DIGIWEIGH DWP-98 - Manual (Page 6)

quantity check mode.
Press this key as next parameter when setting
7. PRINT KEY
Press this key to send print data to a printer.
Press this key as last parameter when setting
8. ZERO KEY
Press this key to set weight displayed to zero when an empty scale has
drifted away from a true zero reading.
9. CE KEY
Press this key to clear value entered.
10. NUMERIC KEYS
Numeric keys 0 ~ 9 and decimal key.
11. BATTERY POWER / LEVEL INDICATOR
This indicator appears to show:-
 The instrument is running on the built-in rechargeable battery,
 It shows the remaining battery level.
12. SPARE
No assignment.