PLEASE NOTE: Should NOT be plug in during flight use, Y lead should be removed also.

Features:

1:Use P1C16f628a microcontrollers

2：Do not need batteries, power from the ignition

3: Standard Futaba Plug(Black-negative Red-Postive and White-Signal)

4:Using high-brightness LED digital tube

5:Input voltage range: 3V-12V - new for V2

6:Current consumption 25mA-60mA

7:Mini tachometer indicates up to 30000rpm 8:Actual RPM=Display digital *10

9:Body size:54mm L*20mm W*15mm H - new for V2 10: Window size:30mm L*15mm H 11:Weight: 15g(0.5OZ) 12:Increassed self test features - new for V2 Instructions:

1:The Y wiring tandem between in the Hall sensor and the ignition 2: The tachometer plug the other end with Y wire 3:Connected to ignition power supply and can be displayed Note: That connecting plugs do reinforcement.To preven vibration. the hall sonsor& tachmoter wire leave from the ignition high-voltage wire, And receiver wires over 30cm Connection tachometer is not recommended after the use of the flight, Best to remove the Y wire to restore the original sensor connection If ignition have an additional tachometer pinout,You must be connected to dedicated tachometer signal wire