Plantronics CALISTO HEADSET WITH BLUETOOTH USB ADAPTER 56-K61A-15000 - Manual (Page 10)

6
Headset Indicator Lights and Alerts
Headset Indicator Lights
Action Button Action Sounds Indicator Lights
Turn
headset on Press and hold
for 2 seconds 4 ascending
beeps Flashes blue every
10 seconds
Turn
headset off Press and hold
for 4 seconds 4 descending
beeps
Turn
microphone
on/off Press for
1 second 1 high beep
Adjust volume Press up or
down (not
inward) 2 beeps when
max/min volume
reached
Headset Alerts
Alert Sounds Indicator Lights
Low battery 3 beeps every
30 seconds Flashes red 3 times every 3 seconds
Charging Glows solid red
Fully charged Glows solid blue while connected
to charger