Analog Helium Unscramblers

Analog Helium Unscramblers

The Amron Helium Speech Unscrambler accommodates a wide range of operating depths. Two modes of operation have been incorporated. The first mode samples and replays the speech in a fixed pattern which lends itself well to the 300 FSW (100 meters) range. The second mode samples and replays the speech in a complex pattern stored in a solid state permanent memory device (EPROM).

AC Power

With automatic battery backup power. Rechargeable Gel-cell type battery automatically recharges while operating the unit. The voltage is automatically selectable for 110 or 220VAC, 50 or 60Hz, with built-in isolation transformer. Shipped complete with backup batteries and manual.

Tech Note

All communicators will transfer topside noise to the diver when using the radio speaker only. To eliminate background noise and achieve clear concise communications, use a push to talk microphone or a headset or a remote walk and talk with headset.

Panel Controls

  • Air-helium: Switches HSU in or out of the communication circuit
  • Tone: Controls the diver's voice patterns and microphone performance Mode: Controls the logic of the HSU by way of two modes, ranging from surface to 600 FSW and 300 to 2000 FSW

Simplex Mode
Tender's push-to-talk switch interrupts signals from the diver

Simulcom Mode
Tender hears the diver at all time
Headset use to monitor HeliOx speech is recommended to enhance intelligibility

Specifications -Portable

  • Power: 110/220 VAC 50/60 Hz(automatic), or internal/external batteries 12 VDC
  • Audio Power Output: 22 Watts per channel
  • Frequency Response: 300Hz to 12kHz
  • Isolation Transformer: Split Bobbin
  • Backup Battery: 12VDC, Slide terminal Gel-cell (1 ea.)

Dimensions - Portable

  • Height: 9 in (22.9 cm)
  • Width: 14.5 in. (36.8 cm)
  • Depth: 10 in. (25.4 cm)
  • Weight (Approx.): 22 lbs. (9.98 kg)
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