Page 264.1 Infrared Remote ControlThe IR remote control RC 55 is supplied withevery O 500 C monitor. Even when ordering apair or a 5.1 system, every O 500 C will have it’sown remote control. All RC 55 are identical, it isjust a matter of providing the user with a spareRC of the same type. The RC 55 remote controlhas 36 rubber keys, which are operating allfunctions of the O 500 C. In addition to thestandard controls such as menu select, cursorkeys and increment keys which have beendescribed before, a number of DIRECT ACCESSkeys are provided for controlling importantfunctions of the O 500 C.Fig. 4.1/1 shows the layout of the keys. Thesilkscreening / naming of every key will explainthe individual keys:Numeric keysWith the number keys (1 ... 0, *, #) the menu-steps of the selected menu (Main, Sys, EQ)can be recalled directly by typing in the relatedmenu number (can be looked up from theselection in chapter 3).Please note that only the visible menupointsof the activated user security level can berecalled!Setup-KeysThese keys can be used to recall the mainsetups 1...4 which have been stored in menustep 2 of the Main menu (see chapter 3.2)IR ON/OFFThis direct access key will allow for the ON /OFF switching of the IR remote control.Room EQWhen pressing this key, the menu step 1 EQSet of the EQ-menu becomes active to adjustthe room EQ (see chapter 5.1) of the O 500C.EQ ON/OFFWhen pressing this key, menu 2 EQ of theEQ-menu is activated and the EQ is switchedON / OFF.-20 dBThis key will select the function 17 PWR Amp-10 dB as described in chapter 3.2 and willlower the listening level by 10 dB. Pressingagain will return to the original volume.MuteWhen pressing MUTE, the function describedin 4 Mute of the main menu will reduce thesignal level by the value as adjusted in the„Mute Attenuation“ menu.Vol+/Vol-With these keys the level of the monitor canbe adjusted. Pressing any of these two keyswill atomatically activate the menu Input Gainof the main menu. Any changes of the settingsin this menu do not need to be confirmed bypressing ENTER.Fig. 4.1/1: The labelling of the IR- remotecontrol RC 55KLEIN+HUMMELSetup 1 Setup 2 Setup 3 Setup 4Mute-20 dBSys Main EQ1 2 34 5 67 8 90IR on/offRoomEQEQ on/off+- Vol -Vol +Enter#