Plantronics Discovery 975 User manual

Plantronics Discovery®975
User Guide

ii
Welcome
Thank you for purchasing the Plantronics Discovery®975 earpiece.
This guide contains instructions for setting up and using your new
earpiece.
Before using this product, please refer to the For Your Safety
guide for important product safety and charging information.
Getting Assistance
The Plantronics Technical Assistance Center is ready to assist
you. You can find answers to frequently asked questions, ask a
question using e-mail, receive service over the Internet, or speak
directly with a representative. Visit www.plantronics.com/support
or call 1-866-363-BLUE (2583).
NOTE If you are considering returning this earpiece, please contact
the Technical Assistance Center first.
Registering Your Product
Visit www.plantronics.com/productregistration to register your
product online so we can provide you with the best service and
technical support.
NOTE For pairing your Earpiece, your PIN code, or “Passkey,” is
0000.

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Contents
Package Contents, Features and Accessories ........................... iv
Charging Your Earpiece................................................................1
Using the AC or USB charger.............................................1
Using the Charging Case ...................................................2
Checking the Battery Level ................................................3
Automatric Battery Status Alerts........................................4
Recharging the Charging Case ....................................................5
Pairing Your Earpiece ...................................................................6
Plantronics QuickPair™ Technology ..................................6
How to Pair Your Phone With Your Earpiece
for the First Time ................................................................7
Adjusting the Fit ...........................................................................8
How to Install a Different Gel Eartip ...................................8
Earpiece Controls.........................................................................9
Hands-Free Features..................................................................10
Range .........................................................................................11
Indicator Lights and Tones .........................................................11
Troubleshooting..........................................................................13
Using More Than One Bluetooth Phone ....................................15
How to Turn the Multipoint Feature On and Off ...............15
How to Initiate a Call ........................................................15
How to Answer a Call While Talking on the Other Phone 15
Product Specifications ...............................................................16
Limited Warranty ........................................................................17

Package Contents and Features
Product Name & Number Accessories*
Vehicle Power Charger
#xxxxx-xx
Clothing Clip
#xxxxx-xx
Earpiece
Charging Case
* Not included. To order, please contact your Plantronics supplier
or go to www.plantronics.com
AC Charger
100 – 240V
USB Charging Cable
Volume Control
Button
Charging Jack
Eartip
Stabilizing Eartips
(small, medium, and large)
Call Control
Button
USB Lanyard
#74948-01
iv

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Option A: Using the AC Charger
1 Plug the AC charger into a power
outlet.
2 Connect the AC charger to the
charging jack on the earpiece.
Charging Your Earpiece
Your new earpiece performs best when fully charged. While your
earpiece is charging, the indicator light slowly flashes red. When your
earpiece is fully charged, the indicator light turns off. This applies to
all charging options.
Never charge the battery where the temperature may fall below 0°C
(32°F) or rise above 40°C (104°F) – for example, in an unattended
motor vehicle. Do not use your earpiece while it is
connected to the charger. 1
2
Option B: Using the USB Charger
1 Connect USB charger to the USB
port on a computer or laptop.
2 Connect the USB charger to the
charging jack on the earpiece.
3 Turn the computer or laptop on.
1
2
3
CHARGING TIME
1.5 hours .....Full charge using
AC or USB
30 minutes...Minimum charge
before first use

2
Option C: Using the Charging Case
Open the cover of the case. Align the charging jack on the
earpiece with the micro USB connection in the case. Gently push
the earpiece onto the micro USB connection until you feel it click
into place.
IMPORTANT Incorrect removal of the earpiece from the case will
damage the micro USB port in the case. Gently press the ejection
button with your thumb to release the earpiece.
Charging Your Earpiece
EjectInsert

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Checking the Battery Level of Your Earpiece
Option A: With the earpiece on, simultaneously press and hold the
call control button and the volume button for about 2 seconds. The
indicator light flashes red to show the charge level.
Option B: The LCD display on the charging case will indicate battery
level of the earpiece when earpiece is inserted into case. The battery
icon (above the earpiece) flashes to indicate battery level.
Charging Your Earpiece
Volume Button
Call Control Button
CHARGE INDICATOR LIGHTS
Red Flashes Battery Level
SMore than 2/3 full
S S 1/3 to 2/3 full
S S S Less than 1/3 full
BATTERY LEVEL ICON
Bars Battery Level
3 Full battery
2 1/3 to 2/3 full
1 Less than 1/3 full

4
Charging Your Earpiece
LOW BATTERY WARNINGS
Battery Level Tone Voice Prompt
30 minutes of
talk time remaining
(this alert only
occurs during
an active call)
Double high
tone every
15 minutes
“Battery Low”
repeats every
30 minutes
10 minutes
of talk time
remaining
Triple high
tone every
30 seconds
“Recharge
Battery” repeats
every 3 minutes
Automatic Battery Status Alerts
When the battery charge is very low, a tone and voice prompt in English
will automatically occur.

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Recharging the Battery Inside the Case
The charging case provides two full charges to your earpiece before
the battery within the case requires charging.
1 To check the battery status of the charging case, refer to
the LCD display on the case.
The battery status may change if you insert the earpiece because
the battery will transfer power to the earpiece.
2 Plug either the AC charger or the USB charger to power
source before connecting to the charging jack on the side
of the case.
While the case is charging, the LCD battery icon (above the case
image) flashes to indicate charge level.
NOTE If you disconnect the power source from the case after 10
minutes of charging you must then wait at least 60 minutes before
reconnecting a power source to resume the charging cycle.
Recharging Your Charging Case
21
CHARGING TIME
3.5 hours. Full charge
using USB
1.5 hours. Full charge
using AC

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Pairing Your Earpiece
Before using your earpiece for the first time, you must pair it with
your Bluetooth®wireless technology enabled phone.
Your new earpiece includes Plantronics QuickPair™technology to
simplify the Bluetooth setup process. The first time you turn your
earpiece on, your earpiece automatically enters pairing mode for 10
minutes. Once paired successfully, your earpiece stays on for instant
use.
If not successfully paired after 10 minutes, your earpiece automatically
powers off. When you turn the earpiece on again, it automatically
goes into pairing mode until successfully paired with a Bluetooth
phone.
NOTE This earpiece is equipped with Secure Simple Pairing (SSP).
If your phone supports SSP, you will not need to enter a PIN code or
Passkey.

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How to Pair Your Phone with Your Earpiece for the First Time
1 Turn on the Bluetooth feature on your phone.
For most phones, select Settings/Tools > Connections >
Bluetooth > On. See your phone’s user guide for more
information.
2 Turn the earpiece on.
Press and hold the call control button until the indicator flashes
red/blue. The earpiece is now in pairing mode.
If you don’t see the red/white flash, press and hold the call control
button to turn your earpiece off, and then press and hold the call
control button again until you see the red/white flash.
3 Use the commands on your phone to locate your earpiece.
For most phones, select Settings/Tools > Connections >
Bluetooth > Search > 9xxPlantronics. See your phone’s user
guide for more information.
4 If prompted for the PIN code or Passkey, enter 0000.
Pairing is successful when the indicator on your earpiece flashes
white. Your earpiece is now connected and ready to use.
Pairing Your Earpiece
SETTINGS
SETTINGS
Time and Date
Phone Settings
Bluetooth
Sound Settings
Network Services
Security
Reset Settings
1
4
SETTINGS
SETTINGS
Time and Date
Phone Settings
Bluetooth
Sound Settings
Network Services
Security
Reset Settings
SETTINGS
SETTINGS
Time and Date
Phone Settings
9xxPlantronics
Sound Settings
Network Services
Security
Reset Settings
SETTINGS
SETTINGS
Time and Date
Phone Settings
0000
Sound Settings
Network Services
Security
Reset Settings

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How to Install a Different Gel Eartip
If the earpiece does not feel stable, the eartip needs adjusting or it
may be the wrong size for your ear. The earpiece comes with the
medium eartip installed, but you can replace it with the optional small
or large eartip provided.
Adjusting the Fit
For optimal voice clarity,
point the boom towards
the corner of your mouth.
Correct Fit Incorrect Fit
2 3
1 Remove the earpiece from your ear.
Rotate the eartip on the earpiece to position the stabilizer to rest
comfortably in your ear. If the earpiece still feels unstable, then
remove the ear-piece from your ear and change the eartip to a
different size.
2 To remove the eartip, gently pull the stabilizer loop of eartip
off of the speaker housing.
3 To fit a new eartip, position the eartip over the speaker
housing with the stabilizer pointed away from the
microphone boom and gently press the eartip onto speaker
housing.
Eartip
Speaker
housing
1

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Earpiece Controls
Turn on the
earpiece
Press and hold the call control button for 2 seconds until
the indicator glows white. If earpiece flashes red 3 times
when you turn on the earpiece then the battery is very low
and should be recharged.
NOTE When your earpiece is in standby mode, the indicator
is off. To confirm that your earpiece is on, press any button.
You should see a white light flash.
Turn off the
earpiece
Press and hold the call control button for 4 seconds until
the indicator glows red. When power is off, indicator
stays off.
NOTE If you’re wearing the earpiece, you hear ascending
tones when the power turns on and descending tones when
the power turns off.
Answer or
reject a call
When your earpiece rings, tap the power button once;
you should hear 1 low tone.
To reject a call and send the caller to voice mail, press the
call control button for 1 second.
NOTE Your phone may ring before your earpiece rings.
Wait until you hear the ring in your earpiece to press the call
control button and answer the call.
End a call While on a call, tap the call control button.
Make a call When the earpiece is paired to your phone and in range,
enter phone number on your phone and press send. The
call automatically transfers to your earpiece.
Transfer a
call between
earpiece and
phone
While on a call, press and hold the call control button for
2 seconds. You will hear a single low tone followed by a
double low tone. The call will then be transferred to the
phone.
DURATION: TAP is under 1 second. PRESS is 1-4 seconds as directed.

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Earpiece Controls
Turning the
multipoint
feature on
To prolong battery life, the multipoint feature is turned off by
default. To turn on this feature, see “Turning the Multipoint
Feature On and Off” on page 13.
Turn on
the online
indicator
While the earpiece is powered on, press and hold the volume
button for 4 seconds. White light will brighten over 2 seconds.
Repeat action to deactivate online indicators. White light will
dim over 2 seconds.You will hear a single low tone.
Adjust the
volume
During an active call, tap the volume button.
There are 3 volume settings. Each tap will increase the volume
until maximum is reached and you hear two low tones. Tapping
again will drop volume to minimum setting and subsequent
taps will increase volume until maximum is again reached.
Enabling or
disabling
mute
Enable mute: Press and hold the volume button for 1 second
until you hear a low/high tone and a voice saying “Mute on” (in
English). The low/high tone repeats every 15 minutes and the
voice advisory every 30 minutes until mute is disabled.
Disable mute: Press and hold the volume button for 1 second
until you hear a high/low tone followed by a voice saying “Mute
off” (in English).
Hands-Free Features
If your phone and your wireless service provider both support hands-free
operation, you can use the following features:
Redial the last
number you
called
Tap the call control button twice. You will hear two
low tones.
Voice activated
dialing
When the earpiece is on, press and hold the call
control button for 2 seconds until you hear 1 low tone.
WARNING Do not use earpiece at high volumes for an extended period of
time. Doing so can cause hearing loss. Always listen at moderate levels. See
www.plantronics.com/healthandsafety for more information on Earpieces and
hearing.
DURATION: TAP is under 1 second. PRESS is 1-4 seconds as directed.

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DURATION: TAP is under 1 second. PRESS is 1-4 seconds as directed.
Range
To maintain a connection, keep your earpiece within 33 feet (10
meters) of the Bluetooth phone. If there are obstacles between your
earpiece and the phone you may experience interference. For optimal
performance, place your earpiece and phone on the same side of
your body.
Audio quality degrades as you move out of range. When you are
far enough away to lose the connection, you hear a voice say “Lost
connection” (in English), followed by a high tone.
The earpiece attempts to reconnect for 60 seconds. If you move back
in range, you can manually reconnect by pressing the call control
button.
NOTE Audio quality is also dependent upon the device with which the
Earpiece is paired.
Indicator Lights and Tones
Light Tone
Status check 1 white flash 1 tone
Charging 1 red flash every 10 seconds None
Fully charged None None
Low battery 2 red flashes for 2/3 full battery None
Very low battery 3 red flashes every
10 seconds
3 high tones every
10 seconds
Pairing Red and white flashes 1 low tone
Paired White flash 1 low tone
Turning on Solid white for 2 seconds Ascending tones
Turning off Solid red for 4 seconds Descending tones

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Indicator Lights and Tones
Light Tone
Incoming call 3 white flashes every
2 seconds
3 rapid low tones
every 2 seconds
Answer call 1 white flash 1 low tone
Call in progress 1 white flash every
2 seconds
None
Volume up or
down
1 white flash for each volume
adjustment
1 tone with volume
corresponding to
volume level
2 low tones to
indicate maximum
volume level reached
End call 1 white flash 1 low tone
Missed call 3 white flashes every
10 seconds for 5 minutes
None
Out of range None 1 high tone
Back in range Flashes to match current
earpiece state
1 low tone
Turning on
multipoint
2 white flashes None
Turning off
multipoint
1 white flash None
NOTE By default, the online indicator is turned off. To turn on the
online indicator, see “Earpiece Controls” on page 8.

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Troubleshooting
My earpiece
does not work
with my phone.
Make sure the earpiece is fully charged.
Make sure earpiece is paired with the Bluetooth
phone you are trying to use.
See “Pairing Your Earpiece” on page 4.
My phone did not
locate the earpiece.
Turn both your phone and earpiece off and on, and
then repeat the pairing process on page 4.
I could not enter
my PIN code.
Turn both your phone and earpiece off and on, and
then repeat the pairing process on page 4. Your
PIN code, or Passkey, is 0000.
I cannot hear
caller/dial tone.
The earpiece is not turned on. Press the call control
button for approximately 2 seconds until you hear a
tone or see the indicator glow blue.
Your earpiece is out of range. Move the earpiece
closer to the Bluetooth phone. See “Range” on
page 10.
Your earpiece battery is drained. Charge your
battery. See “Charging Your Earpiece” on page 1.
The listening volume is too low. Incremental tapping
of the volume button will adjust volume. See
instructions for adjusting the volume in “Earpiece
Controls” on page 8.
Make sure that the eartip fits properly. See
“Adjusting the Fit” on page 6.

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Troubleshooting
Audio quality
is poor.
Make sure that earpiece is sitting correctly in ear with
boom pointing towards corner of mouth.
See “Adjusting the Fit” on page 6.
Callers cannot
hear me.
Your earpiece is out of range. Move the earpiece
closer to the Bluetooth phone. See “Range” on
page 9.
Check that you have not activated the Mute feature.
See “Earpiece Controls” on page 9.
The eartips do not
fit my ear.
Try a different size eartip. See “Adjusting the Fit” on
page 6.
My earpiece falls
out of my ear.
Make sure that Earpiece is sitting correctly in ear
with boom pointing towards corner of mouth. See
“Adjusting the Fit” on page 6.
My eartip needs to
be cleaned.
Remove the eartip from the earpiece and wash it
in warm soapy water and dry thoroughly. When the
eartip is completely dry, put it back on your earpiece.

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Using More Than One Bluetooth Phone
Plantronics Discovery 975 supports multipoint technology, which allows
you to use one earpiece with two different Bluetooth mobile phones.
How to Turn the Multipoint Feature On and Off
To use more than one phone, you must turn the multipoint feature
on. When this feature is off, your earpiece can connect to only one
Bluetooth phone.
1 With your earpiece turned off, press and hold the volume
and call control buttons simultaneously until earpiece turns
on and indicator flashes white 2 times.
2 To pair earpiece to a second phone, see “Pairing Your
Earpiece” on page 5.
NOTE To turn the multipoint feature off, repeat step 1. The indicator
flashes white once to indicate multipoint is off.
How to Initiate a Call
The earpiece initiates a call on the phone you most recently used. To
use the second phone, initiate the call using the controls on the second
phone. The second phone forms an active link with the earpiece.
How to Answer a Call While Talking on the Other Phone
To answer the second call, the first call must be terminated. There is no
function for placing one call on hold while answering another call from
the earpiece.
1 Tap the call control button once to hang up the existing call.
2 Tap the call control button again to answer the new call from
the other phone.
NOTE If you choose not to answer the second call, and you have voice
mail on the second phone, the call will go to voice mail.

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Product Specifications
Talk Time* Battery enables up to 5 hours
Standby Time* Battery enables up to 7 days with multipoint
feature OFF
Battery enables up to 4 days with multipoint
feature ON
Charge Time Charging earpiece using AC = 1.5 hours
Charging earpiece using USB = 1.5 hours
Charging earpiece using the case = 1.5 hours
Charging the case using AC = 1.5 hours
Charging the case using USB = 3.5 hours
Range Up to 33 feet (10 meters)
Earpiece Weight 8 grams
Battery Type Earpiece: Lithium ion polymer
Charging Case: Nickel-metal hydride
Storage/Usage
Temperature
50F–104F (10C – 40C)
Version Bluetooth 2.1 + EDR (Enhanced Data Rate)
Bluetooth Profiles Headset Profile (HSP) for talking on the phone
Hands-free Profile (HFP) for talking on the phone
and operating the phone
Secure Simple Pairing (SSP) for pairing earpiece
without entering PIN code/Passkey
* Performance may vary by device.