GE Multilin 489

4–4 489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL
CHAPTER 4: INTERFACES
Z Press the MESSAGE X key or the ENTER key from these main menu
pages to display the corresponding menu page.
Use the
MESSAGE T and MESSAGE S keys to scroll through the page
headers.
When the display shows
SETPOINTS,
Z Press the
MESSAGE X key or the ENTER key to display the page
headers of programmable parameters (referred to as setpoints in the
manual).
When the display shows
ACTUAL VALUES,
Z Press the
MESSAGE X key or the ENTER key to display the page
headers of measured parameters (referred to as actual values in the
manual).
When the display shows
TARGET MESSAGES,
Z Press the
MESSAGE X key or the ENTER key to display the page
headers of event messages or alarm conditions.
Each page is broken down further into logical sub-pages. The
MESSAGE T and
MESSAGE S keys are used to navigate through the sub-pages. A summary of the setpoints
and actual values can be found in the chapters 5 and 6, respectively.
The
ENTER key is dual-purpose. It is used to enter the sub-pages and to store altered
setpoint values into memory to complete the change. The
MESSAGE X key can also be
used to enter sub-pages but not to store altered setpoints.
The
ESCAPE key is also dual-purpose. It is used to exit the sub-pages and to cancel a
setpoint change. The
MESSAGE W key can also be used to exit sub-pages and to cancel
setpoint changes.
The
VA L U E keys are used to scroll through the possible choices of an enumerated setpoint.
They also decrement and increment numerical setpoints. Numerical setpoints may also be
entered through the numeric keypad.
Z Press the
HELP key to display context-sensitive information about
setpoints such as the range of values and the method of changing the
setpoint.
Help messages will automatically scroll through all messages currently
appropriate.
The
RESET key resets any latched conditions that are not presently active. This includes
resetting latched output relays, latched Trip LEDs, breaker operation failure, and trip coil
failure.
ACTUAL VALUES [w]
TARGET MESSAGES [
w]
Courtesy of NationalSwitchgear.com