Index
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5IFSNP
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II
__________________________ Finnigan LTQ Hardware Manual _______________________
tube lens, 4-13
vacuum manifold, 4-36
Communication LED
description, 2-8
MS detector reset, 5-9
MS detector startup, 5-7
note, 5-11
Components, 5-14
computer
features, 2-40
consecutive reaction monitoring (CRM)
defined, 1-16
controls, 2-35, 2-36
Convectron gauge
description, 2-30
on/off status (table), 5-14
pressure readings (table), 3-4
convectron gauge
control circuitry, 2-36
conversion dynode
cleaning, 4-36
control circuit, 2-35
on/off status (table), 5-14
voltages, 2-21
cooling fans
description, 2-31
corona discharge needle
voltage, on/off status (table), 5-14
covers
top, reinstalling, 4-37
top, removing, 4-28
cross sectional views
electron multiplier, 2-22
ion detection system, 2-22
D
daily maintenance
API probe, flushing, 3-6, 4-7
ion sweep cone, flushing, 3-8, 4-7
ion transfer capillary, flushing, 3-8, 4-7
rotary-vane pump oil, purging, 3-11
sample tube, flushing, 3-6, 4-7
transfer line, flushing, 3-6, 4-7
daily system checks
air leaks, 3-4
disk space, 3-5
helium supply, 3-2
list, 3-2, 3-6
nitrogen supply, 3-2
overview, 3-1
damping gas
description, 2-19
on/off status (table), 5-14
damping gas valve
description, 2-31
data system
description, 2-40
instrument interface, 2-41
LAN interface, 2-42
LC interface, 2-41
personal computer, 2-40
primary Ethernet adapter, 2-41
resetting, 5-11
shutdown, 5-5
startup, 5-6
data types
defined, 1-18
Depth Focus
in Ion Tree experiment, discussion, 1-23
detector system
description, 2-21
disk space
checking, 3-5
divert/inject valve
button and LEDs (figure), 2-9
button, location (figure), 2-6
control circuitry, 2-35
description, 2-6
Divert/inject Valve dialog box, 2-6
LEDs, location (figure), 2-6
location (figure), 2-6
loop injection, 2-6
replaceable parts, 7-12
syringe port, location (figure), 2-6
E
electrical feedthroughs
vacuum manifold, 2-27
electrometer circuit
description, 2-38
electron multiplier
anode, description, 2-21
checking, 4-39
cleaning, 4-36
control circuitry, 2-35
cross sectional view (figure), 2-22
description, 2-21, 2-38
location (figure), 2-27, 2-28
on/off status (table), 5-14
removal (figure), 4-41
replaceable parts, 7-12
replacing, 4-39
voltage, setting, 4-42
voltages, 2-21
electronic assemblies
8 kV power supply, description, 2-33
description, 2-32
ion detection system, 2-38
Low Pass Filter PCB, description, 2-37
Power Entry Module, description, 2-32
power supplies, replacing, 6-5
replacing, 6-7
RF/waveform voltage generation, description, 2-36
Turbomolecular Pump Controller, description, 2-29
electronics service switch
description, 2-9, 2-32
location (figure), 5-2
MS detector components on/off status, 5-14
electrospray ionization (ESI)
discussed, 1-4
electrospray process (figure), 1-6
rules for good electrospray, 1-7