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Handset, Battery, & Charger
Handset Care
• Place 820 SC on stable surfaces to avoid
malfunction or injury.
• Keep 820 SC away from oily smoke or steam. Fire
or accidents may result.
• Cold air from air conditioners may condense,
resulting in leakage, or burnout.
• Keep 820 SC away from direct sunlight (Inside
vehicles, etc.) or heat sources. Distortion,
discoloration, or fire may occur. Battery shape may
be affected.
• Keep 820 SC out of extremely cold places to avoid
malfunction or accidents.
• Keep 820 SC away from fire sources to avoid
malfunction or accidents.
Usage Environment
Caution
• Excessive dust may prevent heat release and cause
burnout or fire.
• Avoid using 820SC on the beach. Sand may cause
malfunction or accidents.
• Keep 820SC away from credit cards, phone cards,
etc. to avoid data loss.
Handset
Avoid leaving 820SC in extreme
heat (Inside vehicles, etc.).
Handset may heat up and lead to burns.
Volume settings
Keep handset volume moderate.
Excessive volume may cause damage to your
hearing.
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