4Front Panel OperationsOperating the HDS4.2 is straight forward and simply a matter of plugging the HDS4.2’s power sup-ply into an available A.C. outlet, and then plugging the HDS4.2’s power supply into the back of theHDS4.2.To operate the HDS4.2 manually, press the power switch, located on the very left of the HDS4.2 tocycle power.Press any one of the four channel switches to switch the HDS4.2 to the selected channel.If the HDS4.2’s power is turned off, selecting any one of the four inputs will cause the HDS4.2 topower on and switch to the selected channel.P OWER TOGGLE C HANNEL 1 C HANNEL 2 C HANNEL 3 C HANNEL 4• P OWER TOGGLE. Pressing this button will cycle power from on to off, and off to on.• C HANNEL 1. Pressing this button will select channel 1 of the HDS4.2’s inputs, if power is offwhen this button is pressed, then the HDS4.2 will power on, and select channel 1.• C HANNEL 2. Pressing this button will select channel 2 of the HDS4.2’s inputs, if power is offwhen this button is pressed, then the HDS4.2 will power on, and select channel 2.• C HANNEL 3. Pressing this button will select channel 3 of the HDS4.2’s inputs, if power is offwhen this button is pressed, then the HDS4.2 will power on, and select channel 3.• C HANNEL 4. Pressing this button will select channel 4 of the HDS4.2’s inputs, if power is offwhen this button is pressed, then the HDS4.2 will power on, and select channel 4.1 2 3 4ZEKTOR