Cobra Electronics MT 550 Two-Way Radio User Manual


 
To Set the VOX Sensitivity Level:
1. Press the MODE button until the VOX icon flashes and the current sensitivity
level is displayed.
The current sensitivity level is displayed with the letter “LE” and a number 1 to 3,
3 being the most sensitive level and 1 being the least sensitive level.
2. Press the CHANNEL UP or CHANNEL DOWN button to change the setting.
3. When your desired VOX sensitivity level 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.
Channel Scan
Your microTALK
®
radio can automatically scan channels (1 to 8).
NOTE: The radio ignores specific CTCSS privacy codes while scanning channels.
To Scan Channels:
1. Press the MODE button until the Scan icon and the channel number flash on the display.
2. Press the CHANNEL UP or CHANNEL DOWN button to begin scanning channels.
The Scan icon will continue to be displayed when channel scan is On. Your radio will continue to scan all channels
and stop if an incoming transmission is detected. Your radio will remain on that channel for ten (10) seconds.
While setting channel scan, if you do not press any buttons for fifteen (15) seconds your radio will automatically
return to LISTENING MODE on the channel or channel/privacy code displayed before you entered Mode Functions.
During An Incoming Transmission, You Can Choose From The Following:
a. Press and hold the TALK button to communicate on that channel. Your radio will remain on that channel and return to LISTENING MODE.
b. Press the CHANNEL UP or CHANNEL DOWN button to resume scanning channels.
If you press the TALK button while scanning and not within ten (10) seconds of receiving a transmission, you will transmit on the channel on
which you last received a transmission. This will return the radio to LISTENING MODE.
If you do not press any button within ten (10) seconds, your radio will automatically resume scanning channels.
During Scanning (while not receiving a transmission), You Can Choose From The Following:
a. Press and hold the TALK button to communicate on either the channel or channel/privacy code that was displayed before you entered Mode
Functions or the channel on which, during scanning, you last received a transmission. This will return the radio to LISTENING MODE.
b. Press the MODE button to proceed to set CTCSS privacy code on the channel that was either displayed before you entered Mode Functions or
on which, during scanning, you last received a transmission (see “CTCSS Privacy Code Scan” for further details).
c. Press the LOCK button to return to LISTENING MODE on either the channel or channel/privacy code that was displayed before you entered
Mode Functions or the channel on which, during scanning, you last transmitted or received.
English
MODE FUNCTIONS OPERATION
Mode Button
Channel Buttons
V
ox
Scan
Rog
PowerSaver
Select Scan Channels
Channel Buttons
Scan
Rog
Power Saver
Vox
Select VOX
Sensitivity Level
Mode Button