10. How to use the D.MODE (Desktop Mode) and
super high gain mode on the M21?
The definition of Desktop Mode:
When D.mode switched turned on with USB inserted, the desktop mode icon will
appear on the M21 screen. At this time, the M21 is powered directly from the USB
port, without charging the M21 battery or consuming battery power.
Note:
1.If the USB power supply is insufficient, the battery will be required to supply
additional power.
2.When the battery level is below 15%, inserting USB will forcibly charge the
battery even it is in Desktop Mode (charging until the battery is full).
How to enable the D.MODE (Desktop Mode) on the M21?
When USB is inserted and D.MODE is displayed ON, it means the Desktop Mode
is enabled.
The definition of Super High Gain mode:
Super High Gain Mode is an option for Gain. When turned on the headphone will
have more power and greater voltage swing.
How to enable the Super High Gain mode on the M21?
1.Make sure the POWER in port is connected to a fast charging adapter that
supports PD3.0 or PD2.0.
2.Pull down the menu and select Super high gain in Gain option. Or select the
Super high gain option from Settings - Audio - Gain.
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