Xylem 6-Series Multiparameter - Manual (Page 138)

650 MDS Section 3
YSI Environmental Monitoring Systems Operations Manual 3-8
The circuit board in this instrument contains a manganese dioxide lithium "coin cell" battery that must be in
place for continuity of power to memory devices on the board. This battery is not user serviceable or
replaceable. When appropriate, an authorized YSI service center will remove this battery and properly
dispose of it, per service and repair policies.
3.2.5.1 BATTERY INSTALLATION – C CELLS
Four C cells install easily into the back of the 650. Follow the instructions and diagrams below to install
the batteries properly:
 Using a Phillips or slotted screwdriver, loosen the 4 captive screws on the battery lid and then remove
the battery lid completely.
 Insert the cells between the battery clips, being sure to follow the polarity (+ and -) as indicated on the
bottom of the battery compartment.
 Make certain that the gasket is properly installed on the battery lid before reinstallation.
 Reinstall battery lid and tighten the 4 captive screws securely and evenly using a Phillips or slotted
screwdriver. Do not overtighten.
3.2.5.2 BATTERY INSTALLATION – RECHARGEABLE BATTERY PACK
The YSI 6113 rechargeable battery pack is self-contained and is easily installed according to the
instructions and diagrams below:
 Using a Phillips or slotted screwdriver,
loosen the 4 captive screws on the
battery lid and then remove the battery
lid completely.
 Put the battery lid in a safe place so that
it will be available for future use of C
cells.
Gasket
(4) Screws