1.System navigation
Gesture, 2-button and 3-button navigation are available.
2.Power-off timers
Sleep: when the set time is up, the JM21 will turn off automatically. The sleep time can be set as any integer values between 0 and 120.
Idle poweroff: the JM21 will automatically turn off when the timer reaches the set time for idle poweroff when there is no operation or playback. During this process, the timer will restart if there is any operation or playback. The idle poweroff time can be set as any integer values between 0 and 24h. (Note that this function will be disabled when it is set to OFF.)
3.Volume setting
a.System Maximum volume setting: all other volumes will be lower than this volume after setting it.
b.Power-up default setting:set the volume of the system when the device is turned on.
4.Rotate screen
The display page will rotate 180° if it is enabled.
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