DSR-400 Technical Manual Table of Contents Introduction Set-up Procedures A. Setting Auto-Off B. Calibration III. Troubleshooting IV. Wiring Diagram SAFETY INSTRUCTIONS Before using the scale, carefully read, understand and follow the “Safety Instructions” described in this manual. Observe the advice given in every section to ensure proper operation.
0.5 kg Full Scale The DSR-400 can be powered by 6-AA batteries or by an AC adapter. Use only the AC adaptor sup- plied or an adaptor of the same output characteristics. While operating the DSR-400 on batteries, an automatic-off feature is enabled. It will turn off the scale after two minutes of non-use unless the feature is disabled.
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DSR-400 Technical Manual II Set-up Procedures II.B Calibration 1. Turn the scale on. 2. With all items remove from the scale platform: Press and hold the <ON> key and quickly press the <lb/kg> key three times. The scale will show the raw zero counts. It should be between 2000 and 5000 counts.
DSR-400 Technical Manual III Troubleshooting Problem Possible Cause Solution The scale will not power on. Batteries dead or incorrectly Test batteries. Reinstall if installed. needed. AC adapter loose or malfunc- Reseat adapter. Replace if tioning. needed. CPU board malfunction. Replace CPU board.
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