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Rowing & Sports Performance Monitoring Support
Troubleshooting/FAQs - SpeedCoach®
NOTICE: The most effective way to troubleshoot
the SpeedCoach unit is to narrow the variables and determine
which component is at fault. In order to do this, you will need to trade
units with a fellow rower. You should use his or her unit
(with the same stroke-mode setting and calibration number as
your unit) on your dock station. The fellow rower should
use your SpeedCoach (with the same settings) on his or her docking
station. This will allow you to determine if the control
unit or the docking station is at fault.
Need Help?
Our NK Knowledge Center is available 24-7, and has answers to many common questions, along with tips and tricks for using NK products.
For email assistance with the installation or operation of your NK product, write techsupport@nkhome.com.
For help with an apparent malfunction, or to arrange or inquire about a repair, write repairs@nkhome.com.
Or call 800.784.4221 (610.447.1555 outside of the USA), Monday to Friday, 9 to 5. |
When should I reset my SpeedCoach?
- If you are experiencing difficulty with your SpeedCoach unit,
you should initially try performing a hard reset.
Will resetting my SpeedCoach erase the memory? / Will I lose
my accumulated distance if I reset my SpeedCoach?
- The hard reset will clear all memory and
restore the factory default settings. If your accumulated distance is important
to you, please record it. If you ran the calibration
routine and changed the calibration number, please record
the calibration number.
How do I reset my SpeedCoach?
- Using a nickel, since other coins tend to
destroy the plastic, remove the battery port door. Then, remove the battery. While
the battery is out, depress the top and bottom switches for
ten seconds and then release them. Wipe the battery clean
so that it is void of fingerprints and any other debris. Re-install
the battery with the negative side down. Make sure
the O-ring is correctly positioned in the case groove. Re-align
and install the battery port door, making certain you completely
seal it. Now, turn the unit on. If the accumulated
distance does not read zero, repeat the hard reset. Once
the accumulated distance is zeroed, you can enter a recorded
calibration number if you have one. If you were experiencing
difficulty with your stroke rate readings, put the unit in
the 0-Stroke mode.
- Doing a hard reset quick resets calibration to 1.000 and
the stroke mode to 2-STROKE mode.
Why does it seem like my stroke rate is doubled?
- Your unit is probably in 1-Stroke mode. To change your
unit from 1-Stroke mode to 2-Stroke mode, hold the bottom button
until “2-STR” appears on the display, then release
it.
Why can’t I get my stroke rate or speed
readings?
- In this case, it is most likely the case
that the unit is not in contact with the mounting bracket since
no boat information is reaching the unit. Push the unit onto the mounting
bracket until you hear a loud click. Be sure the lanyard
is not interfering with the connection.
How come I’m not getting any speed/split
readings?
- First of all, you will not get these readings
unless you have the impeller installed in your boat. While
your SpeedCoach can execute other functions without the impeller,
it is essential that the impeller be installed for split
readings.
- If you do have this problem with an installed
impeller, you need to make sure that the impeller is installed
close enough to the blue sensor. The impeller must be
mounted within 10” of the blue sensor. See SPC
installation instructions for more information.
Why does my speed/pace reading seem inaccurate?
- You have an incorrect calibration number
and must reset the calibration of your unit. See unit
instructions for more information.
How come I’m not getting a stroke rate
reading?
- This is happening for one of two reasons. It could
be that the magnet is not passing close enough to the black
sensor. To solve this problem, you must adjust the magnet
installation so that the magnet passes the black sensor within
3/4”s.
- The other possibility is that the magnet
and black sensor are not aligned correctly. See SPC
installation instructions for more information.
Why am I not getting a stroke rate, time, or distance readings?
- This could possibly be a seat sensor failure. To
make certain that it is a problem with the sensor and not the
unit, put the SpeedCoach in 0-STROKE mode to bypass the seat
sensor.
Why isn’t my timer starting?
- Your unit is in STOP or MEMORY mode. You
just need to clear STOP.
How do I properly install my impeller and SpeedSensor (blue
sensor)?
- The impeller should go 16’3” from the bow. If
elsewhere on the boat, the SpeedCoach should be recalibrated. It
should be positioned approximately under the footstretchers. While
the impeller does not need to be on the centerline, it must
be submerged (if NOT centered be sure to still align the sensor
accordingly with the movement of the boat). The impeller
can be adhered to the hull of the boat with double-sided
tape (included with purchase) or good electrical tape.
- The SpeedSensor, which is the blue sensor
provided, should be as close to the impeller as possible (maximum
or 11”). You
install the SpeedSensor inside the hull (i.e. the opposite
side from the impeller). The SpeedSensor can either
be installed perpendicular to the impeller when positioned
directly above it, or parallel to the impeller when it is
located one impeller length in front or behind of the actual
impeller. Although
inside the hull, the SpeedSensor still must be fixed securely
to the shell. Make sure you clean the surface well
before taping it to the boat.
How do I install the magnet and SeatSwitch (black sensor)?
- The SeatSwitch, or black sensor, should
be fixed mid-way through the length of the slide. This will ensure the
best reading. Additionally, it MUST be oriented perpendicularly
to the axis of the boat.
- The magnet must pass over the SeatSwitch. Therefore,
it too must be oriented perpendicularly to the axis of the
boat. You also must make sure that it is mounted to the
seat within 3/4” and 1 1/2” of the deck.
Do I need to calibrate my SpeedCoach?
- The SpeedCoach is factory calibrated to
provide reasonably accurate performance in most shells IF the
impeller is installed approximately 16’3” (5m) from the bow. Calibration
is an optional step, which allows the display unit to compensate
for different impeller locations and to perform very accurately. You
do not need to calibrate your system if you are only concerned
with comparing performance on a day-to-day basis. However,
calibrating your unit will make certain your splits are accurate.
How do I calibrate my SpeedCoach?
- To calibrate your system, row or paddle
over a measured distance on still water (on moving water row
or paddle both up and down stream and average the results shown
on your display). Then,
use the following formula to obtain your calibration value:
- Make a record of your calibration value
for future reference. If
you move your unit to a new boat, or modify the location of
your impeller, you may want to recalibrate it. Remember,
calibration is boat and location specific!
What should I do if I suspect a wiring problem?
- If possible, try a unit that is known to
work with the suspect wiring to determine whether the problem
is your unit or the wiring. Be sure the calibration number
and stroke mode are set the same as your unit.
- Check the wiring for visible cuts or nicks.
- Check that both sensors are correctly aligned (i.e. the black
sensor aligned properly with the magnet and the blue sensor
aligned properly with the impeller).
- Check the impeller for debris and make sure it is not damaged.
- Check that the metal contacts on the unit depress easily
and rebound level to the back surface of the unit.
- Check the metal contacts on the mounting dock and make sure
they are flush with the surface of the dock.
- Clean the contacts on both the control unit and the docking
station with Bon Ami (a non-abrasive cleanser available
at most local stores).
Why does my timer shut off after 6 seconds?
- This is probably a problem with your SeatSwitch
(the black sensor). You should test your seat sensor by placing
the unit in 0-STROKE mode to check if the unit is functioning
correctly. If all readings are correct in 0-STROKE
mode, the problem is either the SeatSwitch or the magnet
(this test will NOT work for kayakers).
- You should check the installation of both
your SeatSwitch and magnet. See SPC
installation instructions for more information.
How come I have speed readings, but no distance, average, or
clock shows?
- This is probably a problem with your SeatSwitch
(the black sensor). You should test your seat sensor by placing
the unit in 0-STROKE mode to check if the unit is functioning
correctly. If all readings are correct in 0-STROKE
mode, the problem is either the SeatSwitch or the magnet
(this test will NOT work for kayakers).
- You should check the installation of both
your SeatSwitch and magnet. See SPC
installation instructions for more information.
What Stroke Mode do I want?
- 2-STROKE mode is for the majority of rowers. For this
mode, input comes from the SeatSwitch and the magnet under
the seat. It counts once for every two passes over
the SeatSwitch.
- 1-STROKE mode is for kayakers ONLY. Input
comes from the paddle switch sensor.
- 0-STROKE mode is for those individuals not
using the seat sensor (This does NOT work for kayakers). The
input for this mode comes from modulations in the speed of
the boat.
How do I set my desired Stroke Mode?
- To select a particular Stroke Mode turn
on the unit and hold the button down until either 2,1, or 0-STR
is displayed in the bottom left window. Release the bottom
button when the desired setting appears.
Why is my LCD dim?
- Check the battery voltage and/or replace the existing battery.
- The CR2032 is a common battery available
at most local stores. A
CR2032 has an average expected battery life of 400 hours.
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