Hanna Instruments HI 98170 - Manual (Page 37)

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It is recommended to recharge the rechargeable batteries as soon as you finish
your work with the instrument or as soon as the battery indicator does not
show full scale.
If the batteries become weak, the display will flash the
battery symbol to advise the user that approx. 1 hour
of working time is left. It is recommended to recharge
the batteries soon.
To replace the rechargeable batteries, follow the next steps:
• Turn OFF the instrument.
• Unscrew the two screws from the rear cover of the instrument.
• Insert four new 1.2V AA rechargeable batteries in the battery compartment
while paying attention to the correct polarity.
• Put the switch on the back of the instrument in the “Recharge” position.
• Reattach the cover and tighten the two screws.
To recharge the rechargeable batteries, follow the next steps:
• Make sure that the switch on the back of the instrument is in the
“Recharge” position (see above).
• Connect the 12Vdc power adapter to the main line and to the battery
recharger. The front LED will turn on (green).
• Place the instrument in the battery recharger case. The LED will become
red (recharging in progress).
BATTERIES
RECHARGING/REPLACEMENT
SWITCH
SCREW
POTS
Alkaline Recharge
Alkaline Recharge