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SM421 Operation Handbook
18
PART II. Power supply and Procedure Preparing for Production
4. Warming-Up
1. Selecting the ‘Utility’ Menu: Displays the Utility screen
2. Selecting the ‘Warmup’ submenu: Open the Warm Up
dialog box
The warm-up should be performed for about 10 minutes
before starting the part placement in order to increase the
placement accuracy.
Temperature condition: 20 ~ 28
℃