Figures
xii LTQ Orbitrap Velos Hardware Manual Thermo Fisher Scientific
Data Acquisition Analog board ........................................................... 1-51
Instrument Control board ................................................................... 1-52
Power Distribution board ................................................................... 1-54
Power Supply 1 board ......................................................................... 1-57
Electronic boards on the left side of the instrument ............................. 1-59
Ion Optic Supply board ...................................................................... 1-60
Central Electrode Pulser board ............................................................ 1-61
Temperature Controller board ............................................................ 1-62
CLT RF unit (cover removed) ............................................................. 1-64
Central Electrode Power Supply board ................................................ 1-65
High Voltage Power Supply board (cover removed) ............................ 1-67
High Voltage Power Supply board with SPI Bus Termination
board ................................................................................................... 1-68
Main power switch in Off position ....................................................... 2-2
Tune Plus window, toolbar ................................................................... 2-4
Reagent Ion Source dialog box with Reagent Ion Source On box
and Actual condition circled .................................................................. 2-5
Placing the reagent ion source in Standby condition ........................... 2-14
Bakeout timer ....................................................................................... 3-4
Schematic of ETD forepump ................................................................ 3-6
Accessing the ETD Forepump: Removing the panel ............................. 3-7
Hooks (left) and top side of detached bottom panel (right) ................... 3-7
Lugs for fixing the bottom panel ........................................................... 3-8
Gas ballast control positions .................................................................. 3-9
Routine maintenance sequence for ETD system .................................. 3-12
Rear view of the ETD Module ............................................................ 3-18
Ion source components (left view) ....................................................... 3-21
Tune Plus window .............................................................................. 3-22
Ion volume tool components ............................................................... 3-23
Guide bar being inserted into guide bar opening ................................. 3-23
Guide bar insertion complete .............................................................. 3-24
Rear view of the ETD Module, showing the inlet valve ....................... 3-24
Ion volume tool handle in the unlock position .................................... 3-25
Ion volume tool guide bar first stop ..................................................... 3-25
Reagent Ion Source dialog box, Open Probe Interlock button. ............ 3-26
Instrument Message box: The Ball Valve can now be opened .............. 3-26
Ion volume tool inserted into the inlet valve ........................................ 3-27
Detail of ion volume tool fully inserted into the inlet valve ................. 3-27
Ion volume tool handle in the locked position .................................... 3-28
Ion volume assembly ........................................................................... 3-29
Separating ion volume and ion volume holder .................................... 3-29
Placing the ion volume on the ion volume tool ................................... 3-30
Ion volume tool handle in the unlock position .................................... 3-31
Ion volume tool handle in the locked position .................................... 3-32
Inlet valve components (ion volume tool not shown) .......................... 3-34
Valve shield (1) covering the vacuum manifold probe plate ................. 3-34
Removing the foreline hose from its connection .................................. 3-35
Unscrewing the vacuum manifold probe plate ..................................... 3-35
Removing the vacuum manifold probe plate ....................................... 3-36