417
Other
Useful
Functions
<Reset Call Duration>
Resetting Call Duration/Call Charge
You can reset Last Call Duration and All Calls Duration to “0s”.
Call time/charge Reset call duration Enter the Terminal Security Code
Reset call duration YES
●
See page 140 for the Terminal Security Code.
●
To cancel, select “NO” and press
.
1
Resetting Call Duration
You can reset Last Call Charge and All Calls Charge to “
¥
0”.
Call time/charge Reset call duration Enter the Terminal Security Code
Reset call charge YES
●
See page 140 for the Terminal Security Code.
●
To cancel, select “NO” and press
.
1
Resetting Call Charge
■
Calculation example (Calculate “
−
15
+
20.7”.)
−
1
5
+
2
0
.
7
=
5.7
Enter the PIN2 code (four to eight digits)
●
If you enter the Terminal Security Code for the first time, enter “0000”.
●
The entered PIN2 code is displayed as “_”.
●
If you enter the wrong PIN2 code three times in succession, further entry will be locked. (“Reset” appears on the display to
notify you of possible entering frequency.) Enter the correct PIN2 code; “Reset” will return to three times. See page 143 for
how to release the PIN Lock.
●
See page 141 for PIN2 code.
2
You can display Calculator to perform the four rules of calculation (
+
,
−
,
×
,
÷
).
You can display up to 10 digits.
<Calculator>
Using Calculator
●
You cannot enter a minus sign while you are performing calculation. To perform calculation starting with the minus sign, press
to
enter “
−
” before entering numerals.
●
When the calculated result exceeds 10 digits or invalid calculation like “divided by 0” is performed, “.E” is displayed.
Information
C (Clear)
Clears the numeral you have entered immediately before if you enter a wrong numeral.
You can continue calculation entering numerals and the four rules of calculation.
AC (All clear)
Numerals and the four rules of calculation are all cleared.
Press “AC” (All clear) after clearing or clearing all to return to the display for selecting a
tool function.
Calculator
1
Follow the operation below to perform calculation.
2
+
−
×
÷
=
Decimal point
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