General Operation - Dlro 10X; Dlro 10X Top Panel; Dlro 10X Main Menu Screen; Warning Messages - Megger DLRO-10 Guide De L'utilisateur

GENERAL OPERATION - DLRO 10X

DLRO 10X Top Panel

All the controls needed to set up and operate DLRO 10X are located on
the top panel of the instrument.
To the left of the large LCD display are the controls for moving around the
display, controlling the menuing system and adjusting the display contrast
and backlight.
To the right of the display is the large Test button, Power On/Off button
and an alphanumeric keypad for entering notes relating to a test which will
be stored with the test results for later reference.
To turn your DLRO 10X on, press the On/Off button for approximately 1
second. Press again to turn the instrument off. If the instrument is not
used for 5 minutes it will be turned off automatically.

DLRO 10X Main Menu Screen

When first switched on DLRO 10X displays a copyright screen, followed by
the Main Menu screen.
This screen provides you with information such as percentage of battery
6
charge remaining, index number of the next test, number of tests already
stored and the current date and time.
This screen also provides access to the menuing system, through which
you set up your instrument and choose the desired test parameters.
Navigation of this menuing system is by means of the cursor control and
Enter key.

Warning Messages

The Main Menu screen will from time to time also contain certain warning
messages

Noise

Noise in excess of 100 mV 50/60 Hz will activate the message 'Noise' at the
bottom of the display. Above this level accuracy cannot be relied upon.
'C' & 'P' Indicators
A good measurement requires both the current carrying circuit and the
voltage detection circuit to be completed by the item under test. DLRO
10X checks for this continuity. If there is poor continuity in either circuit
a message will appear at the bottom of the display. This will read "P OPEN
CIRCUIT" if the voltage contacts are high resistance, "C OPEN CIRCUIT" if
the current circuit is not made or "CP OPEN CIRCUIT" if both circuits are