Sharp RZ-X650 Hardware Operation Manual page 7

LCD brightness control
5
For adjustment of the screens brightness. (increase / decrease)
Magnetic Strip Reader(Optional)
6
For reading magnetic stripe cards.
Rear/IO Ports view
Serial Port 1, 2, 3
1
Connects serial devices such as a customer display, a barcode scanner, or a receipt printer
that use serial interface to the serial ports.
Note:
D efault voltage at Pin 9 of COM2 / COM3 is 5V. For further information, please contact
•
your authorized SHARP dealer.
VGA Connector
2
Connects VGA signal cable from a 2
1 2 3 4 5 6 7 8
monitor
nd
10
9
5