Icom IC-F5400DP Series Operating Manual page 70

6
MENU SCREEN
Functions
RX Speaker (For the Mobile types)
Turns the RX speaker function ON or OFF�
When this function is ON, the received audio can be
heard through an external speaker that is connected
to the D-Sub 25 pin connector�
NOTE:
• This function is usable when an external speaker is
connected to the D-Sub 25 pin connector�
• This function is useful when a user is out of the
vehicle�
• The audio output level is linked to the transceiver's
volume control�
Surveillance
Turns the Surveillance function ON or OFF�
When this function is ON, beeps are not heard and
the backlight and the Status indicator do not light,
even when a signal is received, or a key is pushed�
USB Mode Select
Selects the USB port mode�
• Data Transfer: Used for setting up the transceiver,
updating the firmware, or using the
PC control command�
• Card Reader: Reads the inserted card contents�
VOX
Turns the VOX function ON or OFF�
When this function is ON, the receive and transmit are
automatically switched by detecting the user's voice�
NOTE: To use the function, a headset* and a VOX
converter cable are required (user supplied)�
*Bluetooth headset is also usable�
VOX Delay
Sets the VOX Delay�
The VOX Delay is the period of time the transceiver
continues transmitting after the user stops speaking,
and then the VOX switches to receive�
• Range: 0�5 ~ 3�0 seconds
NOTE: If you set the time too short, a pause in
a conversation may be regarded as the end of
conversation, and the transceiver will start receiving,
even as the conversation continues�
VOX Gain
Sets the VOX gain�
The VOX function automatically switches between
receive and transmit by detecting the user's voice�
• Range: 1 ~ 10
L Higher values make the VOX function more sensitive to
sounds�
Zeroize
In the Digital mode
Disables the Encryption Key�
After Zeroizing, the Encryption function is disabled
until the transceiver is programmed again�
NOTE: When Zeroizing, both the Encryption Key in
the transceiver, and the registered Encryption Key in
the UT-134 are deleted�
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