18
AUTO-RANGING MULTIMETER
RANGE BUTTON
•
Press
RANGE
to enter the manual ranging mode.
•
Press
RANGE
to step through the ranges available for the selected function.
•
Press and hold
RANGE
for over 2 seconds to return to auto-ranging.
MAX/MIN BUTTON
•
Press MAX MIN to start recording of maximum and minimum values. Steps the display
through high (
MAX
) and low (
MIN
) readings. The meter enters manual ranging mode after
pressing
MAX MIN
button.
•
Press and hold
MAX MIN
for over 2 seconds to exit
MAX MIN
mode and return to the
present measurement range.
RELATIVE VALUE MODE
The REL mode applies to all measurement functions except frequency/duty cycle
measurement. It subtracts a stored value from the present measurement value and displays
the result.
If the stored value is 20V and the present measurement value is 22V, the reading would be 2V.
If a new measurement value is equal to the stored value then the display will be zero V.
To enter or exit
REL
mode:
•
Press
RELΔ
to enter
REL
mode, and the present measurement range is locked and displays
” 0” as the stored value.
•
Press
RELΔ
again to reset the stored value and exit
REL
mode.
TURNING ON THE BACKLIGHT DISPLAY
WARNING
!
In order to avoid the hazard arising from mistaken readings in insufficient
light or poor vision, please use Display Backlight function.
•
Press and hold
HOLD/LIGHT
for over 2 seconds to turn the Display Backlight on.
•
The display backlight will automatically turn off after 10 seconds.
THE BLUE BUTTON
Is used for selecting the required measurement function when there is more than one function
at one position of the function selector.
SLEEP MODE
To preserve battery life, the meter will automatically turn off if you do not turn the function
selector or press any button for around 15 minutes. The meter can be activated by turning the
function selector or pressing any button. To disable the Sleep Mode function, press the
BLUE
button while turning on the meter.
