Run Checktune (LC/MS)

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.

  1. Click Method.

    Ribbon_MethodLayout.jpg
  2. In the Acquisition Method window in the navigation pane under Instrument Setup, click SQ.

  3. In the navigation pane, select Tune > Checktune.

  4. If needed, click Take. In this image, Take is already selected.

    Ribbon_TakeControl.jpg
  5. Click TB_TuneControl.jpg Tune control to lock the instrument for tuning.

  6. Click TB_StartChecktune.jpg 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 TB_UnlockTune.jpg 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.

Checktune toolbar

In the Checktune section, the following options are available:

TB_TuneControl.jpg Tune control

Click to lock control of the instrument for tuning. This button is only available when the instrument is unlocked.

unlocktune.png Tune control

Click to unlock control of the instrument. This button is only available when the instrument is locked for tuning.

restore.png Tune reports

Click to generate a detailed tune report.

scheduletune.png Schedule tune

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.

TB_StartAutotune.jpg Run Checktune

Click to start a Checktune.

TB_StopTuneAcquisition.jpg Stop tune

Click to stop the tuning process.

export.png Export to file

Click the save the contents in the Tune status window as a .txt file.

Checktune table

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.

See Also

Run Autotune

Tune the SQ instrument