MALDI Q-Tof Premier Operators Guide - Waters

• On the Instrument page, set the detector voltage 100 V higher than forESI (this is a typical example, actual voltages may vary. Contact Watersfor further information).• The Collision and API gasses are on.• The cooling gas is set to 10.• The mass range in the Tuning Settings dialog box is appropriate to yoursample.• The laser firing rate is set to maximum.• The ion mode and polarity appropriate to your sample.RF Settings dialog box:To obtain an ion beam:1. Click to switch the camera on and view the sample plate.2. Select a sample well containing your sample.3. Click from the Tune window tool bar.1-18 Basic Principles