Advantech PPC-123, User Manual

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PPC-123 User’s Manual 34
3.12 Audio Interface
The audio interface includes three jacks: microphone in, line out and line
in. (See Fig. 3-5.) Their functions are:
Microphone in: Use an external microphone to record voice and sound.
Line out: Output audio to external devices such as speakers or earphones.
Line in: Input audio from an external CD player or radio.
1.
Connect the audio device to the system. (See Fig. 3-5.)
2. Install the driver before you use the device.
3.13 Ethernet
External devices on your network may be connected to the system
through the external ethernet port located on the rear side of the system
unit.
1.
Be sure the panel PC is turned off.
2. Connect the external device(s) to the panel PC. (See Fig. 3-4.)
3. Turn on the panel PC and the external device(s).
4. Under DOS, run the RSET8139 program to check the hardware
network status before installing the Ethernet driver.
5. Run the Ethernet driver to connect up to the network.
3.14 Adjusting the LCD Contrast and Brightness
The contrast control knob does not function because the PPC-123
includes the TFT LCD display. Only panel PCs with DSTN LCD displays
have this function.
The brightness control knob allows you to adjust the brightness of the
LCD display panel.