![On the Icom IC-E90, would anyone happen to know how to trigger PTT remotely using the SPK jack Remote pin? My first guess would be to ground the pin to trigger PTT? On the Icom IC-E90, would anyone happen to know how to trigger PTT remotely using the SPK jack Remote pin? My first guess would be to ground the pin to trigger PTT?](https://preview.redd.it/05n6efp5sq991.png?auto=webp&s=6b546ca62da8b5a3829516ca1f86f471175eda5b)
On the Icom IC-E90, would anyone happen to know how to trigger PTT remotely using the SPK jack Remote pin? My first guess would be to ground the pin to trigger PTT?
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Amazon.com: (2PACK) Replacement Battery for Icom BP-217 BP-217Li IC-E80D IC-80AD IC-91A IC-91AD IC-E90 Radio 1900mAh 7.4V : Electronics
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