Maintenance, General information, Preventive maintenance for 397-70x & 398-70x – GAI-Tronics 393-700 RED ALERT 300 Series Hands-free VoIP Telephone Manual User Manual

Page 22: Cleaning, Prevention, Service

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Maintenance, General information, Preventive maintenance for 397-70x & 398-70x | Cleaning, Prevention, Service | GAI-Tronics 393-700 RED ALERT 300 Series Hands-free VoIP Telephone Manual User Manual | Page 22 / 27 Maintenance, General information, Preventive maintenance for 397-70x & 398-70x | Cleaning, Prevention, Service | GAI-Tronics 393-700 RED ALERT 300 Series Hands-free VoIP Telephone Manual User Manual | Page 22 / 27
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