Bosch Appliances MMD 540H instruction manual Meter Functions Duty Cycle %

22 MMD 540H Hybrid Multimeter Meter Functions

Meter Functions – Duty Cycle (%)

ÑSelect the “%DUTY” Cycle function with the rotary switch.

Insert:

Ñ Black lead in COM

terminal.
Ñ Red lead in V-Ω-RPM
terminal.
Connect the Black test
probe to ground.
Connect the Red test probe
to the signal wire circuit.
The illustration for a mixture
control solenoid is shown
with the metering rod in the
closed position. The meter
will display the percentage
of time the plunger is in the
closed position. (low duty
cycle) during one duty cycle.	Black–	Red+

Mixture

Control

Shown

Robert Bosch LLC MMD 540H Instruction Manual Version 1 February 2008