Plantronics Calisto 620 - Manual (Page 6)

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2 3
4 1
1 Volume Up/Volume Down Buttons
Increase/decrease volume
Press up/down volume buttons to desired volume
Maximum or minimum volume Hold up/down buttons until max/min reached
Ringer volume Press up/down volume buttons while no call is active
2 Pairing LED
Flashing Blue/Red
In pairing mode; (Pairing mode ends after 10 minutes if unsuccessful)
Solid Blue Paired successfully
3 Power LED
Two red flashes
Less than two hours of talk time remaining
Three red flashes Less than 30 minutes of talk time remaining
4 Mute Button
Mute microphones (far-end cannot hear
you)
1 short button press mutes mics; Mute LED turns
solid red
Un-Mute microphones 1 short button press un-mutes microphones; Mute LED turns off
Reject an incoming call 1 long button press (2 seconds); call rejected
5 Call Button
Answer or end a call (PC or Mobile)
1 button press
Answer a 2nd call while on a call 1 button press ends first call, 2nd 1 short button press
answers 2nd call
Speakerphone Controls
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