OPERATING INSTRUCTIONS
Auto-Off Function
As an energy saving feature, the scale will automatically turn off after 2 minutes of inactivity. By
default, this function is enabled. Note: The Auto-off function is only active when the scale is
being powered by batteries. Note: The scale will not power off if a weight is held on the display.
Disable Auto-Off
1. While the scale is turned off, press and hold the HOLD/RELEASE button.
2. While holding the HOLD/RELEASE button, press the ON/OFF button to turn the scale on.
3. Release both keys and "AOF=0" will be displayed.
4. Auto-off is now disabled and the scale will remain on until the scale is manually turned off.
Enable Auto-Off
1. While the scale is turned off, press and hold the HOLD/RELEASE button.
2. While holding the HOLD/RELEASE button, press the ON/OFF button to turn the scale on.
3. "START" will briefly appear on the display followed by "AOF=1".
4. Auto-off is now enabled.
Selecting the Weight Measuring Unit (522KL Only):
Note: LB (Pounds) is the default weight measuring unit upon initial set-up/assembly.
1. Press the ON/OFF button to turn the scale on.
2. Wait for "0.0" LB or "0.0" KG to appear on the display.
3. Press the LB/KG button to choose between LB or KG.
Note: The scale will always default to the unit last used even after it has been powered off and
back on again. To lock the scale in a weight measuring unit follow the instructions below.
Locking the Weight Measuring Unit (522KL Only)
The weight measuring unit can be locked to only measure in KG or LB. Follow the procedures
below to lock the weight measuring unit.
KG Lock Instructions (522KL Only)
1. Press the ON/OFF button to turn the scale on. Wait for "0.0" to appear on the display.
2. Press and hold the LB/KG button so that KG icon is displayed and continue holding the
LB/KG button for approximately 10 seconds.
3. When the KG icon flashes, release the LB/KG button. The KG weight measuring unit is now
locked and will remain locked even if the scale is turned off.
LB Lock Instructions (522KL Only)
Note: To lock in LB weight mode, you must follow the instructions above to lock in KG weight
mode first.
1. Once the scale is locked in KG mode, press and hold the LB/KG button for approximately
10 seconds until the LB icon flashes.
2. When the LB icon flashes, release the LB/KG button. The LB weight measuring unit is now
locked and will remain locked even if the scale is turned off.
Unlocking the Weight Measuring Unit (522KL Only)
Note: If your scale is locked in KG mode, you must first follow the instructions above to lock into
LB mode, and then begin the disabling instructions below.
1. Press the ON/OFF button to turn the scale on. Wait for "0.0" to appear on the display.
2. Press and hold the LB/KG button until LB and KG icons both flash. When LB and KG are
flashing, release the LB/KG button. The weight measuring unit is now unlocked; pressing
the LB/KG button will allow user to toggle between LB and KG.
P/N UM522KL_522KG Rev20190412_web
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