ZIP4x5 User’s Guide
14 Manual Part # 90-18401
Encryption
View system encryption settings by selecting Menu | Protected Settings
| Audio | Encryption. If always on or never on is selected, pressing the
Encrypt button will have no effect on your conversation. If this
parameter is set to normally on or normally off, the status of the Encrypt
button overrides the system setting.
Press the Encrypt button to enable Encryption from your ZIP4x5. The
Encrypt LED is continuously green when Encryption is enabled. To
disable encryption, press the Encrypt button again.
Calculator
Press the Calc button to enter calculator mode. The phone displays the
word Calculator on the top row and lights the calculator button LED
continuous green. Press the Calc button again to exit calculator mode.
The following keypad buttons support calculator operations:
• The number keys enter digits into the calculator.
• The * key enters a decimal point.
• The Redial, Conf, Trans, and Hold buttons specify addition,
subtraction, multiplication, and division operations.
• The speaker key performs the specified operation.
• The # key clears the current entry.
• The Func key clears all numbers and arithmetic operations.
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