
1
Univox® HDA-2M
Digital to Analog Converter
Part No 281041
User Guide
Introduction
Thank you for having chosen a Univox® product. We hope you will be satised!
Please read this user guide carefully before installation and use of this product.
A digital to analog converter is a product that converts digital audio signals into
analog audio. It can be used if you have a loop amplier, wireless headset or
neckloop that does not have a digital input.
First, check that your audio equipment works properly and then turn it off before
installation.
The package contains
• HDA-2M digial to analog converter (1.)
• Optical cable (2.)
• Power adaptor (3.)
In some product packages there is also an audio cable included.
(1.)
(2.) (3.)

2
Overview
1. Remove the plastic cover from the
connectors on the optical cable.
Picture shows the
connectors when the
covers are removed.
2. Connect to Toslink input on the connector and to the TV. Use the Toslink/
Optical Output on the TV.
Connect the converter to the TV
Toslink / OpticalToslink
Optical cable
Optical cable Audio cable

3
Connect the converter to the mains power
1. Connect the power adaptor to the DC/5V on the connector and to the mains
power.
2. Connect the power adaptor of the loop amplier/transmitter to the mains
power.
Amplifier
Transmitter
Audio cable
Connect the converter to the loop amplifier (or the
transmitter of the wireless headset/neckloop)
Use the audio cable that was delivered with the loop amplier/transmitter or
was included with the connector.
1. Connect the red and white connector to the converter (R/L)
2. Connect to the input (3.5 mm) to the amplier/transmitter. The input is
marked IN or AUDIO IN.