21
20
4-8. RPM (primary display)
WARNING
Be sur e the inductive pi ckup is in
t he ter m in als m ar ked “ - RP M +”
w hen m easur i n g RP M’ s. I f th e
p ickup is i n th e w r ong ter mi nal ,
p er son al i njur y or m eter dam ag e
may occur.
The i gnition system can gener ate a
potential shock hazar d. E nsur e that
the engine is off befor e connecting
or removing the inductive pickup.
1.
Set rotary selector to RPM p o s i t i o n .
The meter defaults at TRIG
(trigger) level.
2.
Pr ess but t on t o toggl e
between RPM for 4-stroke engine
and RPM for 2-stroke and DI S
engine.
3.
Insert the Dual Banana Connector
into the RPM - and the RPM+ input
terminals as shown. Ensure t he
plug with the Ground Tab goes into
the RPM- terminal.
4.
Clamp the induct ive pickup t o a
spark plug wire with the arrow sign
facing the spark plug as shown.
Ens ure the pic kup jaws ar e
completely closed.
5.
Read RPM in the primary display.
NOTE: 4 tri gger lev els (TRIG
TRIG
TRIG
TRIG ) ar e s elec table
by pr es s ing button
momentarily in this function.
Refer to 5-5 for more details.
4-9. Fuel Injection On Time
This function applies to both Port Fuel
Inject ors (P FI) which operate with a
single On Time pulse and Throttle Body
Injectors (TBI) which operate with twin
pulses.
1. Set rotary selector to ms-Pulse,
Dwell, Duty position.
The meter def ault s at ms-P ul se
with –TRIG level in the PFI
mode. (“ ” appear s in t he
secondary display for 1 second.)
Pr ess
but ton t o t oggl e
between the PFI mode and the TBI
mode. (“ ” appear s in t he
secondary display for 1 second.)
4 trigger levels (–TRIG
–
TRIG
–
TRIG
–
TRIG
) ar e sel ect able by
pressing button momentarily
in this function.
2. Insert black lead into COM terminal
and red l ead int o ms (-P uls e)
terminal.
3. Connect the test leads as shown
and read O n Time in t he primary
display.
4. The fuel injection frequency can
be displayed in the second display
by pr ess ing t he but t on
momentarily twice.
