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4-2. Changing the battery
Batteries usually last about two years. A low battery light will pulse when they need to be replaced.
Remove the auto darkening filter (see overleaf) and change both batteries at the same time observing
polarity and using high quality batteries.
Always note the polarity of the batteries and install them as shown in the diagram and as marked.
Batteries rely on good electrical contact to function properly and so always use clean dry hands and
avoid getting dirt inside the cartridge when exchanging batteries.
Note
우노다시다시 2013.01.15 04:10 PM 페이지8 왼쪽 PDF_MONO 2400DPI 175LPI T
