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3-7 Selecting Measurement Range ( , , and )
Ranging operations are performed by using the , , and buttons
(see Figure 3-3).
Measurement ranges can be selected automatically by the meter in
“Auto-ranging” or manually operated by the user.
! Auto-Ranging
Press
to toggle in and out of manual ranging. When meter is in
auto-range mode, the AUTO annunciator is lit.
In auto-range, the meter selects the next higher range automatically when a
reading is greater than full scale. If no higher range is available, ‘OL’
(overload) will be displayed on primary or secondary display. Likewise,
the meter will automatically selects a lower range when a reading is less
than approximately 9.5% of the full scale.
! Manual Range
Press
to toggle in and out of manual ranging. The range user is in will
become the selected range when user enters the manual range mode. In
manual range, the meter remains in the selected range regardless of input.
Press
to toggle back to auto-ranging. Manual range can be performed
either on readings shown in the primary display or secondary display.
! Selecting A Measurement Range
To manually select a range,
!
to toggle in (and out) of the manual ranging mode, or
, and
In manual range mode,
!
, and to select higher range or lower range to the desired one.
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