23b. [CE]
24. [TIME/DATE] Time and Date Display Key
25. [0]-[9], [00] & [] Numeric Keys
26. [−]
27. [+]
28a. [IIT]
28b. [N]
29. [# / S]
# :
S :
30. [T]
Clear Entry
Model 1560-6 & 1530-6
Clears a live entry.
Used to display or program the date and time. Depressing this key
once will cause the date to display, a second depression will display
the time. Holding the key down for three seconds will cause the date or
time to flash, this is the program mode.
The calculator uses the conventional 10-key indexing keyboard, and
includes the double zero key and decimal point key. Whole numbers
are entered exactly as they are written.
Minus Key
Subtracts an amount from the accumulator. To subtract the same
amount more than one time (repeat subtraction), enter that amount
once and depress the Minus key as many times as necessary. If this
key is depressed immediately after [%] key, it works as percent minus
key.
Plus Key
Adds an amount to the accumulator. To add the same amount more
than one time (repeat addition), enter that amount once and depress
the Plus key as many times as necessary. If this key is depressed
immediately after [%] key, it works as percent plus key.
Memory II Selector Key
Model 1570-6
Calculation on memory II by press Memory II key follow by plus,
minus, subtotal or total key.
Item Count Key
Model 1560-6 & 1530-6
Calculations with item count and/or averaging. Also used to set the N
count to Gross or Net.
Date / Subtotal Key
It will print live entry as an identifier as an invoice number with "#"
mark.
It prints but does not clear the accumulator.
Total Key
Prints and clears the accumulator. When this key is pressed with the
"GT" switch is on, the result is accumulated automatically in the
memory register.
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