User Manual

4 Model 57i CT Installation Guide
Safety Information (57i CT and handset)
When setting up the phone:
• Use only the rechargeable batteries supplied with this product
• Follow the battery installation instructions included with this guide
Note: That it takes two to three charging cycles for the batteries to reach their fully
charged state.
• Charge the batteries using only the charger stand supplied with this
product
In operation:
• It is normal for the batteries to become warm when charging.
• Discharge the batteries from time to time to prolong their service life.
To do this, do not place the phone back into the charger stand until the
batteries are completely or almost completely discharged. The battery
icon on the display will indicate when the batteries are low and an alert
tone is sounded every three minutes.
• Only use batteries and charging units approved by the manufacturer.