iBasso DX90 - Basic Operation; Power and Screen Management; Reset and Charging Procedures

DX90 User GuideUser Guide
7
Volume +:
Short-press to increase one step of the volume,
Long-press to continuously increase until its maximum.
Volume -:
Short-press to decrease one step of the volume,
Long-press to continuously decrease until its minimum.
Basic Operation:
Next/Fast Forward:
Previous/Rewind:
Play/Pause:
Short Press - Play/Pause.
Short Press - Replay previous track,
Long Press - Rewind.
Short Press - Play the next track,
Long Press - Fast forward.
Power on/off the screen:
Single press the power button to power on/off the screen after the DX90 was powered on.
Power on/off:
1. Press and hold the power button to power on.
2. After the DX90 is powered on, a long press of the Power button will display the shutdown
menu. Press OK to power off.
Reset:
When the DX90 stop unexpectedly during operation and the keys are no longer responsive,
press and hold the power button for 7 seconds to reset the DX90.
Reset also can be achieved by removing the battery.
Charging:
The DX90 can be charged by computer through the USB port, or any USB charger with 5V
output voltage and 1 A or above output current.
A full charge takes about 3 hours with USB charger and 5.5 hours with computer`s
USB port.