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• Alert messages can be originated from a remote location with a telephone DTMF keypad.

• 5 bi-directional RS232 inputs/outputs for computer modem, remote sign board, character generator and auxiliary panel

• 6 Audio inputs on standard models.  All audio inputs and outputs are transformer isolated from encoder-decoder board.

• Manual or automatic mode keypad selectable.

• Automatic interruption of stereo program lines when pre-selected header code is received while in automatic operation for insertion of alert message on transmitter.

• 2 minutes of digital audio storage (5 khz)

• 5 programmable relays to supply contact closures to handshake with automation equipment or signal other equipment.

• 25 pin parallel printer port for external printer to keep E.A.S. log.

• An auxiliary balanced 600 ohm output through a co-axial BNC fitting to either go directly into the FM exciter or modulate a second transmitter.
  

• Alert is displayed on a 4 line 40 character backlighted LCD display for rapid interpretation of alert message. Alert message can also be scrolled on a remote sign board, a computer screen or with a character generator on a video monitor.
  

• 20 key keypad to construct alert messages header code, set modulation levels or set input levels. Header codes can be edited or dumped on practice runs.

• Can have 1 or 2 password codes. One for composing a header code and another that will be known only by those who will be adjusting the equipment.
  

• The complete required weekly test, the end of message code, sending a stored alert or sending a composed header can be done from either the keypad on the encoder-decoder or with a remote push button in the "on-air room". If you choose to just forward the header code and the E.O.M., the audio portion of the message can be deleted from either the keypad or a remote push button in the "on-air-room".
  

• Automatic reset of decoder after 2 minutes.
  

• The stored audio message can be routed to the speaker for review so that the urgency of the message can be gauged. The message can then either be cancelled or sent on.
  

• Will operate over audio input levels from 0.14 V to 2 V R.M.S.
  

• Diagnostic information can be printed out on a printer if unit is malfunctioning and can be faxed to us for analysis.
  

• Quality 2 1/2 inch 8 ohm front panel QUAM speakers for clear audio.

• Non-volatile memory and non-volatile voice storage.
  

• 4 layer board with all signal traces on top and bottom and all IC's mounted in sockets for ease of repair.
  

• Unit has a CMOS EPROM 32 PIN 1MB (128 K x 8) for future changes.