2-2 User’s Manual
TECRA A10/S10/M10/SatellitePro S300
Left side
The following figure shows the computer’s left side.
Figure 2-2 The left side of the computer
Volume control dial Use this dial to adjust the volume of the internal 
stereo speaker and optional external stereo 
headphones (if connected).
Move the Volume control dial to the right to 
increase the volume and to the left to decrease 
the volume.
Headphone jack A 3.5 mm mini headphone jack enables 
connection of stereo headphones.
Microphone jack A 3.5 mm mini microphone jack enables 
connection of a three-conductor mini jack for 
monaural microphone input.
Microphone A built-in microphone allows you to import and 
record sounds for your application - please refer 
to the Sound System section in Chapter 4, 
Operating Basics for more information.
Cooling vents
eSATA/USB
combo port
PC Card slot
PC Card eject 
button
Bridge media slot
Wireless communication 
switch
i.LINK (IEEE1394) 
port
Serial port
Serial port Use this 9-pin port to connect serial devices such 
as an external modem, serial mouse or serial 
printer.
Some models are equipped with a serial port.
Cooling vents The cooling vents help keep the processor from 
overheating.