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*
Turn the backlight on by pressing an arrow button on the HMI. If the HMI panel
is not used for approximately five minutes, the backlight is turned off
automatically.
*
Activating the power-saving built-in feature by pressing
turns the backlight
off within 20 seconds.
4.1.3.4.
How to adjust the display contrast
The display contrast is dependent on the temperature. The relay automatically
adjusts the contrast for optimum readability. When the display is in the idle mode,
you can also adjust the contrast manually.
*
To increase the contrast, hold down
and adjust the contrast using
.
*
To decrease the contrast, hold down
and adjust the contrast using
.
After power start up of the relay, the factory default value of the display contrast is
automatically restored.
4.1.4.
Main menu
The main menu contains six main groups:
*
OPERATION
*
MEASUREMENTS
*
RECORDED DATA
*
SETTINGS
*
CONFIGURATION
*
INFO
MEASUREMENTS
MEASUREMENTS
A040228
Fig. 4.1.4.-1
Display showing the first main menu group
*
Navigate between the main menu groups by using
and
.
*
Return the display to the idle mode by pressing
.
The display is returned to the idle mode on expiration of the time out.
4.1.5.
Submenu
The menu structure contains several subgroups. The name of the main menu group
is always shown on the first line. The second line displays either the name of the
group menu, the name of the parameter and the parameter value, or just the
parameter value, in which case it is also the name of the parameter.
18
REF 610
REF 610
Feeder Protection Relay
Operator's Manual - ANSI Version
1MRS755539