ViewSonic Pro8400 Series VS13647 Service Manual page 36

Test Equipment
Test method
I/O port
Test Equipment
Signal format
I/O port
Test Equipment
Signal format
(3) Operation test
Buttons operation
Button description
Power button
Menu
4-way button
Source
Foot adjuster operation
Foot adjuster.
Foot adjuster button
ViewSonic Corporation
PC and Remote controller
1. Connect PC (laptop) VGA output to projector.
Set PC (laptop) output signal to projector
2. Connect projector USB to PC.
Press remote controller page up/down to scroll presentation file up and
down (ex Microsoft office series)
Audio input
Connect audio input to audio output of DVD player
480i
HDMI
HDMI source device
1080p
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the button
2. Press "power" button and projector will switch on
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the button.
2. Press Menu button can make projector function normally.
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the 4-way button.
2. Press 4-way button can be used to scroll through OSD (On -
Screen Display) menus and make adjustments.
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the button
2. Press Source button manually selects an input source
Foot adjusters should stretch downward smoothly by pressing the foot
adjuster buttons on the two sides
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Test criteria
Test criteria
Confidential - Do Not Copy
Pro8400