LightSpeed Technologies Sierra Manuale utente
Sierra User Guide
Welcome
Congratulations on purchasing a Lightspeed Aviation Sierra headset. Your headset is a premium
product that will provide many years of comfortable high performance for your ying endeavors.
If this is your rst Lightspeed Aviation headset—welcome to the Lightspeed family! We look forward
to building a lasting community with our customers founded on products and service that are best in
class. To support your passion for ying we invite you to visit LightspeedAviation.com where you’ll nd
useful insights about our other products and aviation.
Thank you for choosing a Lightspeed Aviation headset.
Contents
Introduction .....................................................................2
Getting Started
Fitting Your Headset...................................................4
Battery Installation .....................................................5
Battery Types ................................................................6
Battery Life ...................................................................6
Controller .......................................................................6
Using Your Sierra Headset
Turning ON and OFF ..................................................8
Matching Stereo/Mono Setting to an
Audio Panel ..................................................................8
Setting the DIP Switch ..............................................8
ComPriority ..................................................................9
Wired Auxiliary Devices ...........................................9
Bluetooth and Cell Phones
Connecting Bluetooth Cell Phones for
the First Time ............................................................. 10
Bluetooth Mode—ON and OFF ......................... 11
Bluetooth Features .................................................. 12
FAQs ................................................................................... 13
Peak Performance Tips ............................................. 15
Specications ................................................................ 16
Warranty Information ............................................... 17
Contact Lightspeed Aviation ................................. 20
Introduction
Your Sierra headset package includes (clockwise,
from top left on the following page):
• Carrying case
• User and Quick Start guide with warranty
information
• Sierra ANR headset with Sierra controller
• Two AA batteries
• Cord clip
• Audio device cable with 3.5mm connector
2
Sierra Quick Start Guide
Sierra User Guide
3
Introduction
Getting Started
Fitting Your Headset
Fitting your headset properly is the key to
comfortable use and superior Active Noise
Reduction (ANR) capabilities. To gain peak
performance from the ANR feature it’s necessary
to have a solid seal around your entire ear
combined with a symmetrical t on your head.
The following tips will assist in achieving the
proper t.
A. Fit your ears entirely within the ear cups
providing a solid seal.
B. Rest the headband lightly on top of your
head with the right and left sliders extended
to equal lengths.
4
C. Position the microphone inch from your
mouth, with the gain adjustment cap facing
away from you (visible when you remove the
mic mu).
Note: The microphone will not transmit unless
plugged into an intercom.
Battery Installation
The Sierra headset requires two AA batteries
(included). Use alkaline or lithium batteries for
best performance.
A. Open the controller battery/DIP switch door
by either pressing down on the
circle icon or by pulling open the
door along the notched edges.
Insert two AA batteries with the
correct polarity positioning.
B. The LED ashes GREEN when
charged batteries are in use
and the power is on.
C. When batteries begin to
run low the power LED
ashes red.
Battery/DIP switch door
Stereo/mono switch
5
Getting Started
This side of the microphone
should face away from you.
If the LED ashes red during ight the
headset will continue to operate. Install new
batteries as soon as possible at any indication
of low batteries.
Battery Types
Use two “AA” alkaline or lithium batteries. Lithium
batteries may provide improved battery life in
colder temperatures. We do not recommend
using re-chargeable batteries or mixing battery
types and brands.
Battery Life
A set of batteries can provide up to 40 hours
of power. However, heavy Bluetooth usage
can signicantly reduce battery life. Under
quiet conditions Sierra will auto shut o
approximately ve minutes after the headset is
removed from your head.
The Controller
A. Power indicator LED: Flashes green when
power is supplied to Sierra and batteries are
strong. Flashes red when batteries are low.
B. Power button: Powers on headset, turning
on Active Noise Reduction (ANR). Press
button once to turn Sierra on; press and
hold to turn Sierra o. To toggle the LED
brightness from bright to dim quickly press
the power button twice.
C. Volume control: Controls audio panel volume
with individual sliders for each ear. Does not
aect the volume of auxiliary devices.
6
Getting Started
D. Bluetooth indicator LED: Flashes blue
when Bluetooth mode is on and red when
Bluetooth is being turned o. In pairing
mode, ashes alternating red and blue.
E. Bluetooth button: Turns on and o the
Bluetooth signal and controls Bluetooth-
connected devices.
F. Auxiliary input jack: Provides a wired input
for audio devices only (not cell phones).
G. Bluetooth volume buttons: Controls the
volume of Bluetooth devices.
H. ComPriority button: Quiets music and audio
from auxiliary devices during radio communi-
cations. Does not aect cell phone calls.
A
B
C
D
E
F
G
H
The Sierra controller
7
Getting Started
Using Your Sierra Headset
Turning ON and OFF
ON: Press the power button once to turn on the
headset. The green power LED ashes when
power is supplied. Active Noise Reduction (ANR)
is engaged when you turn on the headset.
OFF: Press and hold the power button until the
green power LED turns o.
Sierra will auto shut o approximately ve
minutes after removing the headset and under
quiet conditions.
The power LED ashes red when batteries are
low; see Battery Installation, on page 5.
Matching Stereo/Mono Setting to an Audio Panel
The Stereo/Mono DIP switch setting should
match the signal from your audio panel. For a
stereo panel, best performance is gained by
setting the headset for stereo. The same is also
relevant to a mono panel. Incorrect settings result
in communications being heard in only one ear.
The Stereo/Mono DIP switch does not aect
auxiliary devices, so you can enjoy auxiliary audio
in stereo regardless of how the Stereo/Mono DIP
switch is set.
Setting the DIP Switch
The DIP switch is factory set to match most
aircraft audio panels. To change a DIP switch
setting open the controller battery compartment
door. Use a small pointed object like a wood
8
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