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• If a channel is programmed to be encrypted, an optional key icon appears on the main display when
encryption is enabled. The system must also be programmed for encryption.
• When encryption is enabled and you use any channel not configured for encryption, the radio allows
PTT. The signal is transmitted unencrypted.
• Systems configured for Global Encryption (enabled in the Security menu) can display an optional
Global Encryption icon in addition to or instead of a key icon (Section 5.19.4).
4.17 CHANNEL GUARD (ANALOG CONVENTIONAL ONLY)
Channel Guard is Harris’s trademark for CTCSS (tone squelch) and CDCSS (digital tone squelch).
The Channel Guard menu is only accessible if the System is setup for CG SEL in the
radio’s personality.
To select the Channel Guard tone:
1. Press the Menu button.
2. Navigate to the CALL menu.
3. Scroll up or down to highlight CHANNEL GUARD and press the Group/Channel Select Knob.
4. Highlight RECEIVE GUARD or TRANSMIT GUARD and press the Group/Channel Select Knob.
5. Select the desired option from the list and select using the Group/Channel Select Knob.
The Channel Info screen and Channel Edit screen will change depending on this selection. See Sections
5.5 and 6.2 for more information.