User Guide
Table Of Contents
3-11
ASUS USB Type-C Monitor MB169C+
After connecting with the USB
Type-C source device,
the power LED lights
continuously blinking or showing
ASUS logo repeatly
• Insufficient power supply from source USB Type-C
devices. Please follow below steps:
• Press the Blue Light Filter button , and then connect
the USB Type-C cable. This operation will enable
built-in safe mode. After displaying ASUS logo, please
release the Blue Light Filter button. After ASUS
Logo disappearing, there is “safe mode” message
OSD showing up. Once “safe mode” message OSD
disappears, please set background color to white image
or nearly white image (*1).
• Press 3-way button, main menu OSD is showing.
The upper left corner of the OSD will display small
red-colored font “S”, indicating it is now in safe mode.
Enter brightness setup, press the up key to tune up
brightness. During the process, please note down
brightness value “Y” up until MB169C+ re-start.(*2). For
example, if brightness value shows “70” and MB169C+
restarts when adjusting to “71”, “70” is the “Y” value to
note down and is the highest brightness value for the
connecting USB-C source device.
• Press 3-way button, main menu OSD is showing. The
upper left corner still indicate “S” as safe mode. Adjust
the OSD brightness value to “Y”
• Close the OSD and press Low Blue Low Filter hot key
for 5 seconds to turn off safe mode.
• Complete.
*1: White color background will consume higher power, so it’s better to use white color
background to test the power limit from source USB Type-C device.
*2: If MB169C+ does not re-start when adjusting to value 100, that means source USB
Type-C device has sufcient power supply.