Convert Counts To Percent; Decrement Count; Lockout Feature; Non-Total Key - Modulus COMP-U-DIFF 10-329 Operating Manual

TO CONVERT COUNTS TO PERCENTAGE OF TOTAL
1. Press the [COUNT] key until the -%- is displayed.
2. Each channel is now calculated and displayed as percent of total; i.e., a two digit
number.
3. If the NRBC is designated for the non-total channel, the non-totalized value will
be normalized to the number of NRBCs per 100 WBCs.
TO SUBTRACT COUNTS (DECREMENT)
1. Press the [COUNT] key twice and hold down on the second press.
2. Press the cell category keys that you desire to subtract while holding down the
[COUNT] key. The screen will display –[DECR]- while in this mode.
3. Release the [COUNT] key to continue counting.

LOCKOUT FEATURE

1. At 100, 200, 300, etc. total cells counted. The keypad locks out any additional
entries.
2. To resume counting press the [COUNT] key and continue data entry.
NON-TOTAL KEY (OPTIONAL FEATURE)
1. Press the upper right hand counting key. The channel count increases by one but
the TOTAL does not. The NRBCs per 100 white cells displayed on the -%-
screen.
Note: This capability is factory preset. But maybe disabled by setting the appropriate
jumper plug.
CELL CATEGORY COUNTS EXCEEDING 99
A count exceeding 99 on any cell category will be indicated by an arrow to the left of the
pointing at the channel, which has overflowed. Each channel can tally up to 999 counts
in memory. However, only the two least significant digits are displayed due to
restrictions on screen spaces.
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