Plantronics Calisto User Manual page 75

Table 1: Headset button functions
Function Button Action
Turn headset Press and hold for
on 2 seconds
Turn headset Press and hold for
off 4 seconds
Answer/end Press for 1 second
a call
Adjust Press up or down
volume (not inward)
Redial last Press twice
number
Pair with With power off,
mobile press and hold for
phone 6 seconds
Table 2: Headset alerts
Alert Indicator Light
Incoming call Flashes blue 3 times with
each ring
Low battery Flashes red 3 times every
3 seconds
Charging Glows solid red
Fully charged Glows solid blue
Indicator Light
Flashes blue
every 10 seconds
Glows solid red
for 4 seconds
Alternates flashing
blue and red
Sounds
3 rapid beeps
with each ring
3 beeps
every 30 seconds
DRAFT
Sounds
4 increasing
beeps
4 decreasing
beeps
1 beep
2 beeps
when maximum/
minimum volume
is reached
2 beeps
1 beep
at beginning,
1 beep
when pairing
completed
Page 21