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4 FRONT PANEL OPERATION
4.3 KEYPAD
Setpoints are arranged into groups of related messages called setpoint pages. Each time
the display advances to the first message of the next setpoints page. Pressing
setpoints page advances the display to the beginning of the next setpoint page. Pressing
middle of an actual values page returns the display to the last setpoint message viewed. If the display has
timed out to the default messages, pressing
The
/
keys move between messages within a page.
M E SSA G E
M E SSA G E
Measured values and collected data messages are arranged into groups of related messages called actual
values pages. Each time
A CT U A L
page. Pressing
while in the middle of an actual values page advances the display to the beginning of
A CT U A L
the next page. Pressing
A CT U A L
ues message viewed. If the display has timed out to the default messages, pressing
to the last viewed actual values message. The
page.
The
key is context-sensitive. The response depends on the message displayed and the relay status. If a
ES CA P E
value is edited incorrectly during programming, pressing
setpoint value. In other situations,
until the current sub-header is reached.
The context-sensitive
E N TE R
playing a sub-header whose lower line reads [ENTER] for more , press
associated with the upper line. After editing setpoints numerically or with
store a new value in memory. Setpoint access must be allowed for this operation to succeed. The current mes-
sage can also be made a default message by pressing the key sequence: [ . ]
The
/
keys move through messages within a page.
M E SS AG E
M E SSA G E
messages while
M E SSA G E
Setpoint values are entered using
numeric values using the number keys and multiple choice selections with
point calls for a yes/no response, pressing
multiple choice selections, pressing
pressing
increases the value by its step increment. When the maximum value is reached, setpoint
V AL U E
selection continues from the minimum value. Each time
increment. When the minimum value is reached, setpoint selection continues from the maximum value. Press
and hold the value keys down to rapidly change values.
GE Power Management
S ETPO INT
is pressed, the display advances to the first message of the next actual values
while in the middle of a setpoints page returns the display to the last actual val-
M E SS AG E
moves the display to the next higher header message. This continues
E S CA P E
key response depends on the displayed message and the relay status. While dis-
scrolls downward through the list.
/
V AL U E
V AL U E
V AL U E
or
V AL U E
V AL U E
745 Transformer Management Relay
returns the display to the last viewed setpoint message.
/
keys move between messages within a
M E SS AG E
before pressing
ES CA P E
to enter the group of messages
EN TE R
V ALU E
4.3.5 MESSAGE UP/DOWN KEY
M E SSA G E
or the numeric keys. It is generally easier to enter
V AL U E
or
toggles the value between yes and no. For
V AL U E
displays the next choice. For numeric setpoints,
is pressed, the value decreases by its step
V AL U E
4.3 KEYPAD
4.3.1 SETPOINT KEY
is pressed,
S ETPO INT
while in the middle of a
S ETPO INT
while in the
S ETPO INT
4.3.2 ACTUAL KEY
returns the display
A CT U A L
4.3.3 ESCAPE KEY
restores the original
E N TE R
4.3.4 ENTER KEY
/
, press
E N TE R
V AL U E
E N TE R
EN TE R
scrolls upward through a list of
4.3.6 VALUE UP/DOWN KEY
/
. When a set-
V AL U E
4
to
4-5
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