If Checktune is Out of Tolerance, please run an Autotune. See Run Autotune.
To run a Checktune, you must have the Manual control (only when instrument is idle) permission.
Click Method.
In the Acquisition Method window in the navigation pane under Instrument Setup, click SQ.
In the navigation pane, select Tune > Checktune.
If needed, click Take. In this image, Take is already selected.
Click Tune control to lock the instrument for tuning.
Click Run Checktune. Checktune will run and a report is generated.
Once checktune starts, the Progress bar and Tune status window displays the progress and status of the tune.
Click Tune control to unlock the instrument after you finish tuning. If you do not unlock the instrument, it is unlocked automatically after 3–4 minutes.
In the Checktune section, the following options are available:
| Click to lock control of the instrument for tuning. This button is only available when the instrument is unlocked. |
| Click to unlock control of the instrument. This button is only available when the instrument is locked for tuning. |
| Click to generate a detailed tune report. |
| Click to open the Schedule Tune dialog. |
Show description | Select to display the Description column in the tune table. The descriptions match the descriptions from the tune configuration table, including any customizations. |
| Click to start a Checktune. |
| Click to stop the tuning process. |
| Click the save the contents in the Tune status window as a .txt file. |
The following table describes the columns in the tune table:
On | The Standard Quadrupole is automatically selected and cannot be unselected. |
Instrument mode | The name of the instrument mode. |
Polarity | The polarity chosen for this instrument in the Configure Tune section (±, + or -). |
Tune status | The status of the tune (Running, Reading, Expiring soon, Expired, or Error). |
Last tuned | The date the last checktune was performed. |
Expires on | The recommended date that the next checktune should be performed to maintain optimum performance. |
Description | The description of the instrument mode as defined in the Configure Tune section. |