
Document #
1081243126052
MINI RECEIVER
Installation and Operation Manual
Model # MR1214-MC
418 MHZ RECEIVER

General:
The Mini Receiver is a 418 MHz wireless alerting device equipped
with 24 hour battery backup. Main Power is supplied using a
Silent Call 18 watt AC/DC Wall mount Adapter P/N 890007-2. The
Mini Medallion Series Receiver can store up to 20 from a possible one million, Silent Call 418 MHz Medallion Series transmitter
address codes.
Installation:
Installing the Mini Receiver consists of locating it where it can be
noticed most effectively by the user. Plug the AC/DC wall mount
adapter into any standard household 110VAC 60Hz outlet. Insert
the adapters DC barrel plug into the Mini Receiver Barrel Jack
Labeled “Power”. Slide the power switch to the ON position and
confi rm the Power ON GREEN LED is illuminated under the top
strobe lens. The receiver is now ready to be programmed.
Programming:
NOTE: All Medallion Transmitters will be required to be pro-
grammed to your new receiver.The receiver leaves the
factory with the memory cleared.
Apply power to the receiver as described in the Installation section.
With the receiver powered, press and hold the program button
located at the back of the receiver case. All display icons will illuminate. Continue to hold the program button until the icons goes
out (about 3 seconds) and then the GREEN PHONE icon blinks 3
times. Release the program button. The receiver display icons
will come back on to indicate that the receiver is now in program
mode. The receiver will remain in program mode for approximately 30 seconds, and the display icons will start to go out to
indicate the program time remaining. While in program mode,
the transmitter you wish to program must be activated (Trans-

mitting) for the receiver to memorize the code of the transmitter.
The transmitter can be activated by pressing the test button on
the corresponding transmitter. When the receiver receives the
transmitted signal, it will memorize the code. The receiver should
activate and fl ash the top strobe light, and the appropriate display
icon will illuminate.
Programmed transmitter codes are retained in memory even
when the power is removed.
Erase memory:
To erase all programmed codes:
All Erase – Press and hold the program button, the Display icons
will come on for about 3 seconds, go off and then the GREEN
PHONE icon will blink 3 times. Continue to hold the program
button an additional 3 seconds until the icons scroll in a counterclockwise direction several times indicating all previous learned
transmitters that were stored in memory have been erased.
Release the program button and all previously learned transmitter
codes will have been successfully erased.
Battery Backup Mode:
In the event of a main power loss or failure of the wall adapter,
the Mini Receiver will automatically enter into the battery backup
mode. The Mini Receiver has been tested to provide at least 24
Hours of Battery backup operation with 15 minutes of Alerts.
Located under the top strobe lens cover is an AMBER LED. The
AMBER LED will blink once every 10 seconds, indicating Input
DC power loss to the receiver and it is operating on the back-up
battery. The AMBER LED will blink at a one second rate once the
back-up battery has reached minimum operating voltage. Operating the receiver during a low battery indication is not recommended.
IMPORTANT: The Mini Receiver will need to charge two hours for
every hour in Battery backup mode or a full 40 Hours after low
battery indication to ensure complete battery recharge.