15GETTING STARTEDIn the next menu press the [1] or [2] button to define the measure-ment unit the level is to be indicated. Press [OK] to keep the currentsetting.The next menu prompts you to set the mute function using the [1]or [2] button. If you select ON, the MSK 125 is switched to silentas long as the incoming signal on the RF input is below 30 dBμV.Press [OK] to keep the desired setting.After you have set the low-level mute you automatically exit the thirdsetup menu.2. Setup menu3. Setup menuDEFAULT SETUP SETTINGS AT TIME OF SHIPMENTParameter SettingLNB DC OFFLEVEL dBμVLOW LEVEL MUTE ONMAINS AND BATTERY OPERATIONThe MSK 125 can be operated on the mains or by means of itsintegrated battery.MAINS OPERATIONRemove the supplied AC power unit (100 V...250 V) from thepackaging and connect it to the device and mains.The integrated lithium-ion battery and the green LED next to the[ON/OFF] button indicate the external power supply.For mains operation use only the supplied power unit. The powerunit is connected to the XLR power supply socket on the left side ofthe device.For longer times the devices is not used it should be connectedto the mains occasionally (trickle charge).Note: A 12 V vehicle supply cable can be obtained through ourcustomer service (company ESC, address see page 51) (article no.:19700841BF).