Agilent Technologies aurora Duet, User Manual

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aurora
Duet
Basic & Primary Rate ISDN Tester - User Guide
3 - 2 428856
Power supply
aurora
Duet
operates from a battery pack or from an
external power source supplied through the DC
connector from an adaptor/charger. Before using the unit
you need to locate the following:
• ON/OFF Switch —this is a rocker switch. To switch
on your aurora
Duet
, push this switch briefly in an
upwards direction. To switch off, push it briefly in a
downwards direction.
• Power Adaptor/Charger socket —a standard DC
input socket used for connection to the external
power source through the adaptor/charger.
• Battery Pack Release —releases the removable
battery pack.
You will find detailed information on power sources and
instructions on how to discharge and recharge the battery
pack in Chapter 2 of this guide.
Audiovisual interfaces
aurora
Duet
has the following audiovisual interfaces:
• Earphone— An earphone with a loudspeaker is
provided as an integral part of the tester, allowing
you to use it as a handset for voice communication
and to listen to speech calls. You can adjust the
volume using a function key.
• Microphone— A microphone is provided as an
integral part of the tester, to enable you to use it as
a handset for voice communication. You speak into
this when making voice calls.
• Headset— You can connect an optional external
headset through the connector marked with a
handset symbol (see
Communication Ports and
Connectors later in this chapter). Amplification is
provided within aurora
Duet
.