Manual ME3011b_E_v0707_Pre.doc
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1 – Keyboard Functions
1.1 – Horn/Buzzer Acknowledge (HA)
Sound Acknowledge is performed through CPU front button. Its activation stops the buzzer.
1.2 – Light Acknowledge (LA)
Light acknowledge is performed through CPU front button, which makes intermittent light signaling (blinking) turn
permanently on or off when activated, depending on selected sequence.
Note About Sound and Light Acknowledge:
Sound and Light Acknowledge functions can be activated manually, as described above, or automatically, with
adjustable time periods from 5 s to 45 hours.
Sound and light acknowledge buttons can be configured for simultaneous activation or in a way to interlock them,
i.e., light acknowledge function is only accepted after acknowledging sound.
See details on annunciator configuration chapter.
1.3 - Reset (RE)
Reset sequence is performed through CPU module, which resets alarm sequence when activated.
Depending on selected sequence, Reset button is disabled.
1.4 – Light Test (LT
)
Light test is performed through button on CPU module front panel, which turns all equipment LED’s on when
activated.
Vdc Fault
Vac Fault
b
KEYBOARD FUNCTION DESCRIPTION
FA
Red LED on, indicates system
failure
RUN
Green LED continuously on indicates system operative
Blinking Green LED indicates system operative in Sleep Mode (SLM)
PSFD
Yellow LED for Vdc power supply
fault and Orange LED for Vac power
supply fault indication, if requested.
Enter
Used only in keyboard configuration
mode.
LT
/
FT
Light Test or Functional Test,
selectable via configuration modes.
HA
Sound acknowledge
LA
Light acknowledge
RE
Reset