Hitachi U-2910 Instruction Manual page 17

SAFETY SUMMARY
NOTICE
Disposal of Waste Solution
Accuracy and Precision of Measured Values
Data Backup
Be sure to collect waste solution and treat it for proper disposal in
accordance with the relevant laws and regulations regarding water
pollution control and sewage treatment.
Improper treatment of waste solution may result in environmental
pollution and could also lead to a penalty.
Carry out periodic inspection and check whether the system is
operating normally. If necessary, conduct measurement on a
control sample.
Data stored on the hard disk may become unusable due to a
system failure, wrong operation, computer virus infection, etc. To
ensure data integrity in case of accidental damage to the hard disk,
periodically make backup copies of hard disk files onto floppy
disks.
To prevent an erroneous operation on the hard disk, always
reserve approx. 100 MB of free space as a working area for
application software.
SAFETY - 7