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CONNECTING HEADPHONES
The MDLink wireless audio system
allows you to choose one of 4
channel options.
1 Plug your headphones into a 6.35 mm
headphone jack on the MDLink module.
2 Turn on the detector and the module
(sequence doesn't matter).
3 Quick press to step through the
channel selection.
4 Activate the transmitter (TRANS) in the
Settings Menu by setting it to the same
channel as the module. Once the
detector and the module are
successfully paired, you will hear a beep
sound and the LED light will flash
constantly.
5 Use the / buttons on the
module to adjust the volume to your
preferred level.
6 Attach the module to a breast pocket or
a belt.
If two MDLink wireless audio
systems are located close to each
other, they need to operate on different
channels to eliminate mutual
interference. If the transmitter is
disconnected from the module (due to
the channel change or connection loss),
you will hear a disconnect signal while
the current channel LED indicator will
blink in a repeating pattern.
Module Charging / Low Battery Warning
How to connect your headphones to the MDLink module:
The MDLink module contains a rechargeable Li-Ion
battery and a built-in charge controller.
To charge the battery, you need to plug one end of the
USB/mini USB cable (supplied) into the mini-USB output
on the module and the other end into the USB power
adapter (supplied) or a power bank (not supplied).
While being charg
ed, the LED light will flash blue. Once
charging is complete, the LED will turn off by itself.
When the module is turned on, the channel LEDs will
flash briefly. Depending on the number of LED lights, you
can get a rough estimate of the battery charge level (each
LED represents 25%):
• One Light = 25%
• Two Lights = 50%
• Three Lights = 75%
• Four Lights = 100%
When battery level drops to roughly 5%, the battery
LED on the module will start blinking red and you will
hear a warning beep in your headphones.
When battery level approaches roughly 2%, the LED
indicator on the module will be flashing red constantly
and the beep will sound every 30 seconds until the
battery is fully discharged.
There are 10 levels of volume control.
Once the maximum or minimum volume
is reached, you will hear a low pitch
sound indicating the upper or lower
volume limit.
After turning off the MDLink power
button, the current channel and volume
level will remain in the module’s memory.
Volume
Control
Channel Switch
Power
Button
Battery
Status LED
Channel
Indicator LED
6.35 mm (1/4’’)
Headphone
Socket
Charging
Socket
