Qrotech OPA-102 Operating Manual page 17

(6) Put one foot on the accelerator pedal and burst accelerate the engine to the
maximum revolution speed and take gas samples. Time for the acceleration is
within than 4 seconds.
(7) After finishing the first test, press [SET] KEY to move to the second test.
You will see "AC-2" on the display and four flashing LED's.
(8) This show it's ready for the second test. Press [SET] KEY once more, you will see
one flashing LED and at the buzzer sound and the test will start.
(From this time on, the peak point of exhaust emissions will be renewed.)
When you use [
DISPLAY
(9) Put one foot on the accelerator pedal and burst accelerate the engine to the
maximum revolution speed and take gas samples. Time for the acceleration is within
than 4 seconds.
(10) After the second test, press [SET] KEY to move to the third test.
You will see "AC-3" on the display and four flashing LED's.
KEY, you will see "K (
m
]
- 17 -
-1
) → smoke density (
%
OPERATION MANUAL
OPA-102/101
) → RPM → ℃".