General Technologies TA100 SmarTach + : Digital Tachometer and Engine Analyzer - Manual (Page 3)

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3.1 Instrument Description
1) Capacitive pickup
2) Flexible probe
3) Protective rubber holster
4) LCD Display
5) Power ON/OFF / Reset button
6) Cylinders Increase button
7) Engine Cycles / KV Adjust select button
8) Cylinders Decrease button
9) Function select button
MIN - Minimum reading
• Hold and displays the minimum value of the measurements, with the last digit rounded
to ‘0’. The minimum value is automatically reset when turning the unit off or manually
by momentarily pressing the ‘Power On/Off / Reset’ button.
Spark Detected
• A flashing high voltage symbol ‘ ‘ indicates that sparks are being detected in the ignition
system.
Number of Cycles
• Displays the selected number of cycles: 2, 4 or DIS (Distributor-less or waste spark
ignition system)
Number of Cylinders
• Displays the selected number of cylinders: 1, 2, 3, 4, 5, 6, 8, 10 and 12
Function with measurement units
• The selected function with the measurement unit are displayed as follows:
Display Function Measurement units
RPM Tachometer RPM (Revolutions per minute)
Peak KVolt Spark plug wire peak voltage KVolt ( 1000 x Volt)
Measurement reading
• Displays the measurement of the selected function.
3.3 Buttons description and operation
3.3.1 Power ON/OFF and Reset
• When the instrument is OFF, to turn it ON press the ‘Power ON/OFF / Reset’
button until the unit turns on (in approximately 1 second).
• When the instrument is ON, to turn it OFF press and hold the ‘Power ON/OFF
/ Reset’ button until the display turns off (in approximately 3 seconds).
• When the instrument is ON, press momentarily the ‘Power ON/OFF / Reset’
button to reset the maximum and minimum values.
Note: To extend battery life, the TA100 will automatically turn off after 1 minute of being
idle (i.e. no button pressed and no input signal). Turning the unit off manually,
when not in use will prolong battery life.
3.3.2 Number of cycles / KV Adjust
• Press the ‘Engine Cycles / KV Adjust’ button to select the number of cycles for
the engine under measurement. Each time the button is pressed the number
of cycles will change between 2 cycles, 4 cycles, and DIS settings. The
selected setting will show on the display.
• Press and hold the ‘Engine Cycles / KV Adjust’ button for a few seconds to
switch the instrument to KV Adjust mode.
3.3.3 Function Select
• Press the ‘Function Select’ button to select the measurement function. Each
time the button is pressed the measurement function will change between RPM
(Tachometer) and Peak KVolt (Spark plug wire peak voltage). The selected
setting will be shown on the display.
3.2 LCD Display
3.2.1 LCD Display description
Low battery indicator
• This message warns the battery voltage is below the minimum recommended and it
needs to be replaced with a new battery.
• If the battery voltage is low, but still allows for the operation of the instrument, the low
battery indicator will turn and stay on until the battery is replaced with a new one.
Note: If the unit turns off immediately after being turned on, it indicates the battery
voltage is below the absolute minimum, and the battery should be replaced to prevent
malfunction.
MAX - Maximum reading
• Hold and displays the maximum value of the measurements, with the last digit rounded to ‘0’.
The maximum measurement is automatically reset when turning the unit off or manually by
momentarily pressing the ‘Power On/Off / Reset’ button.
Fig. 1 - Instrument description
1
2
3
4
5 6
7 8
9
MAX
MIN
Cycles
Peak
Cylinders
Fig. 2 - LCD Display
MAX
MIN
Cycles
Peak
Cylinders
Number of cylinders
Maximum reading
Minimum reading
Function with
measurement units
Number of cycles
Low battery indicator
Spark detected
Measurement reading