USN-500 - USER MANUAL
Contents
1. moisture extreme temperature changes magnetic fields careless handling and misuse V TROUBLESHOOTING The primary reasons for inaccuracy or malfunction are low batteries incorrect calibration overload or operating on an unstable surface Please keep this in mind and maintain and operate your scale properly LO Low battery please replace the batteries OuEr The load cell of the pocket scale is being overloaded You need to remove the excessive weight from the scale immediately UnSt The pocket scale is placed on an unstable surface please move the scale to a more stable surface rCAL the pocket scale cannot return to zero Please recalibrate the scale CAL This is the prompt for beginning the calibration process of your scale You will see this message when you press and hold the Cal button on your scale Once this message appears you must release the button and follow the remaining steps for calibrating your scale PASS You have successfully calibrated your scale you are now able to use the scale FAIL Calibration has failed please make sure you have the scale on a stable surface and that you are using the correct weight to calibrate the scale Try to calibrate the scale following the calibration instructions exactly Tested to comply with FCC standards2. US BALANCE The Only Weigh USN 500 User Manual Capacity 500g x 0 1g Weighing modes g 0z gn dwt Thank you for purchasing US 1000 digital scale Please read all operation instructions carefully before use Scales are precision instruments and should always be handled with proper care To ensure years of reliable service keep these simple tips in mind e Do not exceed the scales maximum capacity Overloading your scale can permanently damage it e Avoid exposure to extreme heat or cold Scales perform best at normal room temperature If temperatures have changed dramatically recalibration may be necessary e Allow your scale to warm up for 30 60 seconds before performing calibration if available e Store your scale in a clean dry location Dust dirt and moisture can accumulate on the weighing sensors and electronics causing inaccuracy or malfunction e Avoid using you scale in close proximity to strong radio wave emitting devices such as computers cash registers and cordless phones e Always weigh on a flat level surface free from vibrations and drafts The corner of a room is usually the most stable e Gently apply all items to be weighed Do not drop items onto the weighing platform e Avoid dropping your scale The warranty does not cover damage due to rough treatment or overload l SCALE OPERATION Always weigh on a flat horizontal surface 1 Before turning the scale on set the switch on
3. the underside of the scale to the desired weighing mode 2 Press ON OFF key 3 Wait until 0 0 or 0 is displayed 4 Place the object s on the weighing platform bowl Il TARE FUNCTION 1 Turn on scale as described above 2 Place the tare item on the platform 3 Press TARE and wait until 0 00 is displayed 4 Place Item to be weighed Once you are finished weighing remove all objects from the scale Press the TARE again to cancel the TARE FUNCTION e Return To zero After weighing an item if the display does not read 0 0 press the ZERO TARE button to return to 0 0 and you are ready to weigh again e Change Weighing Modes Press the CAL MODE button to change weighing modes on your scale II STANDARD CALIBRATION With the scale turned on and placed on a stable surface 1 Press and hold the CAL MODE button Then display will show CAL 2 press and release CAL button again and 100 will flash in the display 3 Immediately place a 100g weight on the scale The scale will reset itself and will give you a PASS message Calibration is complete You can turn off the scale IV OPERATING ENVIRONMENT The optimum operating temperature for the scale is 50 86V F 10 30C Rough handling of the scale will damage the internal sensor so you must avoid actions such as shaking or dropping the scale This is a sensitive piece of electronic equipment and will be affected by things such as
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