OX-04 Operator’s Manual
Chapter 6: Maintenance
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6. Install the new AAA batteries. Follow the diagram shown in the battery compartment.
7. Reinstall the battery cover and tighten the battery cover screw.
8. If the instrument has been without batteries for more than 5 minutes, the date and time are
reset and need to be set again. When the new batteries are installed, the instrument
automatically turns on and displays the Date/Time Screen. Set the date and time as described
on page 67. Once the date and time are set, the instrument begins its warmup sequence. If you
do not set the date and time within 30 seconds, the instrument automatically begins its
warmup sequence.
Recharging the Batteries (Ni-MH Batteries Only)
Any battery charger capable of charging AAA Ni-MH batteries can be used to recharge the OX-
04’s Ni-MH batteries. RKI Instruments, Inc. recommends using one of the chargers specified on
page 78.
WARNING: To prevent ignition of a hazardous atmosphere, batteries must only be charged in
an area known to be nonhazardous.
1. Remove the batteries from the OX-04 as described in Step 1 - Step 5 on page 71.
2. Install the Ni-MH batteries in the charger. See the battery charger’s manual for charging
instructions.
3. Put the batteries back in the OX-04 and reinstall the battery cover.
Figure 10: Installing New Batteries
