models feature a two-button setup, though some variants may have three.
| Button | Symbol | Primary Function | |--------|--------|------------------| | ON/OFF | Power | Turns device on/off (press and hold) | | ZERO/TARE | →0← | Zeroes the scale or subtracts container weight | | MODE | M | Cycles between weighing units (g, kg, lb, oz) | | COUNT | PCS | Enters parts counting mode (if equipped) | | CAL | CAL | Enters calibration mode (press and hold) | | HOLD | H | Freezes the displayed value | Nako Na-617a User Manual
