Lightspeed Sierra User manual

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 Wireless Technology Enabled Devices
Connecting Bluetooth wireless technology
enabled devices for the rst time....................10
Bluetooth mode—ON and OFF ......................... 11
Bluetooth wireless technology features.......... 12
FlightLink ....................................................................... 13
FAQs................................................................................... 14
Peak performance tips ............................................. 16
Specications................................................................ 17
Warranty information............................................... 18

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

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.
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.
4
This side of the microphone
should face away from you.

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.
Battery/DIP switch door
Stereo/mono switch
5
Getting Started
C. When batteries begin to run
low the power LED ashes
red. 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 rechargeable batteries or mixing battery
types and brands.
Battery life
A set of batteries can provide up to 40 hours
of power. However, heavy usage of Bluetooth®
wireless technology can signicantly 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
aect the volume of auxiliary devices.
D. Bluetooth indicator LED: Flashes blue when
Bluetooth mode is on and red when Bluetooth
6
Getting Started

wireless technology is being turned o. In
pairing mode, ashes alternating red and blue.
E. Bluetooth button: Turns on and o the
Bluetooth wireless technolgy signal and
controls devices connected via Bluetooth
wireless technology, including cell phones
and music players.
F. Auxiliary input jack: Provides a wired input
for cell phones and audio devices.
G. Bluetooth volume buttons: Controls the
volume of devices connected via Bluetooth
wireless technology.
H. ComPriority button: Quiets music and
audio from auxiliary devices during radio
communications.
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 aect
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