5x1 HDMI / HDBT Multimedia Presentation Switch Installation Guide© MuxLab Inc. 2015 185.2 Operations of IR5.2.1 IR RemoteAs IR signal can be transmitted in both directions between the 500435 and the HDMIExtender PoC/PoE Receiver, it is able to use the IR remote at the far-end to control the500435 or HDMI source devices (via CEC function buttons).1. Power buttonEnter/exit power standby mode2. Input channel selection buttonsInput 1 is for HDMI1, Input 2 for HDMI2…andInput 5 for VGA2.AUTO: Enable/ disable auto-switching mode.3. Volume adjusting buttonsMIC-/+: increase/ decrease MIC volumeLINE-/+: increase/ decrease line volumeMIC MUTE: mute/ unmute MIC audioLINE MUTE: mute/ unmute line audio4. Menu operation buttonsMENU: press to enter the OSD menu or to returnto previous menu.EXIT: exit OSD menu.OK: confirm button.,,, : UP/DOWN/LEFT/ RIGHT buttons, forvalue setting or page-turn.Buttons in area “a” are also used in CEC mode toenter the menu of the HDMI source device.P.P, ZOOM, S.M: shortcut button, to select displaymode.5. Resolution selection buttonsSelect resolution by pressing the correspondingbutton.AUTO: Enable / disable auto-switching mode.6. CEC function buttonsFor HDMI devices which supports CEC. It includesPLAY, PAUSE, STOP, MENU, REV (reverse) andFWD (forward).