Nidek Medical ARK-1S, Operator'S Manual, Page: 18 / 112

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INTRODUCTION: Configuration and Functions
18
Chinrest up/down button ( / )
When the chinrest is at the highest (or lowest) mechanical limit, the limit indicator (or ) is dis-
played on the screen.
19
PD window
An LED is provided to detect the PD value.
20
USB port
The optional barcode scanner or magnetic card reader is connected here.
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(page 67)
21
LAN port
A LAN cable is connected here to export measured data to an external computer over a LAN connec-
tion.
22
RS-232C port
A communication cable is connected here to send/receive measured data to/from an optometry
device or such.
23
Power inlet
CAUTION
• Equipment connected to the analog or digital interfaces must be certified according to the represen-
tative appropriate national standards (such as EN 60601-1 and IEC 60601-1). Furthermore, all con-
figurations shall comply with the system standard IEC 60601-1. Anyone who connects additional
equipment to the signal input part or signal output part configures a medical system, and is therefore
responsible that the system complies with the requirements of the system standard IEC 60601-1. If
in doubt, consult the technical service department of your local representative.
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