Standby/Receive And Transmit - Cobra Marine MR HH350 FLT Owner's Manual

Vhf marine radio
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Main Icons
Standby/Receive
and Transmit
Operating Your Radio
VHF Marine Radio Protocols
Main Icons
Intro
Operation
Customer
Assistance
To Set WX Auto Search (SCAN) On or Off:
WX Auto Search (SCAN)
WX auto search setup is only shown if WX Alert is set to ON.
1. Display will show Weather icon and the matrix will display
Intro
Operation
WX SCAN with ON or OFF flashing.
Customer
Installation
Assistance
2. Press Channel Up/Down button to select ON or OFF.
Secondary Icons
3. Press the Call/Enter/Setup button to save entry.
You have now ended the WX Setup programming mode and
Installation
will enter the WX Alert Standby mode.
Secondary Icons
Notice
Caution
NOTE
When WX Auto Search (SCAN) is set to On, weather
channel scanning will start automatically and scan all
Notice
available weather channels until the strongest channel
is found. This will happen under the following conditions:
Main Icons

Standby/Receive and Transmit

Marine Standby and Receive (Rx) Mode
Intro
Operation
Customer
Warranty
Marine Standby mode is the default mode for the radio whenever it is turned on. From
Assistance
this mode, you can change current settings by becoming familiar with the different key
functions in Marine Standby mode. While in Marine Standby mode, the user will be able
to transmit by pressing the Push to Talk (Talk) button. Signals in Receive (Rx) mode
Customer
Installation
Assistance
will be received on the selected channel(s), and alerts broadcast by NOAA will activate the
corresponding NOAA weather alert channels in your radio.
Secondary Icons
NOTE
Coast Guard alerts are broadcast on Channel 16. You must have the WX Alert turned
Notice
On to receive NOAA weather alerts. While in Marine Standby mode, you will receive
Caution
Warning
any messages sent on the channel to which you are tuned.
22 English
MRHH350WFLT_ENG_MANL_102617.indd 22-23
MRHH350WFLT_ENG_MANL_102617.indd 22-23
Warranty
Customer
Warranty
Assistance
Customer
Assistance
Warning
Caution
Warning
WX Alert is engaged.
n
WX received signal level falls below
n
a preset squelch and
– radio is in WX Standby OR
– radio is in VHF Standby and there is no
channel activity.
Main Icons
A
VHF Marine Radio Protocols
Operating Your Radio
Intro
Operation
Check Channel Number
B
Installation
Secondary Icons
X
LOMEDHI
X
LOMEDHI
Low Power Mode
Notice
Talk Button
Standby/Receive
A
and Transmit
Customer
Warranty
Transmit (Tx) Mode
Assistance
Transmit (Tx) mode gives you the ability to interact with safety
services, other vessels and shore stations. When you use this
B
U
I
capability, be sure to follow the procedures and to observe
U
I
Customer
Assistance
the courtesies that govern its use so everyone benefits. See
Appendix to help you select the proper channels.
To Transmit a Message:
S
1. Check to see that your radio is set to a proper channel for the
type of message you plan to send.
S
Caution
Warning
2. Toggle to the Low Power setting.
3. With the microphone about 2 in. [51 mm] from your
mouth, press and hold the Talk button and speak into the
microphone. The Transmit icon will appear on the LCD.
4. Release the Talk button when you are finished speaking. Your
radio can only operate in either Transmit (Tx) or Receive (Rx)
mode at any given time. You will not hear the response to your
message unless the Talk button is released. Battery Power
icon is frozen for TX at whatever level it was during receive.
Nothing Comes Close to a Cobra
23
®
2/10/21 1:57 PM
2/10/21 1:57 PM

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Questions and answers

mike morris
April 12, 2025

No sound or back light never worked transmitting ok had the radio awhile but would like to us it properly

1 comments:
Mr. Anderson
April 12, 2025

To fix the no sound and no backlight issue on your Cobra Marine MR HH350 FLT radio, try the following steps:

1. Check Battery: Ensure you are using the Cobra-provided drop-in charger and the rechargeable LiON battery pack. Do not use alkaline batteries in the charger. Replace fully discharged alkaline batteries with fresh ones if used.

2. Power On: Turn the radio on and check if a tone (beep) sounds when pressing buttons. This confirms the radio is responding.

3. Key Tones and Backlight: If key tones are turned off, you may not hear a beep. Turn key tones on to confirm button presses. The backlight should turn on and stay lit for 10 seconds after a button press.

If the radio still has no sound or backlight after these steps, the unit may need service or replacement.

This answer is automatically generated

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