Hioki CM7290, Инструкция по эксплуатации, Страница: 20 / 80

16
Tables of Key Operations
Measuring
Desired operation
(function)
How to set/
cancel it
Screen display
Enabled: Lit
Disabled: Unlit
Description
Turn the power on
(with battery drive)
Short press
Display lights up
• When the unit is driven
by power from an AC
adapter or external DC
power supply, this key is
disabled, and in order to
turn the power off you must
disconnect the connector
from the AC adapter's or
external DC power supply's
terminal (p. 30).
• When power from an AC
adapter or external power
supply is turned off with
batteries installed in the
unit, the batteries will begin
automatically to power the unit.
Turn the power off
(with battery drive)
1-second
long press
Display
goes out
Execute zero
adjustment
1-second
long press
Example:
• Resets the display value to
zero, after memorizing it.
• Disabled if an AC current
sensor is connected.
Switch the
measurement mode
Short press
: DC measurement ("DC")
: AC measurement ("AC")
: AC + DC measurement ("AC+DC")
: Frequency measurement ("Hz")
Hold display
updating (HOLD)
Short press
• Halts updating of the display.
• Can be used for any
measurement.
Switch ranging
manually (Ranging)
Short press
RANGE: AUTO :
Auto ranging
RANGE: MANUAL :
Manual ranging
• Factory settings: Auto
ranging (appropriate range
is switched to automatically)
• You can also change the
range manually.
• When output becomes valid
during auto-range operation,
auto-range operation will
be disabled, and the unit
will switch to manual range
operation using the present
range.