HealTech Electronics Speedohealer v4 - Calculations; Warranty

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4. Calculations
You need a good speed reference, such as a GPS, radar speed sign or another vehicle
with accurate speedo.
Read your indicated speed when the actual (reference) speed is e.g. 60 mph
or 100 km/h.
Repeat the measurement to make sure you get consistent results. Then use the following
formula to get the calibration value you need:
% 100 x 1 -
Indicated
Actual
value nCalibratio SH






=
Example:
If your indicated speed was 66 mph at 60.0 mph actual (reference), the
calibration value would be: -9.09%  -9.1%
5. Warranty
The SpeedoHealer is built to last: all leads are protected against reverse voltage, short
circuits and high energy transients. Only high-quality components are built in, and the
epoxy resin encasing provides extreme protection for the internal parts from shocks,
vibrations and water. To ensure trouble-free operation, all units are extensively tested
prior to shipment.
Should you not be entirely satisfied for any reason, our dealers offer a 30-day
moneyback guarantee
(all parts must be returned in original condition for full refund).
Furthermore, the product is covered by our 2-year replacement warranty from the date
of purchase
(invoice copy required).
www.speedohealer.com