power source. If installed, the battery will perform a backup function should the external source fail. Both power sources have been designed to maintain a minimum sound pressure level of 85 dB.
Page 2
ONITOR 290-1 290-2 INSTALLATION INSTRUCTIONS: The G.R.I. 290 Series Door Monitor mounts easily to the wall next to any door which allows access to or from a controlled area. Using a closed loop magnetic reed switch, the unit will detect and announce an open access door by sounding a loud continuous alarm upon expiration of the delay time set.
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Do you have a question about the 290-1 and is the answer not in the manual?
Questions and answers