We provide full factory service on every product we manufacture for as long as
we make the product (and as long after as component availability permits). If we
can’t repair a product, we will offer you a brand new replacement under our Trade
In Trade Up program - even for accidental damage and misuse. If you have a
problem with an NK product, visit www.nksports.com or contact us by phone,
e-mail or in person and we’ll do our best to make it right.
For fastest service, you can initiate a service request 24-7 at
www.nksports.com/nk-sports-service-request
For FAQ’s, chat and e-mail support, visit www.NKSports.com.
US Toll-Free 800-784-4221
Int’l Phone +1 610-447-1555
GENERAL INFO
info@nkhome.com
TECHNICAL SUPPORT
techsupport@nkhome.com
REPAIRS
repairs@nkhome.com
www.coxbox.com
3
ATHLETE PERFORMANCE MODE
(coming soon)
SEAT DISPLAY VIEW MODE
(coming soon)
POWER ON/OFF &
MENU MODE
HOME SCREEN MODE
START/PAUSE/RESET
BUMPER
MENU NAVIGATION /
FLEX FIELD BUTTONS
www.coxbox.com
4
CoxBox GPS
™
+
Core Front View
CoxBox Core
is upgradable
to GPS
DEDICATED VOLUME
CONTROL
MONOBLOCK™ CONNECTOR
PORTS WITH STABLESOCKET™
TECHNOLOGY.
INSTALLATION INSTRUCTIONS
»CoxBox Core and GPS are both completely compatible with all current NK
wiring, microphone, speaker, chargers and mounting cups.
»Attach the 5-pin receptacle end of your NK audio harness to the Audio
Connector Port. If present, be sure to align the rib on the receptable with the
notch on the Connector Port.
»Press the receptable straight in rmly to ensure a good connection.
Try not to twist the receptacle to avoid damaging the pins, sockets or plug.
»Since a rate sensor is no longer needed, you can remove the R harness and seat
magnet from your boat when using the new model. However leaving the rate
sensor attached will not cause any issues and you may want to keep it if you still
use older CoxBox Ampliers.
»Attach a NK R2 Microphone to the Microphone Connector Port to complete
installation.
AUDIO
CONNECTOR
MICROPHONE
CONNECTOR
SMART
CONNECTOR
www.coxbox.com
5
QUICK START GUIDE
»Press and hold the power button to turn the unit on.
Use the arrow keys to adjust any ex elds on the display to change
measurements for current row.
»Press the Start/Pause/Reset button to enter Ready mode (Ready will appear
in middle of screen)
»Timer and recording will start when the rst stroke is detected.
»Press the Start/Pause/Reset button to Stop the timer and recording. Press
again to resume rowing.
»Hold the Start/Pause/Reset button until Reset appears and release to reset
row and save stats in memory.
»Hold the Power button until Turn Off appears and release to turn off the
unit. Turning off will save the correct session as well.
Throughout this manual, features and functions specic
to the GPS model are indicated by this icon.
www.coxbox.com
6
BUTTON FUNCTIONALITY
When on the main rowing screen, use left and right arrows to
enter ex elds. Use up and down arrows to toggle the ex
eld to different measurements.
When in the menu screen, use up and down arrows to toggle
between menu items. Use right arrow to enter menu item and
use left arrow to exit menu item.
Use + to toggle volume higher and – to toggle volume lower.
Press and hold – to lower volume quickly to zero. These
buttons will change volume regardless of which screen is
showing.
Press to enter Ready mode (for use right before starting
rowing). Press again to Stop session. Hold and release when
Reset is on the screen to reset values and save rowing session.
Press on any screen to immediately return to the main
rowing screen.
Press to go into Seat Display Settings.
(Supported on a future release)
Press to go into Seat Display Measurements.
(Supported on a future release)
Press to enter Main Menu. Hold down to power on or power off
(while on main rowing screen only). The unit will also power off
automatically after - minutes of - .
www.coxbox.com
7
ROWING SCREEN ICONS
www.coxbox.com
8
GPS Mode / Satellite coverage: hollow icon means
no satellite connection, lled-in means adequate satellite
connection. It is recommend to wait until symbol is lled in before starting your row.
Impeller Mode: Denotes connected to an impeller
Speed and distance will be reported from impeller instead
of GPS.
Battery Life. Each bar represents about 20% of a full charge.
Connected to mobile device for Live Streaming.
CoxBox is connected to mobile device, but mobile device
has no cell service.
LIVE STREAM
Select Live Stream to broadcast your CoxBox GPS measurements to the cloud for
remote viewing. You will need to pair the CoxBox to a mobile phone and have the
phone in range of CoxBox to broadcast your data live. We recommend keeping the
phone in a waterproof bag.
NK is not responsible for damage to your phone. Be sure to use a waterproof
bag or case designed for phones!
»Download NK LiNK Logbook application to your mobile device.
»Make sure Bluetooth is enabled on mobile device and has cellular coverage.
»Open the NK LiNK Logbook application. Go to the Stream page in the app.
»Enter a Boat ID and make sure Streaming is toggled to ON.
»Select Live Streaming option on the CoxBox. Then go to
Phone Pairing-> Find New.
»You should show as connected fairly quickly. Use CoxBox normally to
broadcast live. Connected phone must stay near CoxBox in boat.
»Go to the Logbook app or logbook.nksports.com to view live results.
www.coxbox.com
9
NK LINK LOGBOOK LIVE STREAMING GUIDE
C
O
X
S
W
A
I
N
»Coxswain pairs CoxBox GPS to a mobile device using LiNK Logbook
application on the Stream page.
»Coxswain places mobile device in waterproof bag and brings into boat.
»Live streaming results are broadcast to the cloud.
www.coxbox.com
10
INTERNET CLOUD
»Coach or observer opens LiNK Logbook on their own mobile device and goes to
Live page.
»Navigate the map to your current location and click on the boat name that you
wish to view.
»There are no restrictions in the distance between these two mobile devices. As
long as they each have Cellular or Wi coverage you can monitor streaming
athletes real time from anywhere in the world with Live LiNK.
C
O
A
C
H
O
R
O
B
S
E
R
E
V
R
www.coxbox.com
11
MEMORY
1:06
1:06
1:06
1:06
1:06
Every stroke taken with the CoxBox running is stored in
memory and the memory can be reviewed in 100 meter
increments. The speed input (GPS or Impeller) and
system of units used will be stored as they were rowed.
Both impeller and GPS stats can be viewed upon export.
The total memory that the unit can store is approximately
25 hours.
»MEMORY STORAGE
When the memory is full, the unit will stop recording
data. When nearing or at full data, you must delete
all session data to continue recording (see below).
The amount of memory used can be found on the
bottom of the Recall Menu. An alert message will
appear when memory log is nearly full.
»DATA RECALL
Select Data Recall from the Main Menu to review
stored data. Recall memory will be formatted in
sessions according to date and time. Just Row
sessions will have the JustGo prex whereas a
Workout session will just show the pieces run.
Please note: a session is not complete until: a) In Just
Row, you reset the counter b) In Workout, the workout is
completed or cancelled.
www.coxbox.com
12
RECALL MENU
Delete All Session Data?
Mar 10 06:15a
Mar 10 06:00a
Mar 09 06:27a
Mar 06 03:24a
Mar 01 06:17p
JustGo-3050M
DISTTIMESPLITRATE
3050M 15:36.001:57.028.7
SELECT
JustGo-3050M
4x5:00/2:00
5x5:00/10:00
2(6:00,3:00,1000M
8x1000M/3:00
SELECT
Fig1:Session Overview
JustGo-3050M
DISTTIMERATEHR
100M00:3228.796
200M1:0628.592
300M1:4028.397
400M2:1127.795
500M2:4527.598
MORE
Fig2:Session Details
EXIT
EXIT
EXIT
»DELETE ALL SESSION DATA
This selection will delete ALL memory if chosen.
Sessions cannot be deleted individually.
»VIEWING SESSIONS
Selecting a session will bring up the Session
Overview (Figure 1). The overview provides the
overall distance, time, avg. split, and avg. stroke rate
during that session. Selecting the Session Overview
will bring up the Session Details (Figure 2). This
page will show the session breakdown by specied
period (time or distance). Select MORE to view
additional measurement values not currently shown
on the screen.
www.coxbox.com
13
DATA LiNK
™
Select this option to connect the CoxBox to a mobile device to upload session
data.
»On your mobile device, download LiNK Logbook from the App or
Google Play store nksports.com/link-logbook
»On your mobile device, turn Bluetooth on. Open LiNK Logbook and login to
your account.
»In the app go to the Workout Log Screen. Press the arrow/cloud icon in the
top right of the screen.
»On the CoxBox GPS, go to the Main Menu and select Data LiNK mode.
»In the Logbook app, your CoxBox should appear, select it to begin
uploading data.
»After data has uploaded, select the calendar date and session you want
to review.
www.coxbox.com
14
SETUP MENU
»SPEED/DISTANCE SETUP
Options are Speed mode or Split mode. Speed mode will display your speed
in the top right window (which can be exed). Split mode will display your
pace expressed as a time to cover a 500 meter distance. Units allows you to
change the units shown for speed and distance (options are: M,M/S, /500M;
KM, KMH, /500M; or MI, MPH, /MI).
»AUTO PAUSE
If toggled ON, the unit will stop the timer if it does not detect a stroke within
the last 6 seconds. If toggled OFF, the unit will not stop the timer even if no
strokes are being detected. If you would like to stop the timer manually, select
the button to start and stop the timer manually.
Please note: the unit will not Auto Pause during the Rest sessions
of a Workout.
NOTE: Average Speed is always calculated as a function of the distance
covered in the elapsed time shown. Because the timer will continue to
run while you are not rowing, turning Auto Pause “OFF” will impact the
calculation of your cumulative average speed.
»AUTO SHUTDOWN
When Auto Shutdown is set to 10min, the unit will automatically shut off after
10 minutes of not detecting a stroke rate. If the Auto Shutdown is set to OFF,
the unit will only turn off when the user manually shuts the unit down.
www.coxbox.com
15
ADVANCED SETUP MENU
»IMPELLER CALIBRATION
When using an impeller, this setting allows you to run the calibration routine and
enter a calibration value.
»GPS SPD SMOOTHING, STROKES
The Speed Smoothing feature will average the last number of strokes selected.
If “2” is selected, for example, the Speed/Split displayed will be an average of
the last two strokes, updated every stroke. If you decrease this number, the
speed value displayed will respond more quickly to changes in boat speed.
If you increase this number, the speed value will be more stable, but will take
longer to show changes in boat speed.
»STROKE RATE SETUP
Options are Timer Start Acceleration, Noise Filtering and Axis.
»TIMER START ACCELERATION
Governs the degree of acceleration that must be detected to start the stroke
meter. The default value is 4. If you increase this value, a more forceful stroke
is needed to start the timer. If you decrease this value, a less forceful stroke is
needed to start the timer.
»NOISE FILTERING
Governs the degree to which the accelerometer will register changes in
acceleration as a stroke. The default value is 3. If you increase this value, more
acceleration is needed to register a stroke. If you decrease this value, less
acceleration is needed to register a stroke.
www.coxbox.com
16
»AXIS
Allows you to select Front-Back (2) or Any (3). Front-Back (2) is generally
recommended for rowing assuming that the unit will be mounted perpendicular
to the long axis of the boat. If mounting at a non-perpendicular axis, the
recommendation is to toggle to Any (3).
»TIME AND DATE
Used to change the format of the date and time displayed.
Please note: only time shows currently, date will be shown on recall screen.
»DIAGNOSTICS
The Diagnostics screen provides information about the performance of your
unit’s GPS receiver, accelerometer, HRM, clock, and charging system. This
information assists NK tech support in troubleshooting your unit in case it is not
functioning correctly.
»FACTORY RESTORE
This will reset the rmware back to the default settings. This will also erase all
data sessions but will not reset odometer values.
www.coxbox.com
17
WORKOUTS
»RUN LAST WORKOUT: Runs the last workout. This is a quick way to repeat
»SINGLE DISTANCE: Select this option to run a single distance-based workout
»SINGLE TIME: Select this option to run a single time-based workout for the
»INTERVALS…
www.coxbox.com
18
single distance or single time workouts without setting up intervals.
NOTE : Press to ready the workout. Workout will start when rst stroke is detected.
Press to pause a workout. Hold to cancel a workout.
at the distance shown. Press , followed by and to adjust the
distance. Then press 2x to run the workout.
time shown. Press , followed by and to adjust the time. Then
press 2x to run the workout.
Select this option to create a multi-interval based
workout (e.g. time, distance, and/or rest periods).
You can select from the pre-loaded workouts or
customize to create your own. Up to 6 custom
WORKOUTS
Run Last Workout
Single Distance
Single Time
Intervals...
workouts can be programmed. The CoxBox is
loaded with 6 default workouts, which are editable.
Please note: Interval workout names are
automatically generated based on the type of intervals programmed.
SELECT
2000M
00:30:00
EXIT
CREATING AN INTERVAL WORKOUT
First select a pre-existing workout to edit. Use and to
select a eld. Press the , followed by the and to modify the middle
column. Press again, followed by and to adjust the right column
value. Press return to eld selection.
Please note: pressing the will automatically SAVE and exit the workout when
nished.
»COUNTDOWN: When toggled ON, a countdown timer will start when the rst
stroke is detected. When the countdown reaches zero, the workout will begin.
Tip: The countdown allows the user to build to “race pace” before starting their
workout. If countdown is toggled OFF, the workout will start immediately when
the rst stroke is detected.
»INTERVALS: Determines the type and number of
intervals in the workout.
If you select Equal, all work intervals will be equal in
type and value and all rest intervals will be
WORKOUTS
Run Last Workout
Single Distance
Single Time
Intervals...
equal in type and value.
If you select Variable, you can create a multi-faceted
workout of work and rest intervals that
can each vary by type and duration.
SELECT
2000M
00:30:00
EXIT
www.coxbox.com
19
»WORK: Denes the rst work interval of the workout.
Work can be time based or distance based. If more
than one interval is being performed, a number will be
added to this entry (i.e., Work1, Work2, Work3, etc).
»REST: Denes the amount of rest in between work
intervals. Rest can be time based or distance based.
The number shown to the right is the rest value
per the unit shown. Similarly if more than one rest
period is entered in a variable workout, it will be
followed by a number.
»NUMBER OF SETS: Select the number of sets
of the proceeding interval workout to run. For
example if you have a workout with a work and rest
interval, setting this to 2 will run this work and
rest interval workout twice.
»REST BETWEEN SETS: Only appears if Number
of Sets is greater than 1. Denes the rest period
between a repeated group of intervals.
www.coxbox.com
20
NEW INTERVAL WORKOUT
Run Workout?
CountdownOFF
IntervalsEqual
WorkDist
RestTime
Repeat?
SELECT
100M
00:02:00
10S
1
1
EXIT
BATTERY USE AND CHARGING
» A fully charged battery will provide approximately 10+ hours of operation,
depending on speech, volume, duration, backlight, Bluetooth and accessory usage.
Each bar on the battery indicator represents 20% of battery life, or approximately 2
to 2.25 hours.
» CoxBox Core and GPS can be charged with any exisiting NK CoxBox charger.
Standard NK chargers must be plugged into the audio port (the semi-circular
connector).
» You may also speed up charging considerably with the new NK Espresso
This charger will charge the CoxBox in 1/3 of the time of the standard charger. The
Espresso charger must be plugged in to the smart port (the rectangular connector).
» The CoxBox will always charge in the ON state, meaning you cannot turn it off while
it is charging. The battery indicator will ash to show that it is charging. When the
battery indicator stops ashing, the unit is fully charged.
» To fully charge the battery when dead with a standard NK charger will take roughly
12 hours. To fully charge the battery when dead with the Espresso charger will take
roughly 4 hours. If you need an hour of usage with a dead battery, charge for 15
minutes with the Espresso charger.
The CoxBox must only be charged with NK supplied
chargers. Please do not attempt to charge CoxBox
with any unapproved or 3rd party charging devices
Standard (Exisiting)
NK Chargers
NEW EspressoTM
Charger
as permanent damage not covered under warranty
may occur.
TM
charger.
www.coxbox.com
21
WARNING! LITHIUM-ION POLY BATTERY HAZARDS
Your CoxBox contains a lithium-ion poly battery pack. Lithium-ion batteries contain
ammable liquid electrolyte that may vent, ignite and produce sparks when subjected
to high temperatures or when damaged or overcharged. If ignited, batteries may burn
rapidly with a are effect and may produce irritating, corrosive and/or toxic gases,
including toxic hydrogen uoride gas, which may cause dizziness or suffocation.
Contact with battery electrolyte may be irritating to skin, eyes and mucous membranes.
Do not ever subject to re or temperatures above 140°F | 60°C.
WARNING! A car in hot sunlight may exceed these temperatures!
»Do not charge, use, transport or store above 115°F | 45°C.
»Do not charge below 32°F| 0°C.
NOTE: Your CoxBox is quipped with a safety feature that will shut down charging if the battery
is too hot or too cold.
»Do not puncture or open the unit.
»Do not continue to use a CoxBox that has been damaged, shows signs of water
ingress, or has displayed repeated charging errors.
»If you see smoke or smell fumes, STOP charging or use immediately and remove
the CoxBox from charge.
»If the unit’s internal battery pack is damaged, avoid contact with battery
electrolyte, which may be irritating to skin, eyes and mucous membranes.
»In case of battery re, evacuate the area to avoid inhalation of fumes.
If possible, cover the battery with sand to extinguish the re or use a dry ABCtype extinguisher.
www.coxbox.com
22
WARNING: This product and/or its included or branded accessories can expose you to
chemicals, including lead, lead compounds and phthalate DEHP, which are known to the State
of California to cause cancer and lead and lead compounds, bisphenol A (BPA), and phthalate
DnHP, which are known to the State of California to cause birth defects or other reproductive
harm. For more information, go to www.P65Warning.ca.gov and www.NKSports.com/prop65.
Many of the elements listed under Proposition 65 are commonly found in products in the
electronics industry. Although NK Sports’ manufacturing process is “lead-free,” it remains
possible that small amounts of lead could be found in components or subassemblies. Bisphenol
A (BPSA) could be found in plastic housings, lenses, labels or adhesives, and DEHP & DINP
(phthalates) could be found in PVC wire coatings of cables, housings, carrying cases, an/or
power cords. Because we cannot guarantee that these chemicals are never present, we have
elected to place the warning on our products to ensure compliance with California law and our
customers’ right to know. While we have not attempted to evaluate exposure, we believe that
normal consumer use of this product is unlikely to result in exposure that creates a signicant
risk of harm. For more information visit www.NKSports.com/prop65 or contact us directly at
techsupport@nksports.com.
www.coxbox.com
23
MAINTENANCE
Follow these steps to keep your CoxBox static-free and reliable for years.
1. Use Isopropyl alcohol to clean the inside of all the
connector sockets.
2. Insert metal brush (supplied with Audio Maintenance kit) into
each socket several times to loosen and clean debris. If you
do not have the Audio Maintenance Kit metal brush, you can
substitute a pipe cleaner for this step.
3. Next use a pipe cleaner to remove any excess alcohol
and debris.
www.coxbox.com
24
4. Apply Nyogel grease to each of the sockets. Be careful
not to overll, only a small amount is needed.
5. Using a foam swab, apply Nyogel to inside and outside
of all three rubber connectors, not the plastic.
6. If not using Smart connector, cover with Smart
Connector Cap.
Keep Smart Connector Cap in place any time you
do not have something plugged in to connector.
This is particularly important on the water as if
prevents corrosion of the sockets.
www.coxbox.com
25
LIMITED WARRANTY
O
W
T
L
I
M
2
I
T
E
D
W
The following issues do not result from a manufacturing defect and are not
covered under this warranty:
»Damage due to improper use or neglect (including corrosion)
»Damage resulting from severe impact, crushing or mechanical harm
»Modications or attempted repairs by someone other than an authorized NK
»Normal wear and tear
»Diminished battery capacity within normal range for the number of charge/
»Damage due to charging with a non-NK charger or charging system
www.coxbox.com
26
Y
-
E
A
Nielsen-Kellerman Co. (“NK”) guarantees your CoxBox to be free of
R
Y
defects in materials and workmanship for a period of TWO YEARS
T
N
A
R
R
from your date of purchase. NK will repair or replace with the same or
A
equivalent product, at NK’s option, any defective product or part when
notied within the warranty period. NK may use new or reconditioned
parts in performing limited warranty repairs and building replacement
products. NK will return the product via domestic ground shipping or
NK’s choice of method of international shipping at no charge.
repair agent
discharge cycles
Your warranty period will be measured from your date of purchase. Ensure
full warranty coverage by REGISTERING your NK product promptly at
www.nksports.com. We keep your registration information in strict condence and
do not sell it, share it, or use it for anything but product-related information bulletins
(which you may decline receiving). If you do not register and cannot provide proof of
purchase, your warranty period will be measured from our date of manufacture by
serial number. Removing or defacing the serial number voids this warranty. Repair or
replacement under the terms of this limited warranty does not extend or renew the
warranty period.
Except for the warranties set forth herein, NK disclaims all other warranties,
expressed, implied or statutory, including, but not limited to, the implied
warranties of merchantability or tness for a particular purpose. Any implied
warranties that may be imposed by applicable law are limited to the term of this
warranty. In no event shall NK be liable for any incidental, special or consequential
damages, including, but not limited to, loss of business, loss of prots, loss of data
or use, whether in an action in contract or tort or based on a warranty, arising out
of or in connection with the use or performance of an NK product, even if NK has
been advised of the possibility of such damages. You agree that repair, and (upon
availability) replacement, as applicable, is your sole and exclusive remedy with
respect to any breach of the NK Limited Warranty set forth herein. All product liability
and warranty options are governed exclusively by the laws of the Commonwealth of
Pennsylvania.
www.coxbox.com
27
COMPLIANCE
IC
RoHS
www.coxbox.com
28
This device complies with part 15 of the FCC Rules. Operation is subject
to the following two conditions:
1. This device may not cause harmful interference,
2. This device must accept any interference received, including
interference that may cause undesired operation.
This Class B digital device complies with Canadian ICES-003.
Conforms with Council Directive 2004/108/EC (12/15/2004) on
Electromagnetic Compatibility.
RoHS(Reduction of Hazardous Substances) compliant.
Marked in accordance with the WEEE (Waste Electrical and Electronic
Equipment) Directive. Please do not dispose of the CoxBox, Charger or Battery Pack in your household trash. Return to NK, an NK dealer, or
a designated recycling center for proper recycling and disposal.
Does not contain greater than >0.1% of the substances of Very High
Concern (SVHC) on the REACH European Regulation on the Registration,
Evaluation, Authorisation and Restriction of Chemicals Candidate List.
SPECIFICATIONS
DISPLAY TYPEHigh contrast, sunlight readable monochrome LCD with 400x240
resolution
DISPLAY SIZE3.6”x2.6”x1.2”
BATTERY TYPE2600 mAh rechargable LiPoly multi-cell internal pack
DIMENSIONS3.20” tall x 4.4” diameter. Retrots in current mounting cup
WEIGHT1lb 6.1 oz
WATERPROOFWaterproof to IP67, NEMA-6
BUOYANCYFloats
MEASUREMENTSAudio, Wireless Stroke Rate, Elapsed Time, Speed, Memory,
WARRANTY2 years
ENVIRONMENTAL RoHS and REACH compliant and marked in accordance with
ACCURACYSpeed +/- 0.1 m/s; Distance +/- 2.5m over any distance
2 - 5 years, factory replaceable
Splits, Date, Distance per Stroke, Instantaneous Split/Speed
the WEEE directive. Please do not dispose of CoxBox in your
household trash Return to NK, an NK dealer, or a designated
recycling center for proper disposal
www.coxbox.com
29
www.coxbox.com
30
www.coxbox.com
31
Nielsen-Kellerman
www.NKSports.com
311644_2_19.06.20
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