Fidelity Electronics FM180S - Memory Accumulation Function; To Accumulate a Transaction to Memory; Memory Recall and Clearance

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6.5 Memory Accumulation Function
6.5.1 To Accumulate a Transaction to Memory
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a. Press [M+]
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to save and accumulate data of current transaction to
memory,
b. This instrument displays “≡ n”. M+ Indicator appears to indicate that
memory contains stored data. “≡ n”” means the total number of
transactions accumulated to memory,
c. This instrument returns to normal display status after 2 seconds,
d. Repeat a to c for subsequent transactions
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,
Note: -
1. Unstable weight will not be accumulated. If M+ is pressed when
weight reading is not unstable, this instrument will reject this
command and response with 3 beeps.
6.5.2 Memory Recall and Clearance
a. Press [MR] to recall total accumulated weight from memory,
After [MR] is pressed, Mr Indicator appears to indicate the total
accumulated weight value is displayed. At the same time, instrument
displays “≡ n” (n means the number of transactions accumulated) follow
by the total accumulated weight stored in memory,
b. At this point: -
 Press [Zero] to quit, or
 Press [MR] again to clear memory then press [Zero] to quit to
operation mode. After that, both MR and M+ Indicator disappear to
indicate no data is stored in memory.
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Memory Accumulation Function support weighing function only.
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Weight less than 20d (or 20d
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for dual range) will not be accumulated to memory.
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All data stored will be erased when this instrument is powered off.
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or press [PRINT] if F17 is = ON
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Weight must return to or below zero to enable another weight accumulation.