For long-term reliability, the manual dedicates a chapter to cleaning and recalibration. It advises against using harsh chemicals or submerging the scale; instead, a damp cloth with mild soap is recommended. More critically, it details the calibration routine—a sequence of key presses (often a hidden service mode) that allows you to recalibrate using known standard weights (e.g., 1,000g and 5,000g). The manual emphasizes that legal-for-trade applications require periodic calibration, and it lists signs that calibration is needed (e.g., inconsistency across the platter’s corners).

Press the [UNIT] key repeatedly to cycle through:

Note: Changing units does not affect tare or stored memory values, but any checkweighing limits must be re-entered.


The Digi SM 5000 includes an RS-232C serial port (usually 9-pin D-sub) for connecting to:

Default serial settings:

To send a print command:

Troubleshooting: If no print occurs, check cable wiring (pin 2 = TX, pin 3 = RX, pin 5 = GND). Some scales require a handshake line (pin 7/8 jumpered).


| Key | Function | |------|-----------| | ZERO | Reset weight to zero (up to ±2% of capacity). | | TARE | Subtract container weight. | | CLEAR | Cancel last entry. | | HOLD | Freeze display for reading. | | FUNC | Access second-layer functions (set date, recall totals). |


Whether you are running a bustling deli, a busy bakery, or a retail checkout counter, the Digi SM 5000 is a workhorse. Known for its durability and reliable label printing, this scale has been a staple in the retail industry for years.

However, if you’ve just acquired a used model or your original manual has gone missing, navigating the programming modes can be tricky without a guide.

[📥 Click Here to Download the Digi SM 5000 User Manual]

(Note: If the link isn't working, try the alternative sources listed at the bottom of this post.)