: Detailed calibration-only instructions, including unlocking service mode and span calibration, are available at The Checkout Tech .
Most HL series indicators require pressing a physical switch (often labeled SW1 ) located on the bottom or side of the unit to enter "DIAG" (Diagnostic) mode. avery berkel hl122 manual pdf work
If you need the complete technical service manual, it is available for purchase or preview on specialist manual sites: Avery Berkel HL122 Manual PDF: A Comprehensive Guide
: If the display does not show zero when the plate is empty, press the [ZERO] key. The Ultimate Guide to the Avery Berkel HL122:
: Place an empty container on the scale and press the [TARE] key. The display will reset to zero, ignoring the container's weight. Price Computing : Place the item on the scale.