June 28, 2016, 715003956 Rev. C
Page 24
To start the instrument:
1. On the rear panel, ensure the nitrogen supply is connected to the instrument’s nitrogen inlet
connection (see page 21).
Requirement: The nitrogen must be dry and oil-free, with a purity of at least 95%. Regulate
the supply at 600 to 690 kPa (6.0 to 6.9 bar, 87 to 100 psi).
2. Power-on the workstation, and log in.
3. Press the power switches on the top, left-hand sides of the ACQUITY system modules,
including the QDa detector.
Result: Each module establishes communications with the workstation.
4. Allow approximately 5 minutes for the instruments to establish communications.
Tip: The power and status LEDs show steady green when the instruments have established
communications.
5. On the workstation, start the software.
Result: The instrument performs startup checks.
6. In the software, monitor the Instrument Console for messages and LED indications.
Warning: To avoid igniting flammable solvents, never let the nitrogen supply pressure fall
below 600 kPa (6.0 bar, 87 psi).
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