－ 8 －
－ 7 －
[4] DESCRIPTION OF FUNCTIONS
4-1 Changing the Angle of the Measurement Probe
To change the angle of the measurement probe, pull the probe
out from the body and set the angle, then insert the probe
again. Make sure that the measurement probe has been
properly fitted into the body.
4-2 Power Button
When OFF, pressing the power button for 1 sec. or more
turns on the instrument. When ON, pressing the power
button for 1 sec. or more turns it off. All segments of the
display, LED level meter, LCD backlight, and the LED light
will be turned on for approx. 1 sec. after power-on, and
then the instrument will be ready to use.
4-3 Light Button
Press the light button to turn on the LCD backlight and the
LED light on the top of the body. Press the button again to
turn them off.
4-4 Button Automatic Locking Feature
Approx. 15 sec. after the last button operation, the button
automatic locking feature will be activated with the beep
sound. (
indicator turns on.) While the feature is
activated, the following buttons are disabled.
•
Insulation resistance measurement function:
Test voltage selection button and Function selection button
•
Voltage measurement function and Resistance measurement function:
Function selection button
To release the locked button, press the function selection
button and hold for 1 sec. or more. (
indicator turns off.)
The locked button cannot be released while the MΩ button
is pressed.
4-5 Test Voltage Selection/Hold Button
• Test voltage selection (MΩ function)
Press the button to arbitrarily select a voltage from the
voltages indicated on the display.
• Data hold (V or Ω function)
Press the button to freeze present reading for later view.
(
indicator turns on.) Input fluctuation will not reflect
on the indicated value. Press the data hold button again
to disable the data hold feature and go back to the
normal measurement mode. (
indicator turns off.)
4-6 Function Selection Button
Press the button to switch the function. Press the button to
sequentially switch the function as
V
→
MΩ
→ →
V
→…
.
A button is locked.
Press the hold button or function selection button and hold it 1 sec. or more.
The button is unlocked.