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SAFETY PRECAUTIONS 

All safety messages are identified by the following the words "

WARNING

" and 

"CAUTION"

. These words mean the following: 

 

WARNING

 

Important information to alert you to a situation that 
might cause serious injury and damage to your 
property if instructions are not followed. 

CAUTION 

Important information that tells how to prevent damage 
to equipment. 

 

When using the scale/balance, the following safety precautions should always be 
followed. 

△ 

WARNING 

Use only the AC adaptor with the scale/balance. Other adaptor may cause 

damage. (AC adaptor is optional) 

 

△ 

CAUTION 

 

Avoid installing the scale/balance in direct sunlight, this may cause 

discoloration or malfunctions.     

 

 

Keep scale at room temperature, away from heat sources. 

 

 

Avoid shock impact and loading over capacity.    Do not keep heavy object 

permanently on the platform. 

 

 

If scale is not used for an extended period, keep it clean and stored in 

plastic package. 

 

 

Matter charged by static electricity will influence the weighing.   

 

 

 

             

 

CALIBRATION 

When to calibrate 

1.  Press [ON/OFF] to turn the power on for 15 minutes for warm up.   

2. 

With scale turned off, press [ON/OFF] to turn the power on. 

 

3. 

Display will show flashing digits and then “--------”, 

 

4. 

Press [ZERO], the display will show “CAL”. 

 

5. 

Press [ZERO] again , the display will show “X0000 g” where X is the 

flashing digit, 

 

6. 

Press [UNIT] key to move the flashing digit to the right. 

 

7.  Press [PCS] key to increase the flashing digit. (X is the calibration 

weight which can be set according to your requirement – we 

recommend a minimum of 50% balance capacity). 

8.  Press the [ZERO] key, the display will show a series of digits known as 

the A/D value, these numbers will continuously move, once the display 
shows the stable indicator (please see page 16 for help locating the 
stable indicator), press the [UNIT] key, the display will then show --------, 
then “X00.00” or “X000.0” depending on the model and capacity. 

9.  Place the calibration weight on the center of the platform. 

10. Press

 

[ZERO] key to return to weighing mode.   

11. Now the Calibration is completed.   

12.  Press [ON/OFF] to turn off the power. 

13.  Press [ON/OFF] to turn on the power again.     

14.  Place the weight on the platform to make sure weighing is correct, if not, 

repeat above steps. 

 

 

 

 

Summary of Contents for T-302

Page 1: ...y Err Z 1 Exceeded the zero tracking range when powering on 2 Forgot to install pan when performing linearity calibration 1 Pan should be empty on power up Remove any weight from pan 2 Install pan and then recalibrate scale linearity calibration Err S Inner code unstable when powering on 1 Make sure the scale is stable when powering on 2 Low battery change or charge battery 3 Allow for longer warm...

Page 2: ...TION When to calibrate 1 Press ON OFF to turn the power on for 15 minutes for warm up 2 With scale turned off press ON OFF to turn the power on 3 Display will show flashing digits and then 4 Press ZERO the display will show CAL 5 Press ZERO again the display will show X0000 g where X is the flashing digit 6 Press UNIT key to move the flashing digit to the right 7 Press PCS key to increase the flas...

Page 3: ...an press PCS key to select zero range when turn on the scale press UNIT key to select percent PZR 0 2 3 4 5 10 20 100 FS Press ZERO key to set zero range press UNIT key to select percent KZR 3 4 5 10 20 Press ZERO key to set tare range press UNIT key select percent KTR 50 FS or KTR 100 FS Press ZERO key to enter overload protection setting press UNIT key to select overload protection value OVR 0 2...

Page 4: ... please allow the balance to warm up for 10 minutes after first turning to power on so that the balance will function properly and accurately Calibration may be required before weighing Read CALIBRATION first and if necessary calibrate your scale balance for accurate weighing Weighing procedures 1 Press ON OFF to turn on the balance When power is turned on all display segments appear on LCD for a ...

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