Manual says on the Slider's page the following:
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The sliders jump to their default positions (pos parameter) when the script is started the first time, or when [Script], [Asset], or [Edit] was clicked. Otherwise the sliders keep their previous position. For testing a script with a certain slider position, click [Test], wait until the sliders appear, then click [Stop], put the sliders to the desired position and click [Test] again. In [Trade] mode the sliders are stored in the .trd file and thus always 'remember' their last position.


It seems that this part isn't true anymore:
Quote:
or when [Script], [Asset], or [Edit] was clicked



This part is a bit inaccurate:
Quote:
For testing a script with a certain slider position, click [Test], wait until the sliders appear, then click [Stop], put the sliders to the desired position and click [Test] again.

It isn't enough to simply wait until the sliders appear. One should wait until the INITRUN is over and "Test: <script name>" message appears.

When it comes to the Trade mode, the logic is different and .trd file is used as mentioned in the manual. But what happens during the first run of a strategy when there is no trd file? According to my observations, when running a script for the first time in the Trade mode a desired slider position could be set using 2 options:
  • 1st option: Start Test. Wait until INITRUN is over and "Test: ..." message is shown. Stop it. Set the slider. Then Trade a script. The slider won't be overwritten by the default value.
  • 2nd option. Run a script with the default slider in the Trade mode. Simply change the slider while running in the Trade mode.