Retsch DM 400 - Manual (Page 30)

Working with the disc mill
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5.1 Display and control panel
 If the grinding chamber is open, the button (h) to lock the grinding
chamber is not lit up!
 During the motorised closing of the grinding chamber, the button
(h) flashes green until the grinding chamber is closed. It is then lit
up in green.
 When starting up, the start button (e) flashes green. When the
device has started up, it lights up in green.
 After stopping the device, the stop button (f) flashes red until the
disc comes to a standstill. When it is at a standstill it lights up in
red.
 When a dust extractor is connected, the button (g) lights up in
green after its activation.
 The +/- buttons (a, b) are used to adjust values and for menu
changes.
 The arrow buttons (c, d) are used to select menu items and to
make changes in the menu bar.
5.2 Menu navigation
Menu selection
1. The Parameter menu is used for the following:
‒ To adjust the gap width between the grinding discs → Gap
‒ To adjust the grinding time in minutes → Time
2. In the Check/Setup menu you can:
‒ Define the “zero point” → no gap between the grinding discs
‒ Change the direction of rotation of the moving grinding disc (6)
→ Reverse
‒ Set the language → Language