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Print Setup

There are three print types,

STABLE Print: print a stable reading when it is attained.
INSTANT Print: print immediately after press the Print key.
INTERVAL Print: print at predetermined time intervals.

Baud Rate Setup

Follow the procedures below:

1

Press Menu key.

2

Press Tare key, the balance reads “bAud”.

3

Press Count/Enter key, the balance reads “300”.

4

Press Tare key repeatedly, the balance display the other baud rates. Choose 
the  proper  rate  and  press  Count/Enter  to  confirm. The  balance  reads 
“ParITy” and begins parity check.

5

Press Count/Enter key, the balance reads “nOnE” (no check) for the first.

6

Press Tare key, it reads the other check  types, “Odd” indicates odd  check 
and “EvEn” indicates even check.

7

Choose  the  proper  check  type  and  press  Count/Enter  to  confirm,  the 
balance now returns to weighing mode.

Enabling Units of Measure

The units  function can be programmed  to turn certain weighing units on or off. To 
enable or disable certain units of measure, perform the following procedure.

1

Press Menu key, the display reads “PrInT”.

2

Press Tare key repeatedly until it reads “unIT”.

3

Press Count/Enter key, the display reads “g yes” which means g available for 
use. Press Count/Enter to confirm. To disable g as the unit, press Tare key, 
the display reads “g no”, press Count/Enter key to confirm.

4

Follow the steps above to enable or disable Oz, Ct or dwt as the unit of 
measure.

 

OPD-A Series

 

User Manual / Using Scale

 

10/15

Summary of Contents for OPD-A Series

Page 1: ...OPD A Series User Manual ...

Page 2: ...rial onto the platform as that could damage the balance Do not spill liquids on the balance as that could damage the balance Material that has a static charge could influence the performance of the balance Electromagnetic interference can affect the reading of the balance Unplug the power before cleaning and use a piece of soft cloth do not use any aggressive cleaning agent Make sure no liquid ent...

Page 3: ...unting Function 7 Percent Deviation Function 8 Inspection Function 8 Print Setup 10 Baud Rate Setup 10 Enabling Units of Measure 10 Restoring Factory Default 11 Backlight Setup 11 Additional Functions 12 RS232 Communication 13 More Info 15 Troubleshooting 15 Technical Support 15 OPD A Series User Manual Table of Contents 3 15 ...

Page 4: ... of models this manual covers Model Max Weight grams Accuracy grams OPD A103 120 0 001 OPD A203 210 0 001 OPD A303 310 0 001 OPD A403 410 0 001 OPD A503 510 0 001 OPD A1002 1200 0 01 OPD A2002 2100 0 01 OPD A3002 3100 0 01 OPD A4002 4100 0 01 OPD A5002 5100 0 01 OPD A Series User Manual Getting Started 4 15 ...

Page 5: ...t airflow contact with water and strong electromagnetic wave 4 Level the scale by using the bubble level indicator if available and adjusting the feet of the scale 5 Locate scale in the following condition 1 Temperature 5oC 40oC 2 When relocating the scale warm up the scale for 30 minutes 6 Plug in the scale to a surge protected power outlet 7 Press the ON OFF key in the front panel to turn the sc...

Page 6: ...le display will show its full range Press the TARE key and the calibration point will change on the display 4 Choose a calibration point place the correct weight on the pan 5 Press the CAL key and the scale should read CAL 6 When the calibration is completed the scale should read the value of the weight on the pan 7 Test the calibration by testing different known weights 8 Re calibrate if measurem...

Page 7: ... pennyweight 1gram 0 64301493100dwt g gram Counting Function To perform counting function follow the procedure below 1 Place the container on the pan if applicable 2 Press theTARE key 3 Press the COUNT ENTER key to choose the number of reference samples 4 Place the selected number of reference samples on the pan or container if applicable 5 Press the UNIT key the scale should read the number of sa...

Page 8: ...T 3 Press the COUNT ENTER key to confirm then the scale enters limits setup The display should read SET HI to set the highest weight limit 4 Press the COUNT ENTER key to confirm and the display shows 50 initialize value 5 Press the COUNT ENTER key and the display reads SET dP to set the decimal position PressTARE key repeatedly to choose the decimal position 6 Press the COUNT ENTER key to confirm ...

Page 9: ... key to confirm the balance returns to weighing mode 11 Checking the highest and the lowest weight limits 1 Press MENU key the display reads PrINT press TARE key repeatedly until it reads InSPCT 2 Press COUNT ENTER key the display reads SET HI 3 Press COUNT ENTER the displays reads the highest weight limit 4 PressTARE key the display returns to reads SET HI 5 Press TARE key the display reads SET L...

Page 10: ...ess Tare key it reads the other check types Odd indicates odd check and EvEn indicates even check 7 Choose the proper check type and press Count Enter to confirm the balance now returns to weighing mode Enabling Units of Measure The units function can be programmed to turn certain weighing units on or off To enable or disable certain units of measure perform the following procedure 1 Press Menu ke...

Page 11: ...efault setup is finished Backlight Setup Follow the procedures below 1 Press Menu key the display reads PrInT 2 Press Tare key repeatedly until it reads bLgHT press Count Enter to confirm the display reads 1 nIn which indicates the backlight will be off in 1 minute 3 Press Tare key repeatedly to choose the desired time 1 2 3 5 10 15 30 60 minutes are available to choose from 4 Press Count Enter ke...

Page 12: ...r example If necessary set a safety guard to avoid air current Density Measurement Purpose This function is used to test the density of solid object with bottom weighing and buoyancy theory Application of Formula Sample Density Liquid Density Mass in Air Mass in Air Mass in Water As the liquid density varies with different temperatures please measure the liquid temperature with the temperature met...

Page 13: ...2 interface The following commands are available U Unit units conversion T Tare deduct the tare weight C Cal calibration with external standard weight P Print print function percent function instant print M Count counting function When a balance is connected to a computer it is suggested that immediate print be used In response to this command the balance will transmit whatever number or message a...

Page 14: ...rresponds to the OK indicator on the display S means the reading is stable space means the reading is not stable L retur n char acter M line feeds character it indicates the line feeds RS232 port Parameters Data format 10 bit data frame bit1 bit2 bit 10 bit1 start bit bit 2 9 data bits bit 10 stop bit Baud rate 9600 bps All data in ASCII code Physical pinout Pin 2 TXD Transmit Pin 3 RXD Receive PI...

Page 15: ... calibration procedure has been performed correctly It won t hurt to run through the calibration process again when in doubt Q The scale does not turn on A Make sure the power cord is plugged in and that there is power One easy way to test this is by connecting another appliance to the same outlet and see if it s operational Technical Support Please email support optimascale com if you have any fu...

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