Calculator (M82); Clock Alarm (M83) - NEC e540 User Manual

Nec e540: user guide
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Calculator (M82)

You can perform addition, subtraction, multiplication and division with the calculator. It also has a memory function.
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The calculator can display a result of up to 9 digits. If a calculation results in a number exceeding the maximum, the screen displays error in the
calculation field.
Calculator Key Assignment
For calculator function, the keys are assigned different functions. The following shows the key assignment:
Key
Addition (+)
Multiplication (× )
Equals to (=)
SK1
Memory Recall/Memory Cancel (Press twice)
Inversion (±)
Decimal Point (.)
Using the % function, you can calculate (100 + x) % of a figure (e.g. 200 + 5% = 210) and (100 - x) % of a figure (e.g. 200 - 5% = 190).

Clock alarm (M83)

This feature enables you to switch the clock alarm function on/off and to set the time, repetition and alarm tone.
Turning the alarm on/off
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Clock alarm setting
On/Off
Turns on or off the alarm.
Set time
Sets the time and am/pm (for 12 hour format) at which the alarm will sound.
Set alarm tone
Sets the melody to be played when the alarm occurs. See "Sounds (M62)" on page 59.
Alarm repeat
Selects alarm repeat for once, daily or day of the week.
Enter alarm text
Sets the message (e.g. Wake up!) which is displayed when the alarm occurs (optional).
Accessory (M8)
68
Operation
You can select more than one day of the week at the same time.
You can remove the check by highlighting and pressing
Key
Subtraction (–)
Division (÷)
SK2
Memory Store/Memory Addition
Percent (%)
Exit calculator
CLR
Delete digit (if held, all clear)
again.
Operation

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This manual is also suitable for:

E540i

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