YSI 85 - Manual (Page 7)

SECTION 2 PREPARING THE METER
2.1 UNPACKING
When you unpack your new YSI Model 85 Handheld Dissolved Oxygen, Conductivity, Salinity
and Temperature System for the first time, check the packing list to make sure you have received
everything you should have. If there is anything missing or damaged, call the dealer from whom
you purchased the Model 85. If you do not know which of our authorized dealers sold the system
to you, call YSI Customer Service at 800-765-4974 or 937-767-7241, and we'll be happy to help
you.
2.2 WARRANTY CARD
Before you do anything else, please complete the Warranty Card and return it to YSI. This will
record your purchase of this quality instrument in our computer system. Once your purchase is
recorded, you will receive prompt, efficient service in the event any part of your YSI Model 85
should ever need repair and we will be able to quickly verify the warranty period.
2.3 BATTERIES
There are a few things you must do to prepare your YSI Model 85 for use. First, locate the six AA-
size alkaline batteries that were included in your purchase. Use a screwdriver or a small coin to
remove the thumbscrew on the bottom of the instrument. This thumbscrew holds the battery-
chamber cover in place. The battery-chamber cover is marked with the words "OPEN" and
"CLOSE."
Hand strap
Battery chamber
cover
Thumb screw Polarity marking
O-rings
YSI, Incorporated Model 85 3