ViewSonic VS15197 Service Manual page 128

10-3. EDID update
Download the TVI_217.zip, PD EDID Tool_1.2.zip and UI1A_VSD241_20130424.zip
1. Power on the set and enter into the Android system.
2. Press the power button to enter into sleep mode.
The LED indicator becomes amber color.
3. Press Menu and then power button to wake up the set.
The LED indicator becomes purple color. (Scaler Factory mode)
(If you are in the Android lock screen, please unlock first.)
4. Connect the Scaler tooling board and NB via USB (Type A to Type B) cable
ViewSonic Corporation
VSD241 EDID Update SOP
127
Confidential - Do Not Copy
VSD241/SD-A245/CDS245