DMQ QH5 U, User Manual

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Chapter 1 4
Figure 1.4: Replace / Insert batteries
Important
Do not remove batteries while the unit is turned on
as this may affect the Datalogger (See Appendix:
“Additional information, Error Messages”)
Notes
Always use new alkaline top brand batteries for
extended battery life, rechargeable NiMH batteries
can be used but will result in less time of operation.
Do not mix new and old batteries. Always replace
both batteries.