Healtech V4-TSD, SH-V4-TSD User Manual
SPEEDOHEALER V4-TSD
Electronic Speedo and Odometer Calibrator & Top Speed De-restrictor
with Top Speed Memory
User Manual
for SH-V4-TSD
1. Foreword
Congratulations on your purchase of a SpeedoHealer calibrator unit.
At HealTech Electronics Ltd. we are committed to produce the best calibrator devices
available and we would like to thank you for choosing our product.
The Harness Kits required for installation are supplied separately. Please make sure you
have received the correct wiring harness kit for your vehicle.
After installation, we recommend using our online calculator to calculate the required
calibration value and to generate step-by-step programming instructions. You can also
use our SpeedoHealer calculator app, available for iOS and Android devices.
The SpeedoHealer TSD model has a Top Speed De-restrictor feature. It is inactive by
default. You may activate this feature only for racing purposes on closed tracks, entirely
at your own risk. It must not be used on public roads! HealTech Electronics Ltd. and its
distributors shall not be liable for any misuse, losses or damages whatsoever.
2. Features Explained
Simple User Interface: Easy to program, review and update the stored parameters.
3 functions in 1 unit: Programmable Calibrator, De-restrictor and Top Speed Memory.
Extended calibration range: -99.9% to +9999.9% in steps of 0.1%
This means the speed signal can be modified from 1/1000 to x100, in increments of
0.001. This extended range can compensate for even for the most radical sprocket
conversions and custom applications (e.g. different engine-gauge combination, bike-
engine powered cars, etc.).
Detachable Remote button for the Top Speed Recall feature (installing it is optional).
Top speed de-restrictor: This unit can be configured to avoid the top speed restriction
on motorcycles and ATVs which have a top-speed limitation based on the speed signal
(such as the CBR1000RR, VFR800X, GL1800, VFR1200F, ZX-10R, ZX-12R, ZX-14, FZ-09,
MT-09, YZF-R1, V-Max, Can-Am, Kawasaki, Polaris ATVs and many more).
You can set the TSD unit to either ‘freeze’ the speed signal to the ECU at a specific
threshold, or apply a stronger calibration value so that the speed signal will be increased
at a slower rate above the set threshold.
Note: The SpeedoHealer does not increase engine performance. Even if the TSD feature
is activated, your vehicle will not go any faster if your vehicle’s engine lacks the power,
the gearing is not sufficient, or the SH unit is connected in-line with the speed signal
coming from the ECU to the speedometer.
Interactive test mode: Confirm installation before starting the engine.
Compact dimensions: Full SMD design. The smallest and lightest calibrator available.
High-speed CPU: 32-bit processing ensures high accuracy and immediate response to
the input signal with no lag. Ultra-low power consumption and auto stand-by.
Robust design: 100% weather proof. Every unit is fully tested, guaranteed to work.
All leads are protected against reverse voltage, short circuits and high energy transients.
Wide operating range: +3V to +19V at -40C to +80C (-40F to +176F)
SH-V4-TSD_Manual_en.pdf [rev. 002] - 1 -
www.healtech-electronics.com
3. Setting and Using your SH
3.1 Preparation
1. Ensure that the unit is installed correctly by executing the SH Test instructions
(Refer to the Install Guide bundled with the Harness Kit).
2. Determine the Calibration value needed for your application. Use the online
calculator on our website or download the SpeedoHealer calculator app.
(If you wish to see the calculation formulas, refer to the standard SpeedoHealer
User Manual, chapter 4).
3.2 Programming the unit
The TSD unit has three parameters which can be selected and programmed
independently. The three parameters are as follows:
A: The Calibration value applied from zero speed to the set speed threshold [U].
Program the value which is shown by the SpeedoHealer calculator. This will
make your speedometer accurate for speeds below the set speed threshold.
b: The Calibration value applied from the set speed threshold [U] to the maximum
road speed of the vehicle. If the value is left at the default 0, it means that the
SH unit will maintain a constant (unchanging) speed signal above the set speed
threshold. Your speedometer will not show a higher speed reading than the
threshold even if you ride faster. Normally you can keep it at the default 0.
A specific [b] value has to be programmed only if the ECU indicates a fault code
when the speed signal does not increase above a certain point even though the
engine RPM increases.
U: Setting the speed threshold. This is the speedometer reading at which the unit
will switch between the [A] and [b] calibration values automatically. Signal
hysteresis is used to ensure that the auto-switching does not oscillate when
riding at a constant speed close to the threshold. Be aware that the
speedometer reading will not be correct after passing the set speed threshold.
Notes:
To change between the three parameters, have the ignition key ON. Press SET
until the actual parameter ([A], [b] or [U]) is displayed and keep it pressed
until the displayed parameter changes to the one you wish to program.
Entering into programming mode does not clear the previous setting, so you
can update a previously stored calibration value easily.
All settings are stored in Flash memory. No need to repeat programming after
the battery or the SH unit has been disconnected.
3.2.1 Programming the [A] calibration value
1. Turn the ignition key ON to power up the unit. The [A] parameter is always
the active one after power up.
2. Press BOTH buttons on the unit and keep them pressed until [L] is indicated.
3. The Sign of the calibration value is flashing:
[-] : Negative
[P] : Positive
To toggle the Sign, press the SET button.
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If the Sign you set is Negative, you will program 3 digits (max value: 99.9)
If Positive sign is selected, you need to enter 5 digits (max value: 9999.9)
You need to enter all digits (including the leading zeros), e.g. enter -07.5 if
you want to program -7.5%
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