UME BM-30 Operation Manual page 4

Press this key to recall the accumulated weight
value in memory.
5. TARE KEY
Press this key to tare off the weight of a
container and get the net weighing result.
6. ZERO KEY
Press this key to reset weight displayed to
zero when unloaded.
7. MC KEY
Press the MR and TARE key simultaneously to
clear all data in memory.
8. ZERO INDICATOR
An arrow will appear and point at this sign
to indicate a zero weight status.
9. TARE INDICATOR
An arrow will appear and point at this sign
when the tare function is being employed.
10. M+ INDICATOR
An arrow will appear and point at this sign
when the memory contains data.
11. WEIGHT UNIT INDICATOR
"kg"indicatesthemetricunitisbeingemployed.
"lb" indicates the avoirdupois unit is being
employed.
12. LO-BAT INDICATOR
When this indicator appears, recharge the scale
immediately. Failure to do so may cause
unrecoverable damages to the rechargeable
battery inside.
13. IN-CHARGE INDICATOR
Red color: Recharging battery
Green color: Charging completed