When to replace the batteries, Replacing the batteries – HP 49g Graphing Calculator User Manual
Page 219
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When to replace the batteries
\\Tien battery power is low, the ((®>) anramciator is displayed. This
annunciator remains displayed even when you timi the calculator off.
If the battery power is low when you turn the calculator on, the message
LowBat (S) appears briefly on the screen.
Replacing the batteries
You risk losing data if you:
• remove the batteries while the power is on
• press ® while replacing the batteries or
• leave the calculator without batteries for more than 2
minutes.
To change the batteries:
1. Turn the calculator off.
2. Remove the cover of the battery compartment. You do this by pressing
down on the cover and sliding it away from the calculator.
3. Carefully remove the old batteries.
4. Inunediately insert the new batteries.
The batteries must be oriented according to the outlines shown
on the bottom of the battery compartment. Inserting batteries
the wrong way may damage the calculator.
5. Replace the cover.
6. Press
to turn the calculator on.
Always discard the old batteries according to the manufacturer’s
instnictions.
Troublehooljng
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