INS627-8 36/44
is invoked either by activating and de-activating the strobe three times within 30
seconds, or by pressing the B/O key when in the bell test menu. Most control
panels have a method of testing the strobe, which should be utilised. Failing this
the strobe can be manually activated by connecting the S (STRB) wire to 0V at the
control panel. Hold‑Off mode is shown to be active with the tamper circuit secure
by the right LED only flashing.
If the tamper circuit is not opened or remote power not removed, then Hold-Off
mode will automatically start to cancel after 15 minutes, indicated by the LEDs
alternating rapidly to signal that S/A on tamper and remote power loss will be re-
enabled within a further 2 minutes.
Once the outer cover is removed the left LED only will flash to indicate that the
tamper circuit is open. If remote power is removed, and the tamper circuit is left
closed, the right LED with flash rapidly to indicate that the unit is on standby
battery power.
When the tamper circuit is closed or remote power re-applied, the LEDs will
alternate rapidly, confirming that the tamper circuit is secure, remote power is
present and signalling that the self activating S/A function will be re-enabled within
2 minutes, after which the LEDs will alternate slowly to signal normal operation. If
the tamper circuit is re-opened or remote power removed within the 2 minute
period, then Hold-Off mode will be restored.
N If Hold-Off mode is invoked but the tamper circuit is not opened or remote
power is not removed within 15 minutes then Hold-Off will automatically start to
cancel, indicated by the LEDs alternating rapidly for a further 2 minutes.
N For safety reasons the strobe is disabled during Hold-Off mode.
N Hold-Off mode is immediately cancelled when the sounder is activated from
the control panel unless the system is powered down.
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