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After the scale is ON, you can press 

 to reset the scale to zero. This can be used for eliminating from a

sample (or a Tray/Container) the weight value of a container weight is permanently removed for the
remainder of the procedure. Just turn the scale ON, place the tray or container on weighing platform, and

press the 

 key. The scale will show 0.0 (or 0.00) on the display and you can add items to the

container/tray.

NOTE: When all weight are removed from the weighing tray, the tared value of a container will be
displayed as a negative number. Cycle the power on the scale to reset the scale to zero.

** These electronic scale are precision instruments. Avoid disturbing environmental conditions such as
currents, vibrations, strong electrical and magnetic fields as well as a rapid change of the ambient
temperature.

Summary of Contents for 120-Z

Page 1: ... will have to follow the warranty instructions that came with your scale 3 If the display becomes locked on 8888 this often indicates low batteries However sometimes it also may indicate a serious zero mark error This means when you turn the scale on it can t determine what zero is a slight zero mark error will cause situation 1 above Thus if new batteries do not fix this error the scale will have...

Page 2: ...olong the longevity and accuracy of this weighing instrument These electronic scale are precision instruments Do not operate near an in use cell phone cordless phone radio computer or other electronic device These devices emit RF and can cause unstable scale readings If your scale ever performs poorly try moving the scale to a different room or location This is a very precise scale the display may...

Page 3: ...d the key for 5 seconds to turn the scale off NOTE if after calibration your scale does not read accurately this indicates calibration error and the calibration process should be repeated more slowly Please calibrate on a very stable flat surface B Instructions for the Z with the switch on the bottom of the scale 1 Turn the scale OFF Slide the switch on the bottom of the scale from Norm to CAL The...

Page 4: ...t appears on the left side of the LCD whenever the scale is stable and at Zero KEY PAD FUNCTIONS UNIT the left key Unit mode selection Press and hold the left key to change weight unit You can select g grams oz ounces dwt pennyweight or ct carats ON OFF Press this key to turn unit on Once the unit is on press and hold the same key for 5 seconds to turn the scale off Special Tray Cover The protecti...

Page 5: ...and press the key The scale will show 0 0 or 0 00 on the display and you can add items to the container tray NOTE When all weight are removed from the weighing tray the tared value of a container will be displayed as a negative number Cycle the power on the scale to reset the scale to zero These electronic scale are precision instruments Avoid disturbing environmental conditions such as currents v...

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