NB N4 User manual

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1
English
N4 FEATURES AND SPECIFICATIONS
Analog Heart Rate Monitor
12 / 24 Hour Clock
50 Year Calendar
Daily Alarm
Backlight
Customized User Settings
User Selectable Chronograph Views
 • %MaximumHeartRate
 • TotalCalories
 • TotalTimeInHeartRateZone
 • UpperHeartRateLimit
 • LowerHeartRateLimit
 • TotalTime
24 Hour Chronograph
9 Run Memory
Accumulated Memory of last 9 Runs
PresetHeartRateIntensityZones
HeartRateZoneAlarm
Comprehensive Run Data Mode
 • RunDate
 • TotalTime
 • TotalTimeInHeartRateZone
 • TotalCalories
 • %FatBurned
 • MaximumBPM
 • AverageBPM
N4 HRM TABLE OF CONTENTS
 N4FeaturesandSpecications ....................................................... 1
Warnings and Cautions.................................................................... 2
Warnings and Cautions.................................................................... 3
 CareoftheHRTransmitter .............................................................. 3
 WearingtheHRTransmitter............................................................. 4
 TIMEMODE..................................................................................... 5
 SettingTimeandDate...................................................................... 5
 TurningButtonChimeONorOFF.................................................... 5
 SwitchingUpperDisplayinTimeMode............................................ 5
 HRMMODE ..................................................................................... 6
 UsingthePresetHeartRateIntensityLevels .................................. 6
HRM Mode User Settings ................................................................ 6
 HeartRateZoneAlarmandLimitIndicators .................................... 7
Switching HRM Mode Views ............................................................ 7
Saving Workout to Data Mode or ..................................................... 7
Clearing Workout without Saving to Data Mode
DATAMODE..................................................................................... 8
Reviewing Stored Workouts............................................................. 8
Clearing Stored Workouts ................................................................ 8
 USINGTHEBACKLIGHT ................................................................ 8
 ALARMMODE................................................................................. 8
Setting the Daily Alarm..................................................................... 8
 TurningtheAlarmONorOFF .......................................................... 8
Water Resistance and Batteries....................................................... 9
Battery Replacement........................................................................ 10
 TroubleshootingtheN4Watch......................................................... 11
 TroubleshootingtheHRTransmitter ................................................ 12

2
English
WARNINGS AND CAUTIONS
WARNING:Beforestartinganyexerciseprogram,westronglysuggestthatyouvisityourdoctorforacompletephysicalandtodiscuss
yourexerciseplans.
PLEASEREADallinformationinthisinstructionmanualbeforeusingthisunit.
NOTICETOPEOPLEWEARINGPACEMAKERS:Whiletheheartratemonitorisapassivesystemandshouldhavenodirecteffect
onapacemaker,westronglyrecommendanyonettedwithsuchadevicecontacttheirphysicianorcardiologistbeforeusingthis
productorstartinganexerciseprogram.
Pleasekeepinmind;yourwatchisasensitivetechnicalinstrument.Withpropercareandmaintenance,itwilllastformanyyears.
However,impropercareandhandlingcancausethevarioussensorstobedamagedandwillharmthefunctioningcapabilities.
NEVERpushthebuttonsunderwater,whenthewatchiswetorwhenyouarecleaningorrinsingtheunit.Youareactuallypushing
water inside the watch.
DONOTusethewatchinahottuborextremelyhotshower/bath.Hightemperaturesandsteamcandamagetherubberseals.
DONOTexposethewatchtosuddenchangesoftemperaturebygoingfromahottubtocoldwater.Thiscanmaketherubberseals
contract and allow water to penetrate.

3
English
WARNINGS AND CAUTIONS
DONOTwearthewatchinsoapydishwaterorbubblebaths.Thealkalicontainedinsoapscandamagetherubberseals.
DONOTusecleaningsolventstocleanyourwatch.SolventsWILLdamagetheintegrityoftheplastic.Thewatchcanbewipedclean
with a lightly moistened cloth.
ALWAYSrinsethewatchwithcleartapwaterafterexposuretosaltwater.Saltishighlycorrosiveandcandamageboththerubber
seals and the watch case.
PROTECTthewatchfromextremeheat,shocksandexcessiveexposuretodirectsunlight.
NEVERexposethewatchtostrongchemicalssuchasgasoline,cleaningsolvents,acetone,alcohol,insectrepellent,sunscreenand
othertoiletries,astheymaydamagetheunit.
KEEPtheunitoutofthereachofchildrenandpets.Theunitcontainssmallpartsthatmightbeswallowed.
NEVERdisassembleormodifytheunit.ModicationstothisunitwillVOIDTHEWARRANTY.
CARE OF THE HEART RATE TRANSMITTER
 • Aftereveryuseyoushouldrinsethetransmitterstrapandelasticinwarmfreshwateranddrywithadrycloth.
 • Donotstorethetransmitterwhenwetasthismayshortenthebatterylife.
 • Thetransmittershouldbestoredatratherthanfoldedandshouldnever
be bent or stretched as this may damage the electrodes.
 • Neverlayyourheartratetransmitteronametalsurface,asthiswillquicklydrainthebattery.

4
English
WEARING THE HEART RATE TRANSMITTER
Theheartratetransmitterstrapconsistsoftwoconductiveelectrodes
attached to a small radio transmitter housed in the center of the strap.
Theelectrodessensetheelectricalpotentialcreatedeachtimeyourheart
contracts and the radio transmitter sends a signal to the watch each time
the electrodes sense the heart beat.
Forthebestperformance,alayerofsweatshouldbebuiltupbetweenyourskin
andtheelectrodesofthetransmitter.Thismakesiteasierfortheelectrodes
to “see” the electrical signal.
Oncooldaysoratthebeginningofyourworkout,itmaybenecessary
to moisten the electrodes on the back of the transmitter using saliva
or one of the commercially available conductive creams.
DONOTusetapwatertomoistentheelectrodesastapwaterwillact
as an insulator rather than a conductor and may actually reduce
the performance of the system.
Thetransmittershouldbewornaroundtheribcage,justbelowthepectoralmuscles.
Theelasticstrapofthesystemshouldbeadjustedsothatitissnugenoughsoit
doesnotmoveduringuse,butnotsotightastorestrictbreathing.
Whilethewearingofthetransmitterstrapmayfeelabitstrangeinitially,
most people become used to it within a few days and cease
to even notice they are wearing it.
ELECTRODES

5
English
TIME MODE
InTIMEmode,youcansetthetimeofdayanddate
for your local time zone and the clock format (12/24 Hour).
Setting Time and Date
 • FromTIMEmode,PRESS&HOLDLIGHT/SET
  toenterthesettingsequence.
 • PRESSSTART/VIEWorSTOPtomakechanges.
 • PRESSMODEtomovetothenextvalue.
 • Whenallvariablesareprogrammed,
  PRESSLIGHT/SETtoexittimemodesettings.
Turning Button Chime ON or OFF
 • InTIMEmode,PRESSSTART/VIEWtotoggle
  thebuttonchimeONorOFF.
 • WiththebuttonchimeON,ashortbeepwillsound
upon each button press and at the top of each hour.
NOTE: Turning the button chime ON, does effect the overall
battery life.You will experience a longer battery life
if you leave the button chime OFF.
Switching Upper Display in Time Mode
 • InTIMEmode,PRESSSTOPtotoggle
between Day-of-the-Week / Day
and Month / Day in the upper display. Select Clock Format
MODEMODE
Select Day
Select Month
MODEMODE
Set Hour
MODE
MODE
Set Minutes
Select Year
Set Seconds
00:00’03”

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English
HRM MODE
HRM mode is the performance chronograph mode where you
viewcurrentHRM,percentagemaximumHRM,totalcalories
burned,totalrunningtimeandyourheartratezones.
Using the Preset Heart Rate Intensity Levels
TheN4hastheabilitytoautomaticallysettheusersheartrate
zonebasedthefollowingequations.Thesettingcanbefound
in HRM mode user settings.
MaleMaximumHeartRate=214-(0.8*age)
FemaleMaximumHeartRate=209-(0.7*age)
L1(LightIntensityWorkout)=60%MaxHRto70%MaxHR
L2(MediumIntensityWorkout)=70%MaxHRto80%MaxHR
L3(HeavyIntensityWorkout)=80%MaxHRto90%MaxHR
HRM Mode User Settings
NOTE: The chronograph must be reset to 00’00”00
to enter the user settings.
 • FromHRMmode,PRESS&HOLDLIGHT/SET
  toenterthesettingsequence.
 • PRESSSTART/VIEWorSTOPtomakechanges.
 • PRESSMODEtomovetothenextvalue.
 • Whenallvariablesareprogrammed,
  PRESSLIGHT/SETtoexitHRMmodesettings.
MODE
MODE
MODE
MODE
MODE
00:00’03”
MODE
MODE
MODE
Select Units
Set Metric Height
Set Metric
Weight
Set Imperial
Weight
Turn Heart Rate
Zone Alarm ON / OFF
Set Imperial Height
OR
OR
Set Age Set Gender
Select Heart Rate Zone Level
Customize Upper
Heart Rate Zone Limit
Customize Lower
Heart Rate Zone Limit
Heart Rate
Zone Alarm
ON Icon

7
English
Heart Rate Zone Alarm and Limit Indicators
TheN4willnotifyyouifyouareoutside
your heart rate zone in two ways
 • Azoneindicatoriconwillash
in the display depending where you
are outside your set heart rate zone.
 • Thewatchwillbeepalongwiththeashing
the corresponding zone indicator.
Switching HRM Mode Views
YoucanchangetheupperdisplaybypressingSTOP
at any time during a workout.
Below is a list of HRM Mode Views
Total
Workout
Time
Total
Time
In-Zone
% Max
Heart
Rate
Maximum
Heart
Rate
Total
Calories
Burned
Minimum
Heart
Rate
Time
of
Day
Upper Zone
Indicator
Lower Zone
Indicator
Using the Chronograph & Saving Workout to Data Mode or
Clearing Workout without Saving to Data Mode
 • PRESSSTART/VIEWtostartandstopthechronograph.
The chronograph must be stopped to save or clear the data.
 • PRESS&HOLDSTOPfor3secondstosaveworkout
  todatamodeandresetHRMmodefornextworkout.
 • PRESS&HOLDLIGHT/SETfor3secondstoclear
  HRMmodewithoutsavingtoDATAmode.
NOTE: All workout data will be lost if you clear HRM mode
without saving.
DATA MODE
DATAmodecanstoreatotalof9individualworkoutsand
one accumulated record of the 9 runs within memory.
Below is a list of the information stored within data mode
for each workout and accumulated record.
 • WorkoutDate
 • TotalWorkoutTime
 • TotalTimeWithinHeartRateZone
 • TotalCaloriesBurned
 • PercentageFatBurned
 • MaximumHeartRate
 • AverageHeartRate

8
English
DATA MODE
Reviewing Stored Workouts
 • FromDATAmode,PRESSSTART/VIEWtoselectdesired
workout or accumulated record.
 • Thestoredinformationforeachworkoutwillbegin
to auto-scroll at 4 second intervals.
Clearing Stored Workouts
 • Selecttheworkoutyouwishtoclearfrommemory.
 • PRESS&HOLDLIGHT/SETfor3seconds
to clear the selected workout.
 • ContinuetoHOLDLIGHT/SETforatotalof5seconds
  toclearALLworkoutmemory.
NOTE: If you have the accumulated record selected,
all workout memory will be cleared after HOLDING
LIGHT / SET for only 3 seconds.
USING THE BACKLIGHT
 • InANYmode,PRESSLIGHT/SET
to activate the 3 second backlight.
NOTE: Heavy use of the backlight will effect the overall battery
life. Although we recognize the backlight is an extremely
valuable feature of any watch, avoiding unnecessary activating
or pressing the backlight button in rapid succession
should be avoided.
ALARM MODE
Setting the Daily Alarm
 • FromALARMmode,PRESS&HOLDLIGHT/SET
  toenterthesettingsequence.
 • PRESSSTART/VIEWorSTOPtomakechanges.
 • PRESSMODEtomovetothenextvalue.
 • Whenallvariablesareprogrammed,
  PRESSLIGHT/SETtoexitalarmmodesettings.
NOTE: The Alarm will automatically turn ON
upon exiting the alarm settings.
Turning the Alarm ON or OFF
 • WithinALARMmode,pressSTART/VIEW
  totogglethealarmONorOFF.

9
English
N4 Watch Water Resistance
50Meter/5BAR/5ATM
Suitable for surface swimming and bathing
NOTE: Environments with steam or extremely high humidity levels
could cause water damage.
NOTE: Water damage may occur if buttons are pressed underwater.
N4 Watch Battery
CR20253vLithium
approximately1yearbatterylife
N4 Heart Rate Transmitter Water Resistance
30Meter/3BAR/3ATM
NOTE: The Heart Rate Transmitter should not be submerged in water.
NOTE: Environments with steam or extremely high humidity levels
could cause water damage.
Heart Rate Transmitter Battery
CR20323vLithium
approximately700-800hoursbatterylife
Signsoffailing/dyingbatteriesare:
- a fading or blank display
(especially when the backlight is active)
- the heart rate function will not activate
NOTE:Keepwatchbatteriesawayfromchildrenandpets.
NOTE:Thisproductcontainsabutton-cellbattery.Ifswallowed,
contact a physician immediately; severe damage or death may
occur.
NOTE:Watchbatteriescontainchemicalsubstances.
Disposeofthewatch,batteryandallcomponentsaccordingto
local regulations. Unlawful disposal can contribute to environ-
mental pollution.
NOTE:Donotplacebatteryinre;thebatterymayexplode.
NOTE:Specialhandlingmayapply.
See www.dtsc.ca.gov/hazardouswaste/perchlorate.
BEAWARE:Lithiumbatteriesofthetypeusedinthisunitare
verysusceptibletoimproperstorage.Manytimes,batteriespur-
chasedasnewaredeadorweakbeforetheyarepurchased.If
youtryanewbatteryandproblemspersist,pleasetryasecond
batteryfromanothersource,justtobecertain.