SPLITMUX-4K-4RT & SPLITMUX-USB4K-4RT FIRMWARE RELEASE NOTES Last Update 2021/11/05 This listing provides the date of the firmware file provided for the NTI SPLITMUX-4K-4RT and SPLITMUX-USB4K-4RT Quad Screen Multi-viewer and a summary of the changes that were made. 1.13 2021/11/05 Bug fix: Fixed possible reboot freeze issue. Bug fix: Fixed an issue that PIP window size cannot be decreased using the OSD menu. Bug fix: Fixed an issue that out of range values are saved. 1.12 2020/07/28 Improvement: Video dropping issue at 4K@60Hz has been improved. Feature Add: Source images can rotate to 90 degree left or right in Custom Mode 1.11 2019/06/11 Bug Fix: Fixed display defects for 4096x2160 resolution 1.10 2019/05/22 Feature Add: Added new features that audio gain and mute function can be controlled using IR remote control. Toggling Mute: Audio --> Input channel # --> Mute Changing Audio Gain: Audio --> Input channel # --> Volume plus / Volume minus (can be clicked once or many times) Bug Fix: Fixed a bug that prevented custom layouts from being saved/loaded using the IR remote control. Improvement: Changing audio setting from IR no longer causes blinking on the display. 1.9 2018/11/21 Improvement: Video dropping issue at 4K@60Hz has been improved. Improvement: New firmware is checking the transmitter chip’s firmware version and updates it if necessary during firmware upgrade. Bug Fix: Hot plug, EDID retrieval and HDCP detection issues are resolved. Correction: Incorrect link to the online user manual is corrected. Bug Fix: Fix for transmitter programming in command module. Bug Fix: Problem with keyboard synchronization has been fixed. Correction: The product name shown when using the Discovery Tool has been corrected to "Splitmux-4K" Improvement: Fix for Audio info frame to make compatible with Crestron devices. Feature Add: Added serial command for custom layout configuration. Improvement: Removing display reset caused by non-resolution settings change across IR, Serial, Menu, OSD, Web 1.7 2017/05/17 Feature Add: Added support for KVM Switch for models with KVM feature (SPLITMUX-USB4K-4RT(-R)). Connected keyboard and mouse at any USB type A ports will control connected PCs. Feature Add: Added support for connected devices (flashdrive, printer, camera, keyboard, mouse, etc.) (SPLITMUX-USB4K-4RT(-R)only) Feature Add: Added support to control all models using connected keyboard (For models with “KYBD/MOUSE” ports)