4
Daily Operation
After Operating the System
Thermo Scientific
MS/ETD System Getting Started Guide
31
After Operating the System
After operating the LTQ XL/ETD or LTQ Velos/ETD system, follow these procedures:
•
Placing the System in Standby Mode
•
Purging the Oil in the Fore Pump
Placing the System in Standby Mode
To place the system in standby mode
1. Open the Tune Plus window; see the instructions on
2. Choose
Setup > Reagent Ion Source
to open this dialog box (
Figure 20.
Reagent Ion Source dialog box
3. Clear the
Reagent Ion Source On
check box.
When you clear this check box, the ETD source and reagent heaters go in standby mode
and the filament and vial heaters turn off. Simultaneously, a valve opens to allow nitrogen
gas to cool the reagent vials. This cooling nitrogen runs until the vials cool down to 70 °C
(158 °F). When you hear the sound of escaping gas, the cooling nitrogen has turned
on—this sound is a normal part of the instrument operation.
4. In the Tune Plus window, click the
On/Off/Standby
button to select the
Standby
mode.
On
Off
Standby
