9. Cut the coaxial cable to desired length. The shorter the cable the less interference.
10. Unscrew the cover off the antenna (Image 4).
11. Strip the coaxial cable. Screw down the copper center wire onto the copper antenna base (red).
12. Twist the remaining mesh sheath insert into the crimp connection (blue). Crimp the connection
tight.
13. Screw the cover of the antenna back on.
Tuning the RFID Antenna
14. To adjust the read distance from 10 feet up to 600 feet you will need a tuning kit (SOS-TUNE), sold
separately. The kit comes with instructions on how to tune the read range to the desired distance.
Testing the Unit
Properly testing the unit involves three sensitivity tests:
1st test the “YELP” siren steps 1-3 below. To complete this test any RFID tags will need to be outside the
read range or inside a metal container.
2nd test is to bring the RFID tag into range and the gate should open.
3rd test is to invite an emergency responder to open the gate with their RFID tag and with their “YELP”
siren.
15. Begin testing by turning the sensitivity dial clockwise to setting 8.5.
16. Using the Yelp Siren CD provided, or download the MP3 yelp off our website www.sosgate.com onto
your mobile device, play it at the loudest volume setting. Hold your device close to the microphone
the PWR/Sound light should come on solid and the output light should come on as the gate opens
within 3 seconds.
17. Test the unit now with a live siren. You want to have the sensitivity setting as low as possible but still
able to open the gate with a live siren. The main reason for the SOS not triggering the gate open is
that the emergency responders are not using the siren tone “YELP” or they are not leaving their
siren on for 3 seconds.
3
702 Fairfield St. W. | Twin Falls, ID 83301 | 1-800-767-4283 | www.sosgate.com
IMAGE 4 IMAGE 5
Connecting the Antenna (Images 4 and 5)