Klein + HummelOperating Manual KPA Series English 13The fourth line of the screen shows the functions of the buttons below.The ”lock” function is activated if the corresponding button is pressed more than 1 second; in this case all the otherbuttons are locked. The same operation unlocks these buttons (unlock code is required - see par. “local preset” formore details).The ”mute” buttons switch off the two channels independently; in this case the parameters of the correspondentchannel disappear and the writing ”muted” appears on the third line. The same operation disables the mutefunction.If the ”menu” button is pressed, the main menu is displayed on the LCD screen.The main menuThefigure 11 shows the main menu. You can scroll the menu items by pushing the up or down buttons and choosethe selected one by pushing ”ok” (if the chosen item enables or disables a function, the writing ”on” is replacedwith ”off” for disabling it, or ”on” for enabling it. The menu tree is shown infigure 12.figure 11Menu Settings Output attenuationInput gain/sensInput selectMax output voltageMax mains currentClip limiter CH1Clip limiter CH2Gate CH1Gate CH2Mute at Power onDisplay Bar metersOutput metersTemperatureMains metersSetup Hardware infoHardware monitorLCD contrastAmplifier SettingsIdle ModeDSP Settings (or not present) *Network Settings (or not present) **Amplifier NameSetup Hardware infoHardware monitorLCD contrastLocal presets Recall local presetSave local presetSet Keylock codeMenu lockingServiceAnalog=>DSP=>Out *AES3=>Out *AES3=>DSP=>Out *K8=>OutK8=>DSP=>Out *Analog=>Out* Available only with optional DSP boardfigure 12SettingsDispla yLoca l Preset
