Siemens Milltronics BW500 Operating Lnstructions page 76

The totalizers are reset through the master reset (P999), the totalizer reset (P648), or
through the keypad.
• master reset: the reset of all totalizer functions is included in the master reset.
• totalizer reset: totalizer reset can be used to reset internal totalizers 1 and 2, or
• keypad:
Placing the internal totalizers on to the display scroll of the RUN mode is controlled by the
totalizer display parameter (P647); displaying either one or both totalizers.
Page 70 Milltronics BW500 and BW500/L - OPERATING INSTRUCTIONS 7ML19985DK05
totalizer 2 independently. Resetting the internal totalizers 1 and 2
resets the internal registers for external totalizers 1 and 2.
pressing while in the RUN mode resets internal totalizer 1