11 
CONTENTS
Wireless Audio (540 only)
Any standard Bluetooth® headphones or earbuds can be 
used with the VANQUISH 540, however the use of aptX™ Low 
Latency headphones is recommended (such as the Minelab 
ML 80 wireless headphones) for optimum wireless audio 
performance�
Turn Bluetooth On/Off
Press the Bluetooth button to turn Bluetooth on or off� 
Long‑press the Bluetooth button (2�5 seconds) to initiate 
pairing� 
The Bluetooth button
If no connection is made within 5 minutes, Bluetooth will 
automatically turn off�
The Bluetooth icon appears on the display when Bluetooth 
is On� It displays the current Bluetooth connection status 
depending on its display state�
Rapid flashing: Detector is attempting to pair with 
Bluetooth devices�
Solid on: Detector is connected to Bluetooth/Bluetooth 
aptX‑LL headphones�
Slow flashing: The detector is attempting to re‑
connect with existing Bluetooth/Bluetooth aptX‑LL 
headphones (that were previously paired)
ML 80 Wireless Headphones
VANQUISH 540 Pro‑Pack is supplied with Minelab ML 80 
Bluetooth® headphones, powered by Qualcomm® aptX™ Low 
Latency audio� These headphones are also available as an 
accessory�
Minelab ML 80 Wireless Headphones  
(shown with charging cable and optional audio cable)
For detailed information on pairing and other controls, refer 
to the instructions supplied with the headphones�