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Dionex VWD Operator's Manual
S
Safety labels, 7
Safety messages, 5
Sample wavelength
Guidelines for selecting, 37
Screws (shipping), 82
Selectivity group, 109
Self-test, 25
Semi-micro flow cell, 12
Heat exchanger, 12
Installation, 73
Specifications, 78
Sensitivity, 33
Sequence, 33
Server Configuration program (Chromeleon
6.8)
Starting, 27
Server Monitor (Chromeleon 6.8), 27
Service
Deuterium lamp, 65
Flow cell, 72
Fuses, 74
Tungsten lamp, 69
Shipping locks, 82
Shipping the detector, 38
Short-term noise, 35
Shutdown procedures, 37
Long-term, 38
Short-term, 37
Smart Shutdown, 37
Signals
Analog output, 18
Digital I/O, 89
Enabling, 104
Equilibrating the baseline, 29
Signal-to-noise ratio, 34
Signal-to-noise ratio, 34
Single-channel VWD, 1
Data collection rate, 34
Smart Shutdown, 37
Solvent delivery system, 20
Solvents
See Mobile phases
Index-6
Spare parts, 107, 109
Standard flow cell, 12
Heat exchanger, 12
Installation, 73
Specifications, 78
Standby procedures, 37
Startup, 25
Status bar
LEDs described, 10
Step
Definition, 36
Guidelines for selecting, 36
Selection by software, 36
System equilibration, 29, 56, 59
Using the Smart Startup feature, 30
System Wellness, 23
T
Time constant
Guidelines for selecting, 34
Recommended settings, 35
Timebase (Chromeleon 6.8)
Assigning the VWD to a timebase, 101
VWD not connected, 55
Troubleshooting, 41
ALARM LED is lighted, 55
Baseline drift, 58 – 59
Baseline noise, 56 – 59
Elution time is slow, 56
Lamp does not light, 56
Leaks, 49
Low lamp intensity, 49
Peak broadening, 59
Poor reproducibility, 60
VWD does not respond, 55
Windows error message, 55, 61
TTL inputs, 17
Tubing
Replacing, 63
Tubing chase, 11, 18
Tungsten - VIS LED, 10
Doc. 065377-01 1/12
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