Monroe 7150 User Manual download pdf (Page 4)

the GT Accumulator. A second depression of

the Subtotal or Total key will give the grand

subtotal or grand total respectively of all

previously accumulated entries.

In the  position a running subtotal will be

kept in the display. The Subtotal and Total

keys operate as described with the GT Switch

in the GT position.

16. Non-Add/Date Key. This key serves

three functions. First, it will print a live entry as

an identifier (such as an invoice number) or a

date. Second, it will store a live entry so that it

may be recalled for later use as an identifier or

constant. Third, when the D PD N selector

switch is in the D (display only position) press

#/Date to override the display only setting to

print an intermediate sequential calculation

result.

To print and store a date (e.g., 7/1/01), enter

the month and depress the Decimal Point key,

the date and Decimal Point, and the year and

depress the Non-Add/Date key. To recall the

contents of the Non-Add Register, depress the

Non-Add/Date key.

17. Grand Total Lamp. When illuminated,

indicates that an amount is being retained in

the Grand Total Accumulator.

18. Accumulator Lamp. When illuminated,

indicates that an amount is being retained in

the Accumulator.

19. Memory One Plus Key. Adds an amount

to Memory. If there is a live calculation

pending, the Memory Plus key will complete

the calculation and accumulate the result to

Memory.

20. Memory One Minus Key. Subtracts an

amount from Memory. If there is a live

calculation pending, the Memory Minus key will

complete the calculation and subtract the

amount from Memory.

21. Memory One Subtotal Key. Prints but

does not clear the Memory.

22. Memory One Total Key. Prints and

clears the Memory.

23. Memory Two Plus Key. (7140/50) Adds

entries directly into Memory. This key will also

complete pending calculations and accumulate

the results to Memory.

24. Memory Two Minus Key. (7140/50)

Subtracts entries directly from Memory. This

key will also complete pending calculations and

subtract the results from Memory.

25. Memory Two Subtotal Key. (7140/50)

Prints but does not clear Memory.

26. Memory Two Total Key. (7140/50)

Prints and clears the Memory.

27. Set Up Key. This unique key enables the

operator to select internal functions. To turn a

function on, the operator presses the Set Up

key followed by a numeric code entry at which

point the code number will print in black. To

turn a function off, the operator presses the

Set Up key followed again by the numeric code

at which point the code number will print in

red.

Set Up Key Codes

0: Sets calculator to Price/Price mode

when decimal selector at +.

00: Sets calculator to Units/Units mode

when decimal selector at +.

1: ΣX, Summation of first factors in

Memory One.

2: ΣT, Summation of Equals and Percent

results into the accumulator.

3: Running subtotal of the accumulator on

printer.

4: Two-column Addition.

5: Set rounding to TRUNCATE.

6: Set rounding to ROUND UP.

7: Set IDENTIFIER to print for each entry.

8: ΣM, Summation of Equals and Percent

results into Memory One.

9: Recall Set Up Codes.

C/CE: Clear all Set Up Codes

+: Definable Add Mode

-: Nickel Rounding

c: Paper Saver Mode

If both Set Up Code 0 and Set Up Code 00 are

ON, the calculator will be set to Price/Units

mode when decimal selector is at +.

28. Percent Change/Gross Margin Key.

Automatically compares any two amounts,

prints the actual numerical difference between

them, then calculates and prints the percent

change or the gross margin percentage.

29. Tax. This key serves two functions. First,

it stores a live entry as the tax rate. Second, it

will automatically compute the amount of tax

and amount of increase if pressed when no live

entry exists. For computation of decrease and

net, press following depression of the ÷ key.

30. Markup. From a known cost of goods and

desired gross margin, this key automatically

calculates and prints the amount of Markup

and the selling price.

31. Backspace Key. Deletes right most

character of a live entry, moving the remaining

display value one character to the right.

32. Paper Advance.

On-Off Switch. Located on the side of the

calculator.

Decimal System. With the 7130/40 entries

may contain any combination of whole and

decimal digits, up to a maximum of 12 digits.

However, internally there is a 24-digit

calculating capability. With the 7150, the

maximums are 14 and 28 respectively. The

decimal setting may be changed between

calculations without affecting the accuracy of a

number entered or accumulated.

Add Mode. Set the Decimal Selector at Add

Mode (+) and the last two digits in any entry

followed by depression of the Plus, Minus,

Memory Plus or Memory Minus key will

automatically be accepted as decimals.

Exception: if an actual decimal entry is made,

the calculator will accept and print it,

overriding the Add Mode (+) setting for that

entry.

Units/Price Mode. Designed for convenience

when calculating extensions. With the decimal

selector at Add Mode (+), all numbers entered

followed by depression of the Times key will be

accepted as whole numbers (units) unless an

actual decimal entry is made. The last number

entered followed by depression of the Equals,

Equals Plus or Equals Minus key will

automatically be accepted as having two

decimal places (dollars and cents). Memory

Plus/Memory Minus will function in the same

manner when completing calculations.

Automatic Punctuation. On the tape and

display a comma automatically punctuates

every third whole digit to the left of the

decimal point.

Extended Capacity. If a result exceeds the

12-digit output capacity but does not exceed

the 24-digit calculating capacity, (14 and 28

respectively on the 7150) then the result will

be printed and displayed in scientific notation.

For example: if a calculation result was

“222,333,444,555,000.” it would be expressed

in scientific notation as “2.22333444555 x

.” The printer would print the amount as

“2.2233344455514,” which indicates that to

write the extended capacity amount in

standard format, the decimal point must be

moved 14 digits to the right.

NOTE: On the 7130/40, the printer will show

12 significant digits and the exponent, while

the display will show 9. On the 7150 it will be

14 and 11 respectively.

Overflow. When a live entry contains more

than 12 digits (display and print capacity) or a

calculation result contains more than 24 digits

(calculating capacity), (14 digits and 28 digits

on the 7150) a series of red commas will print

indicating an overflow condition. The display

will show a “0”. The entry and/or result is

automatically cleared and the calculator is

ready for further calculations. Constants and N

Counts are not affected by this overflow

condition.

Underflow. In a result or total containing a

combination of whole and decimal digits, the

decimal point will shift right, regardless of

decimal setting in order to show the 12 most

significant digits (14 on the 7150). In results

containing more than 12 whole digits (14 on

the 7150) the calculator will go into extended

capacity.

Reverse Underflow. When a result should

normally be 0, based on the current decimal

setting, the calculator will float the result

showing as many digits as possible. For

example, the problem 2 divided by 625, with

the Decimal Selector set at (2), would yield a

result 0.00 without Reverse Underflow. With

this feature, however, a significant result of

0.0032 is given.

Automatic Calculation Mode Correction. If

you accidentally depress the Times key instead

of the Divide key (or vice-versa), it is not

necessary to clear the calculator. Merely

depress the correct function key (in this case,

the Divide key) and proceed with the

calculation.

Two Key Rollover. Allows an operator to

depress a numeric or function key while the

previous key is depressed or being released.

Clear Accumulator Indicator. If the

Accumulator contains the value zero, a unique

symbol (*) prints with the first entry into

Accumulator.

Square Root. The key sequence Divide,

Equals will automatically calculate the square

root of any positive entry, result or total.

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Monroe 7150 User Manual Page 4

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