P/SGA: Difference between revisions
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The PGA is primarily used for general alarm sirens, allowing them to sound an up and down scale wailing signal for a predetermined time. The standard PGA timer produces a timing of 8-seconds ON, 4-seconds OFF; repeated 10 times in a two minute cycle. There are a few known models, including the PGA and SGA timers. These are much less common than the [[Federal Signal AX | The PGA is primarily used for general alarm sirens, allowing them to sound an up and down scale wailing signal for a predetermined time. The standard PGA timer produces a timing of 8-seconds ON, 4-seconds OFF; repeated 10 times in a two minute cycle. There are a few known models, including the PGA and SGA timers. These are much less common than the [[Federal Signal AX Timer|AX]] and [[FC]] timers Federal produced. | ||
[[Category:Siren Control Equipment]] | [[Category:Siren Control Equipment]] | ||
[[Category:Federal Signal Corporation]] | [[Category:Federal Signal Corporation]] | ||
__INDEX__ | __INDEX__ | ||
[[Category:WIP]] | [[Category:WIP]] | ||
Revision as of 00:49, 27 August 2024
| Federal Signal General/Predetermined Alarm controller | |
| [[File:{{{image}}}|200px]] | |
| Company | Federal Signal Corporation |
|---|---|
| Produced | ??? |
| Type | Siren controller |
The Predetermined/Standard General Alarm timer is a series of signal timers that was produced by Federal Signal Corporation, intended for fire stations to use to sound their fire siren for calls. They are capable of (depending on the model) 2 3-minute signals, these being the "alarm" (attack) signal and "test" signal.
History and Design
WIP
The PGA is primarily used for general alarm sirens, allowing them to sound an up and down scale wailing signal for a predetermined time. The standard PGA timer produces a timing of 8-seconds ON, 4-seconds OFF; repeated 10 times in a two minute cycle. There are a few known models, including the PGA and SGA timers. These are much less common than the AX and FC timers Federal produced.