Introduction JesterML Operating Manual73-406-00 Issue 1.0 5 of 65Master Controls and DisplaysThese controls set the general operating conditions for the desk.MODEThe MODE button is used to select the operational mode of the desk. The red LEDsto the left of the button show the current operating mode (SETUP, PRESET,PROGRAM, RUN).GRAND MASTERThe GRAND MASTER fader is used for overall control of the maximum output levelsfrom all brightness channels of the desk.BLACKOUTThe BLACKOUT button makes all the brightness channels output zero. Pressing theBLACKOUT button toggles between Blackout (all channels at zero) and normal deskoutputs. The LED in the BLACKOUT button indicates the current state (Flashing =Blackout, Off = Normal). This is also replicated on the monitor, with flashing‘BLACKOUT’ text on the screen. Both Blackout and the Grand Master do not affectLTP (fixture attribute) channels and DMX-input.PROGRAM/GOThe PROGRAM/GO button is a multi-coloured, multi-function button which adapts tothe mode in which the desk is currently set. In Preset Mode, the button is inactivealthough when set to wide mode, it functions as a preset store button, and iscoloured yellow. In Program Mode, the PROGRAM/GO button functions as aprogram (record) button, and is coloured red. In Run mode, the PROGRAM/GObutton acts as a go/pause button and is coloured green.Turning on the Desk1. Connect the DMX cable and monitor (if required). Although the monitor isoptional, you will find the desk easier to use with a monitor attached.2. Connect the power supply to the desk and switch it on at the mains.3. Ensure that ‘Blackout’ is not active (the red LED in the Blackout button is off).4. Set the A MASTER and B MASTER faders to zero.5. Set the GRAND MASTER fader to full.Numeric EntryNumeric fields can be completed by using the Multi-Function-Keys. On theJesterML24, the CHANNEL FLASH buttons on preset B can also be used for thispurpose. Firstly navigate to the required field, then press ENTER. The Multi-Function-Keys (and channel flash buttons on the JesterML24) now function asnumber buttons. Once the number is entered, press ENTER to confirm.