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8525-0358-0M Rev-A 

 DR550C Operation 

KEY FUNCTIONS 

ON / OFF 

1. 

Press and release to turn on scale. 

2. 

Press and release to turn the scale off. 

 

NET / GROSS 

1. 

Toggle between Gross and Net. 

 

UNIT 

1. 

Press to change the weighing units to the alternate units of measurement (if selected 
during configuration of the scale). 

2. 

In the Configuration mode, press to confirm the setting for each menu. 

 

TARE 

1. 

Press to reset the display to zero up to 100% of the scale capacity. 

2. 

Press and hold for 6 seconds to enter Configuration mode. 

3. 

In the Configuration mode, press to select menu. 

 
 

OPERATION 

 

 

DO NOT operate the keypad with pointed objects (pencils, pens, etc). 

Damage to keypad resulting from this practice is NOT covered under warranty. 

 

 

Turn the Scale On  

Press the 

ON / OFF 

key to turn the scale on.  The scale will display  

8888

  then change to 

the selected weighing units. 

 

Select the Weighing Unit 

Press the 

UNIT 

key to alternate between the selected weighing units. 

 

Weighing an Item 

Place the item to be weighed on the scale platform.  Wait a moment for the scale display to 
stabilize, then read the weight. 

 

To Re-Zero the Weight Display 

To re-ZERO (tare) the weight display, press the 

TARE 

key and continue.  The scale will re-

ZERO (tare) until the full capacity is reached. 

 

Net / Gross Weighing 

This is useful when weighing in merchandise to be weighed in a container.  To control the 
total weight, the value of the container may be retrieved.  This way it is possible to control 
to what extent the loading area of the scale is utilized.  (Gross, i.e. incl. weight of 
container). 

 

Turn the Scale Off 

With the scale turned on, press the 

ON / OFF 

key to turn the scale off. 

Summary of Contents for DR550C

Page 1: ...ion 1 MODEL DR550C DIGITAL SCALE Operation Manual CARDINAL SCALE MFG CO 8525 0358 0M Rev A 203 E Daugherty Webb City MO 64870 USA 02 15 Ph 417 673 4631 Fax 417 673 2153 www detecto com Technical Support Ph 866 254 8261 tech cardet com ...

Page 2: ...omputing device pursuant to Subpart J of Part 15 of FCC rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area may cause interference in which case the user will be responsible to take whatever measures necessary to correct the interference You may find the booklet How to Identi...

Page 3: ...vision 550lb x 0 2lb 250kg x 0 1kg Keys ON OFF NET GROSS UNIT TARE Features Low battery indicator Power saving selectable timing auto shut off CARE AND MAINTENANCE The heart of the DR550C Digital Scale is 4 precision load cells located in the four corners of the scale base It will provide accurate operation indefinitely if protected against overload of scale capacity dropping items on scale or oth...

Page 4: ...wer supply cable into the power jack on the back of the scale and then plug power supply into the proper electrical outlet The scale is now ready for operation Battery The scale can use 6 AA 1 5V alkaline batteries not included If you wish to operate the scale from batteries you must first obtain and install the batteries The batteries are contained in a cavity inside the scale Access is via a rem...

Page 5: ... minus weight is displayed lb Red LED at the right of lb will be turned on to indicate the displayed weight is in pounds kg Red LED at the right of kg will be turned on to indicate the displayed weight is in kilograms Lo Low Battery When the batteries are near the point they need to be replaced a low battery indicator on the display will turn on If the voltage drops too low for accurate weighing t...

Page 6: ...anty Turn the Scale On Press the ON OFF key to turn the scale on The scale will display 8888 then change to the selected weighing units Select the Weighing Unit Press the UNIT key to alternate between the selected weighing units Weighing an Item Place the item to be weighed on the scale platform Wait a moment for the scale display to stabilize then read the weight To Re Zero the Weight Display To ...

Page 7: ...With the display showing Unit press the TARE key 2 The display will change to show AOFF 3 Press the UNIT key to begin selection of the automatic shut off time in seconds 4 The display will change to show 120 5 Press the TARE key to toggle through the selections 120 180 240 300 or OFF 6 When the desired time is displayed press the UNIT key 7 The display will change to show AOFF 8 Proceed to Saving ...

Page 8: ...8525 0358 0M Rev A DR550C Operation 6 ...

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