In the process of using
，
press MOD button lightly. when battery indicator light
on, you can see the battery usage. when power quantity number “1-7”indicator
light is off and “ ”light flashes, the battery quantity is not enough. Please
charge in time without affecting normal use. It is recommended to use charging
USB Socket/ Charging Indicator Light
RF750 Portable Multimedia Music Player
09
The instruction of putting TF Card correctly
：
The correct way of taking out TF card,
press lightly the TF card, and it will
rebound out
（
Please don't pull out).
Cancel sleep shutdown function:
In Bluetooth playing/TF card playback mode,
short press “SET” button to
choose sound quality EQ mode.
There are six options:
The EQ sound effect corresponding to digital indicator light is
1
:
NORMAL; 2: POP; 3
:
ROCK; 4: JAZZ; 5: CLASSIC; 6: COUNTRY
Do not operate the current EQ sound quality after the default adjustment
within 3 seconds, and the EQ indicator light goes out.
Set automatic shutdown (sleep) operation
：
Long press “SET” button for two seconds,
sleep mode “ ” indicator light
and number 1-7 indicator light on, start 70 minutes of sleep shutdown
function (Each light represents
:
10 minutes), press “SET” button again to
adjust sleep shutdown time. After adjusting the time, do not operate the
default current adjustment time in 5 seconds. When shutdown time comes,
it will automatically shut down. Sleep shutdown time are respectively
:
70
minutes, 60 minutes, 50 minutes, 40 minutes, 30 minutes, 20 minutes, 10
minutes, NO (cancel sleep shutdown function).
8
.
9
.
