Re: Failure rate of window / door magnetic sensors

["Crash Gordon" <webmaster@xxxxxxxxxxxxxxxxxxxxx>]

Thats a good idea for really really big jobs. Typically I can hear my piezo
beeper (homemade job) very well in all but the biggest jobs...that high freq
cuts through most on job noise.

--
Crash Gordon
-------ouch------

<I feel like I'm diagonally parked in a parallel universe>
"Slob" <pre@xxxxx> wrote in message
news:fCKNi.2400$29.1099@xxxxxxxxxxxxxxxxxxxxxxxxx
| Crash Gordon wrote:
| > They were Sentrols.
| >
| >
| I've got an old kids walkie talkie set that has a button on it to send
| morse code.  I have shorted the button so it sends the tone all the
| time.  I put 2 alligator clips on one side of the battery lead.  I use
| it sometimes to test switches.  Basically I run the 9v battery on the
| transmitter through the alarm circuit.  As I open and close windows the
| receiver beeps when loop is closed and is silent when loop is open.
| Don't use it much but every now and then is comes in handy on someone
| else prewire.