Humphrey Field Analyzer II-
i
series User Manual 2660021145640 A
Care and Cleaning
15-13
WARNING: Never turn off the HFA II-i or remove a USB storage device or USB floppy
disk drive while the hard drive or USB device is reading or writing data. Wait for the
HFA progress bar to complete and/or the USB device’s activity light to cease. This may
cause permanent loss of valuable data.
Using the Optional USB Floppy Disk Drive
Insert the USB cable connected to a USB floppy disk drive in
to any USB port on the HFA II-
i
. To insert
a disk in the drive, first take it out of its protective case. Hold the disk so the arrow is aimed at the
drive and insert it completely into the drive.
To remove a disk from a USB floppy disk drive, pr
ess the ejector button. Never remove the disk:
• When the indicator light is on.
• If the drive is running and the disk is moving.
• If the padlock is visible over the disk drive image in the up
per-right corner of the screen (see
Figure 2.1).
Note: Use only 1.44 MB double-sided high
density (HD) disks.
How often you need to clean a USB floppy disk drive depends on how fr
equently you use it. One
suggestion is to clean the drive at least once every six months. Head cleaning kits for floppy drives
may be purchased from electronic or computer stores.
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