Power RPM  GRAN PRIX TECHNOLOGY

displays:

engine RPM

max RPM recall

flash at seated RPM limit

engine time use

can be saeated for :

2 or 4 strokes engines from 1 to 24 cylinders.

upper RPM limit

reading step (st model)

NORMAL SPARK PLUG	RESISTIVE SPARK OR SPARK CAP

original setting is for a monocylinder with over RPM at 7000.

1) switch on the instrument.  If not used after 20 seconds the instrument turn off automatically.

2) 4 digit will appear, when the engine run 5 digit will appear

setting :

3) press set buttom for 3 sec.

 t 2 will appear, pressing up or down you can set 2 or 4 stroke

4) set again

P 1, means 1 piston, you acn set till 24

5) set again

H 13.000, is the over run limit, over this the red diode flash

6) set, this setting don't work for now, sorry.

7) set

ST 50, the step on reading RPM, (only for ST model), standard model works with 50 RPM step.

turn off the instrument.

READING

Swich on the instrument, you can read the max registered RPM pressing the up botton, or delete the registered max RPM pressing togather the up and down bottons.

pressing and holding the on botton you can see the engine use time.