【Call up the menu】 If the display is off, please press the power button on the side to wake it up. (1) Activate menu: While the device powers on and is not on the menu page, hold the volume knob for about 2 seconds. (2) Exit menu: On the menu page, hold the volume knob for about 2 seconds. (3) Return to the previous menu step by step: On the menu page, hold the volume knob to return to the previous menu; short press to enter the next menu or confirm. (4) Confirm menu: Short press the knob on the menu page. (5) Switch submenus: Rotate the knob on the menu page. 【Introduction to the submenus】 (1) Gain: supports, Low, Medium, High and Over-ear headphone gains. In DC-powered mode, it can enable Ultra High Gain. (2) Single-ended output: LO or PO (3) Balanced output: LO or PO (4) Line-out volume: adjustable or fixed volumes (5) Max volume: self-defined from 20 to 120 levels, invalid to fixed volume under line-out output (6) Enable Ultra High Gain: set to auto-on or enable it manually (7) Filter: original 7 filters of the DAC chip (8) Dimmer: adjustable brightness 1~5 levels (9) Screen timeout: adjustable 5-30 seconds (10) USB mode: UAC1.0- driverless mode; UAC2.0: high bit-rate transmission mode (11) Language/语言: switch between Chinese and English (12) Factory reset: clear configuration record; the Q7 will turn off after factory reset (13) Firmware version: Check the firmware version of the Q7; the XMOS version should be checked on the driver panel of your computer