How are the buttons and controls used on the TREK Max? 

Operator Panel for TREK Max (Top side of speaker) 

Power Button:  Press to turn the power on or off.

Power Indicator:  Indicates battery level and charging status.

•  Amber - Power on, full charge 
•  Red blinking - Needs charging 
•  Red - Charging

Volume Buttons:  Press to set the desired volume level.  Indicators show level. 

Bluetooth Button:  Press to manually set up the Bluetooth mode.  To make the unit "discoverable," press and hold for 3 seconds until a "beep" is heard and the indicator begins fast blinking.  If unable to connect within 2 minutes, the indicator will revert to slow blinking. 

Phone Button:  Press to answer on incoming phone call.  Press the Phone Button twice to end the call. 

Skip Buttons:  Press the Skip/Search once to skip forward or backward through songs.  Press and hold to search rapidly. 

Play/Pause Button:  Press to pause playback.  Press again to resume playback. 

NFC Logo:  The TREK Max has NFC (Near Field Comminication) capability.  Devices, such as smart phones and tablets, with this feature can be Bluetooth paired by touching them together or bringing them into close proximity.