Ha, learn something new every day. I just looked up the user manual for the TV and it just says “for special AV control use only” with no elaboration, and there is a related product that just says the RS-232 is for 3rd party control systems. Thanks for the info on it. From: Dean Notarnicola <dnotarnicola@gmail.com> Sent: Thursday, September 18, 2025 11:07 AM To: vcf-midatlantic <vcf-midatlantic@lists.vcfed.org> Cc: Hopkins, Justin <Justin.Hopkins@broadridge.com> Subject: Re: [vcf-midatlantic] Never seen this before Sure, usually only on commercial sets. This is used to remotely control the settings and operation of the set. Sony referred to it as “Control-C”. On Thu, Sep 18, 2025 at 11: 03 AM Hopkins, Justin via vcf-midatlantic <vcf-midatlantic@ lists. vcfed. org> ZjQcmQRYFpfptBannerStart This Message Is From an Unknown Sender You have not previously corresponded with this sender. Use caution when clicking links or opening attachments. Report suspicious emails by clicking the "Report" button in your Outlook toolbar or forward to SIRT@Broadridge.com<mailto:SIRT@Broadridge.com>. ZjQcmQRYFpfptBannerEnd Sure, usually only on commercial sets. This is used to remotely control the settings and operation of the set. Sony referred to it as “Control-C”. On Thu, Sep 18, 2025 at 11:03 AM Hopkins, Justin via vcf-midatlantic <vcf-midatlantic@lists.vcfed.org<mailto:vcf-midatlantic@lists.vcfed.org>> wrote: RS-232 on a TV??? https://imgur.com/a/le9sVhA<https://urldefense.com/v3/__https:/imgur.com/a/le9sVhA__;!!Ebr-cpPeAnfNniQ8HSAI-g_K5b7VKg!JxTN_J2eo_zszurRA52QL5dGhPcoV6D-Oz8HrWzG1o_-2ojhzLUF0VxIiQXFTf23912yHz8TJTaXOdNizs-LWZ-qBNmLxg$> This message and any attachments are intended only for the use of the addressee and may contain information that is privileged and confidential. If the reader of the message is not the intended recipient or an authorized representative of the intended recipient, you are hereby notified that any dissemination of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by e-mail and delete the message and any attachments from your system. This message and any attachments are intended only for the use of the addressee and may contain information that is privileged and confidential. If the reader of the message is not the intended recipient or an authorized representative of the intended recipient, you are hereby notified that any dissemination of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by e-mail and delete the message and any attachments from your system.