User guide

Operation

Adjusting volume

1. Press receiver button R2+ (volume up) or R2- (volume down) to set comfortable listening level.

2. The receiver indicators R3 to R7 illuminate depending on volume level.

R2+

R2-

Please note:

• The maximum volume level has been reached if all five indicators R3 to R7 are illuminated. If the signal is still too

weak, adjust the volume on your mobile telephone or contact your hearing care professionel for adjustment of the

telecoil in the hearing aid.

Indicators

Below you can see an overview of the light indicators on T-DEX

Flashing blue (R1): Incoming call

Blue (R1): Wireless Bluetooth call activated

Flashing blue (R3): No Bluetooth connection

Green (R3-R7): Volume level

Flashing red (R5): Battery low

Charging

If the T-DEX light indicator R5 flashes red during operation, or if the unit cannot be turned on, T-DEX

requires recharging.

1. Connect the power supply wire to T-DEX’s jack R11.

2. Connect the power supply to a power source and turn on.

3. The light indicator R5 lights continuously red during recharging.

4. When T-DEX is fully recharged, light indicator R5 lights continuously green.

Please note:

• We recommend fully charging

batteries before use, however,

partly charging the units does

not inflict damage to them.

R11

Charged

* Plugs vary from country to country.