Beta 1760DGT Mode D'emploi page 17

2 Select the X10 RPM range with rotary switch (1.000 to 12,000 RPM). Multiply the displayed
reading times by ten to get actual RPM
3 Press STROKE 4/2 (DIS) button toward select through RPM 4 for 4-stroke. RPM 2 for 2-stroke and DIS
4 Insert the inductive pickup connecting terminal into the meter
5 Ground lead in COM terminal.
6 Output lead in RPM terminal.
7 Connect the inductive pickup to a spark plug wire if no reading is received unhook the clamp,
turn it over and connect again.
Note:
• Position the inductive pick-up as far away from the distributor and the exhaust manifold as possible.
• Position the inductive pick-up to within six inches of the spark plug or move it to another plug
wire if no reading or an erratic reading is received
• RPM4: For RPM of 4-stroke engines which have 1 ignition on every 4 engine strokes
• RPM2: For RPM of DIS (Distributorless Ignition System) & 2-stroke engines which have 1
ignition on every 2 engine strokes
Dwell angle measurement
1 Insert the black test lead banana plug into the negative COM jack and the red test lead banana
plug into the positive + jack.
2 Turn the rotary switch to the corresponding position of 4CYL, 5CYL, 6CYL, 8CYL on the
"DWELL" range.
3 Connect red test probe into "breaker points" or "-"terminal of battery.
4 Crank engine. The display will show RPM reading.
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