Index: L optimizing methods, 75 powering on, 13 reconfiguring, 98 running a sample, 51 troubleshooting, 89 tuning, 17 <strong>ISQ</strong> Autotune utility, about, 18 <strong>ISQ</strong> AutoTune, about, 77 L leak, indications, 90 leaks, checking for, 5 lights Heater, 15 Vacuum, 15 lights on <strong>ISQ</strong> power, 13 M maintenance, settings, 101 mass range, narrowing, 76 methods acquisition, 34 creating, 31 optimizing, 75 purpose <strong>of</strong>, 31 N NCI mode, using, 35 O opening a sequence, 53 P PCI mode, using, 35 peak height, minimum, 35 peak issues, investigating, 92 peaks (troubelshooting) broadening, 92 peaks (troubleshooting) double peaks, 92 fronting, 93 ghost, 93 none, 93 tailing, 94 unresolved, 95 power, checking, 13 preparing samples, 51 pressure (carrier gas tank), checking, 14 pr<strong>of</strong>iled data, about, 37 R raw file, selecting, 66 reconfiguring the <strong>ISQ</strong>, 98 regulatory compliance iii replacing columns, 3 resolution and column capacity, 1 results (troubleshooting) low reproducibility <strong>of</strong> peaks area, 96 poor sensitivity, 97 retention times, 97 retention times, troubleshooting, 97 routine maintenance causes, 90 S safety standards iii samples preparing, 51 running, 51 scan rate, optimizing, 76 scans, running, 36 sensitivity, troubleshooting, 97 sequences about, 52 customizing, 62 opening, 53 prioritizing, 63 running, 52 saving, 59 SIM mode, about, 37 solvents choosing, 51 purpose <strong>of</strong>, 51 T tailing peaks, troubleshooting, 94 temperature <strong>of</strong> the ion source, 35 temperature <strong>of</strong> the transfer line, 76 temperature <strong>of</strong> transfer line, 35 temperature, checking, 15 transfer line temperature, setting, 35 transfer line, about, 35 troubleshooting about, 89 baseline issues, 91 carrier gas flow, 14 carrier gas tank pressure, 14 GC display is blank, 13 peak issues, 92 results issues, 96 transfer line temperature, 35 108 <strong>ISQ</strong> <strong>User</strong> <strong>Guide</strong> Thermo Scientific
tune report, 22, 29 tune types adding, 19, 27 types, 25 tune reports example report, 22, 29 printing, 22, 29 settings, 22, 29 viewing, 28 tune types CI- tune, 19, 27 CI+ tune, 19, 27 daily tune check, 18, 26 Daily Tune, 18, 26 daily tune, 18 EI default tune, 18, 26 EI full tune, 19, 26 tuning 17 using Autotune, 18 with <strong>ISQ</strong> Autotune, 18 U unresolved peaks (troubleshooting), 95 user name, about, 63 V vacuum, checking, 15 voltage <strong>of</strong> filament, setting, 81 W WEEE compliance v Index: U Thermo Scientific <strong>ISQ</strong> <strong>User</strong> <strong>Guide</strong> 109