GRECELL T300 - Button Functions; Master Power Control (Button A); LED Light and SOS Mode (Button B); DC Output Control (Button C)

M Button Feature
A: T300 Power ON/OFF Button
B: SOS mode & LED light Button A s @
C: DC Output Power ON/OFF Button ¢ E
D: USB Output Power ON/OFF Button %
E: AC Output Power ON/OFF Button <
T300
M Buttons Function
Button A: T300 POWER ON/OFF
Button A is the master switch. Press Button A to turn on the power or to
shut down the output(s) when not in use.
Button B: SOS MODE& LED LIGHT
The function is available no matter the Button “POWER ON/OFF " is activated
or not as the following steps:
Firstly, press Button B to turn on the LED light into the LED light mode.
Secondly, double-click it to turn on the SOS mode.
Thirdly, press Button B back to LED light mode, then press it again, the
light will be turned off.
Button C: DC OUTPUT POWER ON/OFF
Please make sure the button “POWER ON/OFF” is activated before pressing
Button C to turn on; Press Button C to shut down the output(s) when not in use.
Button D: USB OUTPUT POWER ON/OFF
Please make sure the button “POWER ON/OFF” is activated before pressing
Button D to turn on; Press Button D to shut down the output(s) when not in use.
The USB-C cable of different devices needs different endorsements of
corresponding protocols, if the USB-C port doesn't work, try to use the AC
adapter to charge.
Button E: AC OUTPUT POWER ON/OFF
Please make sure the button “POWER ON/OFF” is activated before pressing
Button E to turn on; Press Button E to shut down the output(s) when not in
use.