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TQBM0933
D:\A_Job\PSG\_FY22\SC-PM270\Source\woi\PM272EB.EG_TQBM0933_EN.fm
System memory reset
Reset the memory when the following situations occur:
• There is no response when buttons are pressed.
• You want to clear and reset the memory contents.
1 Disconnect the AC mains lead.
2 While you press and hold [1] on the main unit, connect the AC mains lead again.
Continue to press and hold the button until “––––––––” is shown.
3 Release [1].
All the settings are set back to the factory preset.
It is necessary to set the memory items again.
Maintenance
Disconnect the AC mains lead before maintenance. Clean this system with a soft, dry cloth.
• Never use alcohol, paint thinner or benzine to clean this system.
• Before using chemically treated cloth, read the instructions that came with the cloth carefully.
PM272EB.EG_TQBM0933_EN.fm Page 27 Wednesday, August 30, 2023 4:20 PM
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