Voice Versus Noise Reference Microphone; Enable/Disable Encryption; Figure 4-7: Voice Microphone; Figure 4-8: Noise Reference Microphone - L3Harris XL Series Operator's Manual

14221-1850-2000, Rev. C
4.16.4

Voice Versus Noise Reference Microphone

The voice microphone is located on the top front face of the mic and the noise reference
microphone is on the lower rear side. Do not obstruct either element during radio transmissions.

Figure 4-7: Voice Microphone

4.17 ENABLE/DISABLE ENCRYPTION

A button on the control head or KMM can be programmed to enable/disable encryption.
NOTE
Or
Turn encryption on or off via the Security Menu:
1. Press the Menu button.
2. Navigate to the SECURITY menu.
3. Scroll up or down to highlight ENCRYPTION. Toggle encryption enabled/disabled by pressing
the Group/Channel Select Knob. This option is grayed out if Encryption Mode in the radio's
personality is programmed "Forced On."
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 5.19.3).
50
See Section 6.6 for the various options that can be programmed to the control
head buttons.

Figure 4-8: Noise Reference Microphone