Optoma PK320 User Manual - Page 19

How to Use External Input Source: VGA / Composite AV / HDMI Selecting Input Source When the projector is not in playing mode nor reading from an external source, the projector automatically detects once a video source device is connected and turned on. A message appears on screen. When multiple input source devices are connected at the same time, the last Yes connected device will be detected. VGA is detected Change to VGA? 10 Sec. No Similar message appears when other external input sources are detected. Selecting Input Source Manually If more than one external device is connected to the projector or the projector cannot automatically detect the external device, you have to manually select the input source. To do this, perform the following steps. 1. Select "Input" 2. Select Input Source Video VGA Back Input HDMI VGA 800 x 600 Select Input Source Video VGA HDMI Return to Home menu Yes No 5. Exit Display Mode 3. Enter Display Mode Display mode 4. Adjust Volume / Settings To exit display mode View Source Content Display button guide VGA 800 x 600 or Settings Volume up Volume down Aspect ratio Hide button guide Return to Home menu The signal message box briefly appears on screen; its label varies depending on the selected input signal. 19