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

Models: LI 3900DX

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Mode Functions

Operation

Set DCS Privacy Codes

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)

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.

10 English

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Cobra Electronics LI 3900DX owner manual Set DCS Privacy Codes, To select a DCS privacy code, Voice Activated Transmit VOX