Cobra Electronics MT 550 Two-Way Radio User Manual


 
Scrolling Through the Mode Functions
By scrolling through the Mode Functions, you will be able to select or change preferred features of your microTALK
®
radio. While you are scrolling
through the Mode Functions, your radio features will be displayed in the same predetermined order:
Set CTCSS Privacy Codes
Set VOX On/Off
Set VOX Sensitivity Level
Set Channel Scan
Set CTCSS Privacy Code Scan
Set “Roger Beep” On/Off
CTCSS Privacy Codes
CTCSS (Continuous Tone Coded Squelch System) is an advanced tone coding system allowing you to select one of
38 privacy codes to reduce incoming transmissions from other users on the channel.
NOTE: If you are using a privacy code, both radios must be tuned to the same channel and privacy code to communicate.
Each channel will remember the last privacy code you selected.
To Select a Privacy Code:
1. After selecting a channel, press and release the MODE button until the small numbers next to the
channel number flash on the display.
2. Press the CHANNEL UP or CHANNEL DOWN button to select a privacy code. You can press and hold
the CHANNEL UP or CHANNEL DOWN button for fast advance through CTCSS privacy code numbers.
3. When your desired privacy code is displayed, choose one of the following:
a. Press the MODE button to enter the new setting and proceed to other functions.
b. Press the LOCK button to enter the new setting and return to LISTENING MODE.
c. Do not press any buttons for fifteen (15) seconds to enter the new setting and return to LISTENING MODE.
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.
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.
2. Press the CHANNEL UP or CHANNEL DOWN button to turn VOX On or Off.
3. When your desired VOX Mode setting is displayed, choose one of the following:
a. Press the MODE button to enter the new setting and proceed to other functions.
b. Press the LOCK button to enter the new setting and return to LISTENING MODE.
c. Do not press any buttons for fifteen (15) seconds to enter the new setting and return to LISTENING MODE.
English
MODE FUNCTIONS OPERATION
c
an
Rog
werSaver
38 Privacy Codes
Mode Button
Channel Buttons
Rog
Scan
Select Privacy Code
Channel Buttons
Vox
Scan
Rog
Power Saver
Select VOXMode Button