4.3 INSTALLATION FOR AMPLIFIER
5. FUNCTIONAL SPECIFICATIONS
5.1TONE DURATION
The alarm system is built-in with adjustable Timer from 8 to 64 seconds, which is set by Timer
Selection on the panel. Once activated, the amplifier will produce tones for a period of time as
determined, it will automatically stop when that duration has been reached. The panel is designed
with 3 LED indicators. The currently selected time can be identified by the LED indicators. Refer to
Table 2 for LED display information（Note: solid circle is LED light, hollow circle is LED light off）.
Install with outer hexagon
bolt M6*10(steel)(304)
Bracket mounting hole - use
flat round head self-tapping
screw ST5×16 [white]
ABRAMS INSTALLATION AND CONFIGURATION MANUAL V1.4
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844.9.ABRAMS
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INSTALLATION AND CONFIGURATION MANUAL
FOR TORNADO 3 LOW FREQUENCY SIREN SYSTEM
8SEC
15SEC
22SEC
30SEC
L8 L7 L6 L8 L7 L6�me �me
37SEC
45SEC
52SEC
64SEC
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