Nortel Networks 4027 Telephone User Manual


 
Accessories
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The following table shows the calculator icons available for your use.
5. Press the Right or Left key to choose the required
operation icon and press the Select soft key.
Attention: You can also press the # key to choose
the required operation and then press the OK key.
Press the * key to enter a period (if necessary).
6. Use the Dialpad to enter a value up to 9 numerals.
7. Press the Right or Left key to choose the equal
sign icon and press the Select soft key.
8. The handset shows the result of the calculation on
the display.
To perform calculations using the result, repeat
steps 5 to 7.
To perform a new calculation, repeat steps 4 to 7.
9. Press the Clr key one or more times to return to the
idle display.
Attention: Invalid calculations result in an error
message.
Table 13: Calculator icons
Symbol Description
Addition sign
Division sign
Select
Select