UWE APM - Keyboard Layout and Description

3. KEYBOARD LAYOUT AND DESCRIPTION
1. ON/OFF KEY
Press this key to turn indicator on or off.
2. MODE KEY
Press this key to shift among different weight units
and/or turn backlight on/off.
3. TARE KEY
Press this key to tare off the weight of a container.
4. ZERO KEY
Press this key to set weight displayed to zero.
5. M+ KEY
Press this key to accumulate current weight to memory.
6. MR KEY
Press this key to recall the total accumulated weight
from memory.