Fort Lauderdale, Florida
CAT Note
02
02
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Computer Automation Technology Fort Lauderdale, Florida |
CAT Note 02 |
| Release Date: N/A |
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| Positive Current Transmitter PTT | ||
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All CAT controllers key the transmitter by grounding the PTT line. However
some transmitters require a positive DC voltage to key. In these cases, a
switching device must be installed between the transmitter and the controller's
push to talk output. Use caution
when connecting an external PTT drive device to your controller.
Note: To prevent damage to the PTT integrated circuit, do not apply +12VDC directly to pin 10 on your controller.
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