Cobra Electronics LI 3900DX Set DCS Privacy Codes, To select a DCS privacy code, Standby mode

Mode Functions

Operation

Set DCS Privacy Codes

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Mode Button	To select a DCS privacy code:
	1. After selecting a channel, press the Mode
	button until the DCS icon appears and the
	small numbers flash on the display
	(01 through 83).
DCS Privacy Code
	NOTE
	If CTCSS is turned on at the channel
	selected, the display will flash the

Introduction Operation Customer Assistance Warranty

Voice Activated Transmit (VOX)

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In VOX mode, your microTALK® radio can be used “hands-free,” automatically transmitting when you speak. You can set the VOX sensitivity level to fit the volume of your voice and avoid transmissions triggered by background noise.

Mode Button	To turn VOX mode on or off:
	1. Press the Mode button until the VOX icon
	flashes on the display. The current on or
	off setting is displayed.

Channel Buttons	DCS icon and “OFF.” To switch from
	CTCSS to DCS, press the Channel Up
	or Channel Down button while the
	display is flashing “OFF.” The display
	will then show the small numbers
	flashing and you will then be able
	to proceed to step 2.
	2. Press using the Channel Up or Channel Down
	button to select a DCS privacy code. You can
	hold the Up or Down button for fast advance.
	3. When your desired DCS privacy code is
	displayed, choose one of the following:
	a. Press the Mode button to enter the new

VOX Icon

Channel Buttons

Mode Button

2.Press the Channel Up or Channel Down button to turn VOX on or off.

3.Choose one of the following:

a.Press the Mode button to enter the selected on or off setting and proceed to other functions.

b.Press the Lock/Enter button to enter the selected on or off setting and return to Standby mode.

To set VOX sensitivity:

1.Press the Mode button until the VOX icon flashes and the current sensitivity level is displayed.

setting and proceed to other functions.

b. Press the Lock/Enter button to enter the

new setting and return to Standby mode.

c. Do not press any buttons for 15 seconds

to enter the new setting and return to

Standby mode.

VOX Sensitivity Level

Channel Buttons

The current sensitivity level is displayed with letters “LE” and a Number 01 through 03, with Number 03 being the most sensitive level and Number 01 being the least sensitive level.

2.Press the Channel Up or Channel Down button to change the setting.

3.Choose one of the following:

a.Press the Mode button to enter the selected setting and proceed to other functions.

b.Press the Lock/Enter button to enter the selected setting and return to Standby mode.

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