Shenzhen Meian Technology MD-209R User manual

Current: static ≤10uA, alarm≤15mA (433MHz)
MD-209R Wireless Door Sensor

The detector checks its batteries conditions automat-
icaiiy. If it is necessary to replace its batteries(reco-
mmend 12 months), the detector will inform the sys-
tem about the need for new batteries. If a low battery
is indicated,it should be replaced as soon as possible
(in a week). Use only alkaline AAAbatteries for
replacement.After replaced new batteries the detector
will be in testing mode and each triggering will be
indicated by detector’sLED. Five minutes after the
cover is closed, the detector will automatically enter
the normal mode and its LED indicator will be
switched off (battery energy saving function).
6.System limited
Our wireless products are reliable,while in certain
situation,our system will be limited, the situation
can be some one as below;
1.When the control panel is not stable, it may lead
to signal sending not success.
2.Undervoltage of the remote controller,etc.
For any requirement for help,please contact with
our company
Note:without getting permission from corresponding person
to change the products at will,may lose the right of using this
product
FCC WARNING
Changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to
operate the equipment.
This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to Part 15 of the FCC
Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This
equipment generates uses and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in
a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the
following measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different
from that to which the receiver is connected.
-- Consult the dealer or an experienced radio/TV technician for
hel p.
The detector checks its batteries conditions when the
batteries in low voltage then it will transmit signals to
warning users to replace the batteries. It only transmit
once to warn users.