Eltek Delta OP User Manual page 14

3 How to Operate DELTA OP
'(/7$ 23 incorporates an elegant and user-friendly front panel with well
arranged keys and indicators, as shown below.
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1.
Six programmable membrane keys — three of them
are pre-programmed for:
w (9$&8$7( (general alarm; sounds activation)
w 087( %8==(5 (while in $ODUP 0RGH press this
key to mute the internal buzzer; press again to
resound it), and
w 6&52// ',63/$< (scroll the display through
active fault or fire alarms)
2. 7(67
Yellow LED ON indicates that the system is in 7HVW
0RGH
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3.
When the green LED is ON indicates that the system
is powered — the power supply is healthy
4.
(not in use)
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5.
Yellow LED ON indicates that the )LUH %ULJDGH
$ODUP 2XWSXW is activated— or, if feedback is
available, that the alarm has been received
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User's Guide '(/7$ 23
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6.
(not in use)
7.
(not in use)
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8.
When the red text is illuminated, indicates that the
system is in )LUH $ODUP 0RGH
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9.
When the yellow LED is ON indicates that an input or
output device is isolated
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10.
Pulsing yellow LED indicates a pre-alarm from an input
device
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