Max/Min; Backlight Button - Bosch MMD 540H Mode D'emploi

12 | MMD 540H Hybrid Multimeter | Push-button Functions

MAX/MIN

1. Press the MAX/MIN key to activate the
MAX/MIN recording mode. The display
icon "MAX or MIN" will appear. The
meter will go into manual ranging
mode & display and hold the maximum
or minimum reading and will update
only when a new "max or min" occurs.
2. Press the MAX/MIN key and a blinking
"MAX MIN" will appear. The meter will display the present
reading, but will continue to update and store the max and min
readings.
To exit MAX/MIN mode press and hold the MAX/MIN key for 2
seconds.

Backlight Button

1. Press the BACKLIGHT button to turn
the backlighting ON.
2. Press the BACKLIGHT button again to
turn the backlighting OFF.
Robert Bosch LLC MMD 540H Instruction Manual | Version 1 | December 2010
MMD 540H Hybrid Multimeter | Meter Functions | 13
Meter Functions – Voltage (V)
f Select the Volts "V" range with
the rotary switch.
f The meter will automatically
select the best voltage (V)
range.
Select DCV or ACV with the
f
MODE button.
Insert:
f Black lead in COM terminal.
f Red lead in V-Ω-RPM terminal
Touch the Black probe to ground or
to the negative (-) circuit
Touch the Red probe to the circuit
coming from the power source
IMPORTANT: Voltage must be
measured in parallel (Red probe
measuring circuit from power
source).
WARNING
When measuring voltage, be sure the Red test lead is in
the terminal marked "V". If the test lead is in an Amp (A) or
Milliamp (mA) terminal, the meter can be damaged and risk of
personal injury.
MMD 540H Instruction Manual | Version 1 | December 2010
Black– Red+
Robert Bosch LLC