Ramsey Electronics ICI1 Assembly And Instruction Manual - page 18
ICI1 Page 18
Set the power switch to the “off” position, and plug in a suitable power source
to the power input connector. The correct range of values for supply voltage
is 9 - 15 VAC or VDC, and the current capacity is between 200 - 250 mA. Our
AC125 transformer is the recommended source for this kit, but any wall wart
will do.
Upon energizing the switch, a short chirp will be heard from the speaker and
the LED should illuminate. The LED should be lit, initially; this will change after
we program the microcontroller IC.
PROGRAMMING YOUR ICI1
Now that we have made it through the initial “turn on” steps it is time to
program the microcontroller for your individual codes. Remember to install
some fresh batteries in your remote control, and aim the infrared LED towards
the photo sensor. Depress one of the buttons that you intend to use for
operation (I.e. button #1 for the first relay). The LED should begin to blink as
the unit receives the infrared code from the transmitter. This testing verifies
the operation of the detector and associated circuitry. It will also provide some
clues to the operation of the remote control unit (remember we talked about
this in the theory of operation) as you may see a long “burst” of code,
followed by successive shorter pulse trains, or you may see the pulse train
being repeated over and over. If you have access to an oscilloscope you can
even observe this pulse train on the detector “output “pin, which is tied to pins
1 and 19 of the microcontroller.
Now we will set our controller to the “learn” mode to memorize the pulse trains
from our remote, and configure the jumpers to learn four codes as we move
along.
Press and hold the “learn” button.
Now the unit is waiting to memorize the code for your remote. Depress the
button on your remote control unit and the LED on the front panel will blink.
The speaker will chirp when the code is learned. Just to be safe, push the
button on your remote control unit twice to ensure that the micro has
memorized your remote controls pulse train.
Uh-oh… a raspberry!
If upon initial programming your speaker emits a two tone “raspberry”, don’t
fret! This simply means that your remote control is transmitting data at a
slower rate than expected by the current jumper settings. If this is the case,
install the jumper across the “speed” terminals on the circuit board. This will
allow the unit to work at the slower pulse train rate just as effectively as the
faster rate.
If necessary, install the jumper across the “speed” header.