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AD-6121A 

- 2 - 

English 

1. 

PRECAUTIONS 

1.1. 

Safety Precautions 

 

 

CAUTION 

  Do not place the scale on a soft, wet or slippery floor. Place the scale on a solid and 

level floor. 

  Do not place the scale in areas where it can be tripped over or kicked. 
  Do not step on the scale if your feet are wet. 
  Step on the center portion of the scale gently. 
  Do not step on the display window. 
  When carrying the scale, be sure to hold it by the handle, and do not swing around 

or bump the scale. 

  Do not disassemble or modify the scale. Keep the scale free of moisture, dust and 

foreign materials. 

  Only qualified personnel can repair the scale. Attempting repairs yourself may 

cause a fire or damage to the scale. Damage caused by attempting to do the repair 
yourself will void the warranty. 

 
 

1.2. 

Handling Precautions 

 

1.2.1. 

Installation 

  Place the scale in a flat floor free from vibrations and drafts. The floor should be solid 

enough to support the weight of the scale and the person being weighed. 

  Place the scale where it is not exposed to direct sunlight. 
  Place the scale where it is not exposed to external noises and strong electromagnetic 

waves. 

 Do not place the scale where there are corrosive, flammable, or explosive 

substances. 

  Keep the temperature and the humidity of the installation site within the specified 

operating temperature range/humidity. 

 

 

Precautions for use 

  The maximum weighing capacity of the scale is 150 kg. Do not place anything on the 

scale that is beyond the weighing capacity. 

  Stand still on the scale during weighing operation. 
  Keep the cables of the AC adapter and other options away from the scale top surface. 

If they are in contact to the scale surface, a weighing error may occur. 

  Do not press the ON/OFF switch or the ZERO switch forcibly. Do not kick them. 

Summary of Contents for AD-6121A

Page 1: ...AD 6121A 1WMPD4001528...

Page 2: ...n death or serious injury CAUTION A potentially hazardous situation which if not avoided may result in minor or moderate injury This is a hazard alert mark This manual is subject to change without not...

Page 3: ...7 2 Calibration Using the Calibration Weight 10 7 3 Adjusting the Gravitational Acceleration 13 8 DATA COMMUNICATION 14 8 1 RS 232C Serial Interface 14 8 1 1 Interface specifications 14 8 1 2 Data for...

Page 4: ...tions 1 2 1 Installation Place the scale in a flat floor free from vibrations and drafts The floor should be solid enough to support the weight of the scale and the person being weighed Place the scal...

Page 5: ...hile the person being weighed is on the scale Scale Displays the weight without holding it Suitable to the weighing with a tare The displaying direction can be changed The display is equipped with the...

Page 6: ...ch ON OFF switch Display direction switch Mode selection switch Weighing surface 4 PART NAMES AND ACCESSORIES Accessories AC adapter Instruction manual Note The shape of the adapter plug may differ fr...

Page 7: ...ale holds the displayed weight Personal Holds the weight when it becomes stable and displays the value for about 5 seconds after the person being weighed steps off the scale Used when the person being...

Page 8: ...the ON OFF switch is turned off and then turned on again 5 BEFORE USE 5 1 Preparation Procedure 1 Use the accessory AC adapter or four type AA alkaline batteries 2 Place the scale on a solid floor an...

Page 9: ...body wash the body part under running water immediately When the Low battery mark appears replace the batteries with four new type AA batteries Please note that the Low battery mark does not appear w...

Page 10: ...acklight turns on 3 Press the ZERO switch If the displayed value is not zero press the ZERO switch 4 Step on the scale gently and read the weight The scale displays the weight When the value is stable...

Page 11: ...switch 3 Place the tare on the scale gently Place a tare item of 3 kg or more on the scale When the value is stable the Stable mark turns on 4 Press the ZERO switch The tare mark turns on and the disp...

Page 12: ...n the CAL and ZERO switches press and hold the ON OFF switch for about 2 seconds All of the display segments turn on Release the switches after about 2 seconds 2 While all the display segments are on...

Page 13: ...tch is pressed the number increases by 1 When the Display direction switch is set to each time the ZERO switch is pressed the number decreases by 1 Note The gravity values for various locations are li...

Page 14: ...o point data 17 With C 12 on the display press the ON OFF switch The display indicates CAL1 18 Place a 150 kg weighing capacity weight on the scale and wait for the Stable mark to turn on 19 Press the...

Page 15: ...CAL switch 3 times The display indicates 9798 which means the gravitational acceleration setting of the installation site is 9 798 m s2 If the CAL switch is not pressed 3 times within about 5 seconds...

Page 16: ...bit Even Odd Stop bit 1 bit Code ASCII Terminator CR LF CR 0Dh LF 0Ah 8 1 2 Data format Space 20h Carriage return CR 0Dh Line feed LF 0Ah 8 1 3 Output timing Mode selection switch Output timing Perso...

Page 17: ...s described above 2 Select Start Program Accessories and Hyper Terminal If Hyper Terminal is not installed install it using Add Remove Programs 3 Double click the Hyper Terminal icon to start Hyper Te...

Page 18: ...eezed or rung out so that it is not dripping wet Do not use organic solvents such as thinner benzine and methanol to clean the scale Do not use a disinfectant that contains chlorine to clean the scale...

Page 19: ...ed Check that nothing is touching the scale The switches do not function The display does not change even when the switches are pressed Disconnect the AC adapter and connect it again Then turn the pow...

Page 20: ...on can be changed Operating temperature range humidity 5 C to 35 C 85 RH or less No condensation Power supply AC adapter or four type AA batteries Not included Battery life Approx 1000 weighing operat...

Page 21: ...m s2 Los Angeles 9 796 m s2 Stockholm 9 818 m s2 Buenos Aires 9 797 m s2 Madrid 9 800 m s2 Sydney 9 797 m s2 Calcutta 9 788 m s2 Manila 9 784 m s2 Taichung 9 789 m s2 Cape Town 9 796 m s2 Melbourne 9...

Page 22: ...3 Fax 1 408 263 0119 A D INSTRUMENTS LTD UK Office Authorized Representative Established in the European Community Unit 24 26 Blacklands Way Abingdon Business Park Abingdon Oxfordshire OX14 1DY United...

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