Aastra Telecom DT690 Accessibility and Voice Quality, Operating area, Out of Range, Standby Time

Models: DT690

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CORDLESS PHONE FOR MX-ONE™

1.5

Accessibility and Voice Quality

The base network is not always available. If you cannot connect to the system, contact the system administrator. For best voice quality, avoid positioning yourself near a computer, a radio, or similar equipment.

1.5.1

Operating area

You can use your cordless phone in the area that is covered by the network. Outside this area you will lose contact with the phone network. The signal strength icon, , will disappear and the text No System will be displayed.

1.5.2

Out of Range

When you leave the system coverage area you will hear a short beep and see a lamp indication, and the text Searching will appear in the display. The out of range beep will be repeated every minute for 30

minutes. To switch off the beep, press and hold the mute key, . When reentering the coverage area, it takes a few minutes before the phone registers into the system.

1.5.3

Standby Time

Poor radio signals (far away from the system base station) reduce the handset standby and talk times. High loudspeaker or ringer volume, frequent key activation and display illumination as well as active vibra- tion alarm and Bluetooth operation, are features that can specifically shorten standby and talk times.

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1424-EN/LZT 103 088 Uen D3 2010-11-16

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Aastra Telecom DT690 manual Accessibility and Voice Quality, Operating area, Out of Range, Standby Time