BACKLIGHT SENSOR
MEMORY
BUTTON FUNCTIONALITY
ROWING SCREEN ICONS
HOME SCREEN MODE
START/PAUSE/RESET
BUMPER
LANYARD ATTACHMENT
MENU NAVIGATION /
FLEX FIELD BUTTONS
*
SEAT DISPLAY VIEW MODE
(coming soon)
POWER ON/OFF &
MENU MODE
DEDICATED VOLUME
CONTROL
MONOBLOCK™ CONNECTOR
PORTS USING STABLESOCKET™
TECHNOLOGY.
CoxBox Core™
CoxBox GPS™
CoxBox Core
is upgradable
to GPS
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 dierent 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. 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 back 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 o (while on main rowing
screen only).
» 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*.
DATA LINK™
Select this option to connect the CoxBox to a mobile device to upload session data
(*CoxBox GPS only).
· On your mobile device, download LiNK Logbook from the app store
https://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.
Memory Storage
When the memory is full, the unit will stop recording data. When
nearing or at full data, 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.
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.
RECALL MENU
SELECT
EXIT
Mar 10 06:15a
Delete All Session Data?
Mar 10 06:00a
Mar 09 06:27a
JustGo-3050M
4x5:00/2:00
5x5:00/10:00
Mar 06 03:24a
Mar 01 06:17p
2(6:00,3:00,1000M
8x1000M/3:00
JustGo-3050M
SELECT
EXIT
3050M 15:36.0 01:57.0 28.7
DIST TIME SPLIT RATE
Fig1:Session Overview
JustGo-3050M
MORE
EXIT
100M 00:32 28.7 96
200M 1:06 28.5 92
300M 1:40 28.3 97
400M 2:11 27.7 95
500M 2:45 27.5 98
DIST TIME RATE HR
Fig2:Session Details
The total memory that the unit can store is approximately 25 hours.
Every stroke is stored in memory and the memory can be reviewed
by every 100 meter increment. The speed input (GPS or Impeller) and
system of units used will be stored as was rowed.
LIVE STREAM
Select Live Stream to broadcast your CoxBox 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.
» 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.
» Go to the Logbook app or http://logbook.nksports.com/ to view
live results.
*DENOTES GPS VERSION ONLY
ATHLETE PERFORMANCE MODE
(coming soon)
HOME SCREEN MODE
POWER ON/OFF &
MENU MODE
QUICK START GUIDE
» Press and hold the power button to turn the unit on.
» Use the arrow keys to adjust any ex elds to change measurements for current row (*GPS only).
» Press the Start/Pause/Reset button to enter Ready mode (Ready will appear in middle of
screen)
» Timer and recording will start when rst stroke is detected.
» Press the Start/Pause/Reset button to Stop the row (if necessary), 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 O appears and release to turn o the unit. (Turning o
will save session as well*)
INSTALLATION INSTRUCTIONS
» CoxBox Core and GPS are both backwards compatible with current NK wiring, speaker, chargers
and mounting cup. 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 CoxBoxes.
» Attach an A (or A+) harness to your CoxBox Audio connector port.
If you are using more than 1 speaker, attach an M harness to the end of the A (or A+) harness.
Attach a speaker to the M harness. For every additional speaker, you will need to use an
additional M harness to extend the connection throughout the boat. 4 speakers is the
maximum amount recommended for the CoxBox GPS or Core.
» Attach a microphone to the Microphone connector port to complete installation.
Smart
Connector
Microphone
Connector
Audio
Connector
Internal Battery
(Factory Replaceable)
Nielsen-Kellerman
US Toll-Free 800-784-4221 | Int’l Phone +1 610-447-1555 | Email support@nkhome.com
www.NKSports.com
311644_0_18.12.11
BATTERY USE AND CHARGING
A fully charged battery will provide approximately 10+ hours of operation, depending on backlight,
Bluetooth and accessory usage. Each bar on the battery indicator represents 20% of battery life, or
approximately 2 to 2.25 hours.
To charge your unit, you can use any Cox Box charger, as it works retroactively with previous
chargers. Place the charging plug in the semi-circle, 5 prong connector. The CoxBox will always
charge in the ON state, meaning you cannot turn it o 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, it will take up to 12 hours.
There also is an option for using the Espresso™ charger. The Espresso charger connects through
the rounded rectangular connector. This charger will charge the CoxBox in 1/3 of the time of the
standard charger. To fully charge the battery when dead, it will take up to 4 hours. If you need an
hour of usage with a dead battery, charge for 15 minutes with the Espresso charger.
The CoxBox can only be charged with NK supplied chargers. Please do no attempt to charge
CoxBox with any unapproved or 3rd party charging devices.
WARNING! LITHIUM-ION POLY BATTERY HAZARDS
Your CoxBox is equipped with a safety feature that will shut down charging if the battery is too hot or too
cold. Do not charge below 32⁰ F / 0 ⁰C or above 115⁰ F / 45⁰ C. It 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 eect and may produce irritating, corrosive and/or toxic gases, including toxic hydrogen uoride gas, which may cause dizziness or suocation. 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. NOTE: 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.
• Do not puncture or open the unit.
• 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 ABC- type extinguisher.
ADVANCED SETUP MENU
Impeller Calibration
To change your Calibration Value or run the calibration routine.
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.
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.
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.
CoxBox, NK, Nielsen-Kellerman and the CoxBox LiNK and NK logos are trademarks of Nielsen-Kellerman, Inc.
© Copyright 2019. All rights reserved. Patents Pending.
WORKOUTS (GPS version only)
Run Last Workout: Runs the last workout. This is a quick way to repeat 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.
Single Distance: Select this option to run a single distance-based workout at the distance shown.
Press , followed by and to adjust the distance. Then press 2x to run the workout.
Single Time:Select this option to run a single time-based workout for the time shown. Press ,
followed by and to adjust the time. Then press 2x to run the workout.
Intervals…
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
can be programmed. The SPC is loaded with 6 default workouts,
which are editable. Please note: Interval workout names are
automatically generated based on the type of intervals performed.
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 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 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.
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.
WORKOUTS
SELECT
EXIT
Single Distance
Run Last Workout
Single Time
Intervals...
2000M
00:30:00
NEW INTERVAL WORKOUT
SELECT
EXIT
Countdown OFF
Run Workout?
Intervals Equal
Work Dist
10S
1
100M
Rest Time
Repeat?
00:02:00
1
SPECIFICATIONS
Display Type
High contrast, sunlight readable monochrome LCD with 400x240
resolution
Display Size
3.6”x2.6”x1.2”
Battery Life
10+ hours, fully charged.
Battery Life Expectancy
2 - 5 years, factory replaceable
Charging Time
Standard Charging – 8.5 hours. Espresso™ Charging – 3.5 hours.
Dimensions
3.20” tall x 4.4” diameter. Retrots in current mounting cup.
Weight
1lb 6.1 oz
Waterproof
Waterproof to IP67, NEMA-6
Buoyancy
Floats
Measurements
Audio, Wireless Stroke Rate, Elapsed Time, Speed*, Memory*, Splits*,
Date*, Distance per Stroke*, Instantaneous Split/Speed*
Warranty
2 years
Environmental
RoHS compliant and marked in accordance with 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.
Accuracy
Speed +/- 0.1 m/s; Distance +/- 2.5m over any distance
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.
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.
Auto Shutdown
When Auto Shutdown is set to 10min, the unit will automatically shut o after 10 minutes of not
detecting a stroke rate. If the Auto Shutdown is set to OFF, the unit will only turn o when the user
manually shuts the unit down.
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.
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