Instruction manual

ACU-1000 Operations Manual
10 Interoperability Now
Glossary
control signals over an IP-based network,
RX
Receiver or Receiving.
Slot
A physical location in the ACU-1000 chassis where a module can be inserted.
SNR
Signal-to-Noise Ratio.
Squelch
A means of detecting audio and causing some action when it is present, such as keying a
transmitter or unmuting an audio path.
TX
Transmit or Transmitter.
VMR
Voice Modulation Recognition. A type of squelch, which is activated only by spoken words and
not by tones, noise, or other audio information.
VOX
Voice Operated Xmit (Transmit). A circuit or algorithm, which causes a transmitter to key or
some other action when voice is present. This squelch type is activated by any audio signal, and
is not restricted to voice only.
WAIS
Controller
Intuitive, icon based control program for operating a Wide Area Interoperability System, with
multiple JPS ACU and NXU devices interfaced by an IP Network. Provides full control &
configuration capabilities. Compare with ACU Controller.