Widex T-Dex User Manual

User instrUctions

T-Dex

Table of contents

Package content 2

Functions 3

Setup 4

Wireless setup for mobile telephone 4

Installing neck loop 4

Operation 5

Indicators 5

Charging 5

Adjusting volume 5

Accepting an incoming call 6

Making a mobile telephone call 6

Rejecting an incoming call 6

Warranty 7

Test and approval 8

Warnings 9

FCC 11

Package content

T-DEX

Congratulations and thank you for purchasing T-DEX.
T-DEX is a hands-free, neck-loop solution for amplifying sound from your Bluetooth mobile phone. T-DEX has
been specially designed for people with impaired hearing who want to use a mobile phone hands-free – and
without any compromise in sound quality.

Power supply

2

Functions

R1: On/off switch, answering button, and Bluetooth
indicator

R2: Volume button +/- (up/down)
R3: Bluetooth and volume level 1 indicator
R4: Volume level 2 indicator
R5: Battery and volume level 3 indicator
R6: Volume level 4 indicator
R7: Volume level 5 indicator
R8: Headphones jack
R9: Neck loop jack
R10: Neck loop
R11: Charging jack

Button/diode/jack Functions

R1 Power on (hold for up to 5 seconds)

Power off (hold for up to 5 seconds)
Answering and ending mobile telephone calls
Blue light: Bluetooth active
Blue blink: Incoming call

R2+ (up)

Volume up

R10

R7
R5

R2

R3

R9

R8

R1

R6
R4

R11

R2- (down)

R3 Blue blink: Bluetooth not connected

R4 Green light: Volume level 2

R5

R6 Green light: Volume level 4

R7 Green light: Volume level 5

R8 Jack for headphones

R9 Jack for neck loop

R10 Neck loop

R11 Jack for charger

Volume down
Reject mobile telephone call (hold for 2 seconds)

Green light: Volume level 1

When in use

• Red blink: Low battery

• Green light: Volume level 3

When charging

• Red light: Charging

• Green light: Fully charged

3

Setup

Wireless setup for mobile telephone

Establishing a wireless connection between the Bluetooth mobile telephone and the T-DEX

1. Turn T-DEX on by holding down the receiver button R1 for up to five seconds.

2. Enter the mobile telephone menu to allow the mobile telephone to search for available Bluetooth devices.

3. Select the Bluetooth entry “T-DEX”.

4. Enter the pass code into the mobile telephone (0000). Select connect. A short beep will be heard in the

hearing aid or in the headphones.

5. Once the wireless connection is established, receiver indicator R3 stops blinking blue.

Please note:

• Once a wireless connection between T-DEX and a

T-DEX

2

3

R3

5

Bluetooth unit has been established the units will
automatically connect when they are within range of
each other.

• During telephone conversations, the receiver indicator R1

will illuminate blue indicating that the wireless connection
is active.

Installing neck loop

Neck loop and T/MT function on HA

In order to use T-DEX with hearing aids in T-position (telecoil), the hearing aid must be equipped with a telecoil
fitted by the hearing care professionel.

Installing neck loop

1. Detach neck loop R10 from receiver jack R9 by pulling the loop wire.

2. Place the T-DEX on the chest and place loop wire around the neck.

3. Reattach neck loop R10 to receiver jack R9.

4. Switch hearing aid to T (telecoil only) or MT (microphone and telecoil simultaneously) position.

Please note:

• Connecting headphones

R9

R9

R10

1

2

3

4

to the headphones jack R8
disconnects the signal to
the neck loop.