BlueParrott B550-XT How Do

BlueParrott B550-XT
How do I recalibrate my BlueParrott B550-XT headset?
Firmware version 1.28
To recalibrate your headset, follow these steps:
a. Make sure you have successfully updated your headset to v. 1.28 and
disconnected it from the computer.
b. Power on the headset.
c. Power off the headset for a minimum of 45 seconds.
Note: no lights will flash during this power off, but you may hear the
power off voice prompt. This 45 second period is required to prepare
the headset for recalibration.
d. Power on the headset.
e. Place the headset on a flat surface on its side.
f. A quick, double, simultaneous press of both the BlueParrott Button™
and the Volume Up button begins the recalibration process. Keep your
fingers and hands away from the speaker and T-bar opposite from the
speaker.
g. After a few seconds, the Multifunction Button (MFB) may flash oddly
timed patterns of red and/or blue, or possibly purple. When
recalibration is complete, the MFB will flash blue 10 times and then
return to normal. If recalibration fails, the MFB will flash red 10 times.
If recalibration does fail, power off and repeat the steps starting at
step b.
08/05/2022 03:07
https://www.blueparrott.com/supportpages/blueparrott-b550-xt/204165/faq/9286198a-
2abc-4801-a610-d696f5d826d9
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BlueParrott B550-XT Specifications

General

Headset type	Monaural
Product type	Headset
Product color	Black
Wearing style	Head-band
LED indicators	Power
Country of origin	China
Recommended usage	Office/Call center
Protection features	Dust resistant, Water resistant
International Protection (IP) code	IP54
Standby time	400 h
Battery capacity	380 mAh
Battery operated	Yes
Battery recharge time	3.5 h
Continuous audio playback time	24 h
Driver unit	36 mm
Ear coupling	Circumaural
Headphone frequency	150 - 6800 Hz
Maximum input power	50 mW
Microphone type	Boom
Microphone sensitivity	-47 dB
Wireless range	100 m
Bluetooth version	5.0+EDR
Bluetooth profiles	A2DP, HFP, PBAP
Connectivity technology	Wireless
Cables included	USB
Operating temperature (T-T)	-10 - 60 °C
Material	ABS, Foam, Leatherette, Nylon, Polycarbonate (PC), Polyoxymethylene (POM), Rubber, Silicone, Stainless steel, Thermoplastic polyurethane (TPU)
Master (outer) case width	600 mm
Master (outer) case height	370 mm
Master (outer) case length	500 mm
Master (outer) case weight	14450 g
Harmonized System (HS) code	85183000
Quantity per master (outer) case	10 pc(s)
Package depth	75 mm
Package width	172 mm
Package height	175 mm
Package weight	390 g

Weight and Dimensions

Depth	190.5 mm
Width	178 mm
Height	63.5 mm
Weight	165 g