SOS 380 series question

ccsobaker

Member
Jul 4, 2010
226
Central Arkansas
I have the SOS ESTA380MF and I'm curious about the setting for select tone on the rotary knob. Not sure what this is supposed to be for, but it doesn't do anything. Also it lists on SOS site that the siren has wail, yelp, and phaser but I don't believe mine has the phaser setting.
 

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