Assistive Listening Knowledge Base
  • Manufacturer installation and user guide

Portable Loop IL-PL20: Installation & User Guide

  • Contacta Systems Ltd

Manufacturer (Contacta Systems Ltd, maker of the portable loop described)

Summary

Instructions for a rechargeable desktop loop used for short conversations, including orientation, listener distance, charging and external microphones.

Key findings

  • Describes the IL-PL20 as a portable desktop loop for conversations between two people, movable between rooms (page 4).
  • Places the unit between staff and the listener, with the built-in rear microphone facing staff and the front T-symbol facing the listener; the listener should be no more than 1.2 m away (pages 5-6).
  • For unclear reception, asks staff to check charge, reposition the unit, check that the listener has selected the T setting and check hearing-device volume. An inactive telecoil or a fault in either device may prevent reception (page 6).
  • For conversations involving more than two people, recommends a large-area loop, or an external boundary microphone if that is unavailable. The boundary microphone is placed towards the speakers; connecting an external device disables the internal microphone (page 7).
  • States approximately four hours of operation from fully charged batteries; the unit can charge while operating, and should be left connected to the charger with its switch off when unused. An intermittent red light indicates low battery (page 8).

Limits

Instructions for one model, not an independent performance test. The distance and battery duration are manufacturer statements, without a measurement protocol or listener sample. The cover says March 2017; the later upload directory is not the publication date.

Read the original

www.contacta.co.uk/wp-content/uploads/2019/03/IL-PL20-Portable-Loop-Installation-User-Guide.pdf

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Cited in

Cite this source

Contacta Systems Ltd. Portable Loop IL-PL20: Installation & User Guide. March 2017. https://www.contacta.co.uk/wp-content/uploads/2019/03/IL-PL20-Portable-Loop-Installation-User-Guide.pdf (accessed 13 October 2026).

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