D.T.M.F.

• Primary Decoder
  
  • Latched Relay Output
    
  • Call Light Output
    
  • Momentary Relay Output
    
  • Tone Alert Output
    
  • Decode Delay
    
  • Transponder Functions
    
  • Timed Latch Reset
    
  • Call Reset
    
  • Group Call
    
  • All Call
    
  • Group Call reset
    
  • All Call Reset
    
  • PTT Input
    
  • Transmit Time-out Timer
    
  • Busy Lock-out
    
  • Monitor/Reset Input
    
• PTT/TX Keying Select
  
• Secondary Decoder "User" Mode
  
• Latched Relay Output
  
• Transponder Functions
  
• Call Reset
  
• Secondary Decoder "Deadbeat Disable" Mode
  
  • Latched Relay Output
    
  • Transponder Functions
    
  • Deadbeat Disable Check
    
• Third Decoder "Remote Programming"
  
  • Distinct from Primary and Secondary Decoders and responds to a separate three (3) digit address.

Shown with optional plastic enclosure

• Primary Decoder
  • Latched Output
    
  • Call Light Output
    
  • Momentary Output
    
  • Tone Alert Output
    
  • Decode Delay
    
  • Transponder Functions
    
  • Timed Latched Reset
    
  • Call Reset
    
  • Group Call
    
  • All Call
    
  • Group Call Reset
    
  • All Call Reset
    
  • PTT Input
    
  • Transmit Time-out Timer
    
  • Busy Lockout
    
  • Monitor/Reset Input
    
  • PTT/TX Keying Select

For complete details see the NC401 Manual

• Easy interfacing
  
• Adjustable audio output
  
• Single tone capability for test and level adjustments
  
• Fits most hand held radios
  
• 12" colored flying leads
  
• Crystal controlled
  
• Operating voltage 5.5VDC to 24VDC
  
• Encodes all 16 Touch-tone characters
  

For complete details see the NC404 Manual

• Latched/Momentary Relay Output
  
• Call Light Output
  
• Tone Alert Output
  
• Decode Delay
  
• Transponder Functions
  
• Timed Latch Reset
  
• Call Reset
  
• Group Call
  
• All Call
  
• Group Call reset
  
• All Call Reset
  
• Transmit Time-out Timer
  
• Busy Lock-out
  
• Reset Input
• PTT/TX Keying Select
  

• Choice of operating modes: Manual or Automatic priority. (Alternate mode is easily accessed)
  
• A pause, stop, or change in data rate may be inserted anywhere within an A.N.I. or number memory.
  
• A.N.I. activation by "*" or "#" or PTT circuitry.
  
• Transmit time-out timer (0-120 seconds, Q disabled) with audible alert to limit transmission time.
  
• Busy channel lockout with audible alert to prevent transmitting on busy frequency.
  
• Microphone mute output to mute mic when encoding.
  
• User configurable PTT input, busy lockout input and PTT keying output.
  
• Four (4) line binary input for activation of eight (8) of the memories without use of a keypad.
  
• Special alarm status Mode: A memory designated by the user as an alarm code will provide the following features:
  
• User programmable rate and duration of alarm code repetition.
  
• PTT keying "hang" (enable/disable) to provide continuous monitoring of conversations or sounds via units microphone during alarm status.
  
• Alarm reset input terminates repeat cycle.
  
• Alarm delay provides a grace period before activation of alarm code.
  

• Field programmable by use of a standard D.T.M.F. Encoder or the optional NC500 Universal P.C. Programmer
  
• Decodes any combination of 16 D.T.M.F. characters
  
• Address length of 1 to 14 Digits - Primary Decoder
  
• E2Prom memory for nonvolatile storage
  
• Deadbeat disable
  
• Horn output
  
• Latched output
  
• Auxiliary output
  
• Group call
  
• All call
  
• Transponder
  
• Busy lockout
  
• Remote programming
  
• Address length of 1 to 14 Digits - Secondary Decoder
  
• Remote programming decoder (3 digits)
  
• Comes complete with color coded 3 ft. interfacing cable and connector
  

• Standard 2 of 8 D.T.M.F. signaling format
  
• Field programmable by use of a standard 12 or 16 button D.T.M.F. encoder, optional Local Control, Model NC500 Universal/P.C. Programmer or Option #4 Dedicated P.C. Programmer.
  
• Programmed data is stored in nonvolatile E2Prom memory and will remain regardless of power interruption
  
• Digit rate programmable from 0.5 to 20 digits per second (D.P.S.)
  
• Two operating modes: Manual Status and Autostat
  
• Automatic or manual status interrogation
  
• 10 modes of output operation in Manual Status mode
  
• 16 form "1A" relayed outputs with LED indicators (1 AMP @ 30VDC)
  
• 14 input sense circuits provide status monitoring of external conditions
  
• 3 programmable configurations for Power-on reset
  
• Optional Local Control keypad and circuitry for programming or control of local functions
  
• COR input for interrupt of active functions