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4
Silence Sentinel
®
Basic Installation and Operation Manual
INSTALLATION
Product Overview
The Broadcast Tools® Silence Sentinel® Basic is a basic stereo silence sensor
designed to monitor any stereo or two independent monaural sources and generate
alarms when silence is detected, but doesn’t incorporate an audio switcher. Features
include: front panel, remote control and relay monitoring; plug-in euroblock screw
terminals; “Plug & Play” (NO POTS) installation; dipswitch selection of the fol-
lowing; silence detection of -20, -25, -30 and 35dB below zero reference; precise
time delay from OFF to 5 minutes in 2 or 20 second increments; restore delay tim-
ing of OFF, 5, 30 and 90 seconds and two SPDT alarm relays with LED indicators.
The Silence Sentinel® Basic may be set on a desktop, mounted on a wall or option-
al RA-1 rack shelf for mounting up to four units in 1-RU.
Features/Benefits
* May be configured for stereo or dual independent monaural operation.
* Left and right valid audio and alarm LED indicators.
* Dipswitch selection of silence detection of -20, -25, -30 and -35dB below zero reference.
* Dipswitch selection of time delay from OFF to 5 minutes in 2 or 20 seconds increments.
* Dipswitch selection of restore timing delay from OFF, 5, 30 and 90 seconds.
* Two independent SPDT alarm relays and LED indicators.
* Active balanced stereo input.
* Front panel and remote “Disable/Alarm Reset” switch with LED indicator.
* Front Panel Power/heartbeat LED.
* Plug-in euroblock screw terminals, mating plugs supplied.
* Domestic power supply included.
* The unit may be set on a desktop, mounted on a wall or optional RA-1 rack shelf
for mounting up to four units in 1-RU with user supplied Velcro.
Installation Guidelines
Inspection
Please examine your Silence Sentinel® Basic for any damage that may have been
sustained during shipping. If any is noted, please notify the shipper immediately and
retain the packaging for inspection by the shipper. The package should contain the
Silence Sentinel® Basic, this manual and/or CD and the 7.5 VDC @ 1 amp wall
transformer. Manuals may also be downloaded from our web site.
Mounting
Mount the Silence Sentinel® Basic where it will be visible and rear panel accessible.
The Silence Sentinel® Basic may be set on a desktop, mounted on a wall or option-
al RA-1 rack shelf for mounting up to four units in 1-RU using user supplied Velcro.
WEBSITE:
Visit our web site for
product updates and
additional information.
