Question about Cobra 148 GTL 120-Channels Base CB Radio

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Rx enhacement i am having trouble increasing the recieve strength of an incoming signal. the recieve on my radio has been turned down below factory standards and i was wondering if you could help me to turn it back up

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Ouch, that's a tough one. Well, you can actually turn the receive back up, but you might want to have an expert do that, it's been known to be a tedious process.

Posted on Jul 01, 2008

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Posted on Jan 02, 2017

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Ranger superstar 33 no recieve


If you're still getting loud squelch noise but do not receive on any channel, you must check the RF from the antenna to the audio stage(not included). There must be more than just one RF stage in this radio. Let me know what you find.

May 08, 2013 | Radio Communications

Tip

What to do if you cannot make call on your phone.


Before you even start trouble shooting ask yourself whether your phone may be barred from the network if it is stolen or the account holder did not pay their bill....If this is not the case then ensure that your phone is powered on. Hold the power button down for a full 3 seconds. (The power button is often located on the top of your phone. Please refer to your user guide for the location of the power button for your specific phone). Confirm that your service is active. If you are unsure, contact your service provider.
Check that you have sufficient network signal strength. When you are at the start screen or in a call, the strength of the radio signal is indicated by the signal indicators on the left side of your phone's display. These indicators move up as the strength of the signal increases and down as the signal decreases. To increase your phone's signal strength, try moving your phone slightly, or move towards a window if you're calling from inside a building.
If you are still unable to place a call, please contact your service provider. If they are unable to assist you, please submit your phone so it may be inspected for repair.

on Sep 28, 2010 | Cell Phones

1 Answer

Walkie talkies model gmr325-2 ic;513C-UT914 HOW DO I GET THESE TO TRANSMIT, MY HUSBAND HAS CANCER AND WE NEED THEM IN OUR BEDROOMS AND WHEN I AM OUTSIDE, TK U, TK U


In order to get the most out of your new radio, read this reference guide completely before attempting to operate the radio.

Turning the Radio On and Adjusting the Volume

1) Press and hold the key to turn the radio ON.

2) To change the volume level press the volume/monitor up or down key to increase or decrease the volume level.

3) Press and hold the key to turn the radio OFF.

Adjusting the Sound (Key Beeps)

Your radio emits a beep each time one of the keys (except for the PTT button and call key) is pressed.
The sound of the Key Beep will increase or decrease depending on the volume level setting.

To turn OFF this beep:

Press and hold the call key while turning ON the radio.

To turn ON this beep:

Turn the radio OFF and ON again.

Choosing a Channel

Your GMR325-2 radio has 22 channels you can use to talk to others. In order to speak to someone,
each of you must be set to the same channel.

To choose a channel:

Press the channel/scan up or down key to increase or decrease the channel number displayed.

Channel Scan Feature

Your GMR325-2 radio has a channel Scan feature that allows you to easily Scan all 22 channels. When an active channel is detected, the unit will pause on that channel until the channel is clear. Then after a 2 second delay, the unit will continue scanning.

Pressing PTT button while the Scan is paused on a channel will allow you to transmit on that channel.

To turn ON channel scanning:

Press and hold either the channel/scan up or down key. The channel number on the display
will rapidly cycle through the channels.

To turn OFF channel scanning:

Press either the channel/scan up or down key.

Talking on Your Radio

To talk to others using the radio:
1) Press and hold the PTT button and speak in a clear, normal voice about 2-3 inches away from the microphone.

While you are transmitting the tx icon is displayed. To avoid cutting off the first part of your transmission, pause slightly after pressing the PTT button before you start talking.

2) When you are finished speaking, release the PTT button.You can now receive incoming calls. While receiving, the rx icon is displayed.

Transmitting a Call Alert Tone

Your GMR325-2 radio is equipped with a call tone that will be transmitted when the call key is pressed.

To transmit the call alert tone, press the call key.

The tone will automatically be transmitted for a fixed length of time.

Auto Squelch Feature

The GMR325-2 is equipped with an automatic squelch system which shuts off weak transmissions
and unwanted noise due to terrain conditions or if you have reached your range limit.

Monitor Mode Feature

Your GMR325-2 radio allows you to listen for weak signals on the current channel at the press of a key.

To turn ON monitor mode:

Press and hold the volume/monitor up or down key. The rx icon will blink.

To turn OFF monitor mode:

Press the volume/monitor up or down key. The rx icon will stop blinking.

Automatic Power Save Feature

Your GMR325-2 has a unique circuit designed to dramatically extend the life of the batteries. If there is neither transmission nor an incoming call within 2 seconds, your radio switches to the Power Save mode. The radio is still able to receive transmissions in this mode.

KEYLOCK ON/OFF

Press and hold the call key until the "L" appears. After 1 second, the LCD will return to the channel display.
To exit Keylock on mode, press and hold call again.

Note: While in keylock on mode, it will still receive transmissions.

ROGER BEEP

Roger Beep is a BEEP that is sent to notify the end of transmission.
Roger Beep can be heard through the speaker when Key Beep is on.
Roger Beep is transmitted even if key beep is turned off. However Roger Beep will not be heard from the speaker.

To turn OFF Roger Beep: Press and hold the channel/scan up Key while turning on the radio.

Jun 21, 2011 | Motorola Walkie Talkies 2-Way Radio

1 Answer

Hi, I have a LXT380/385. I find out haw to turn


I had the same issue here is the quote from the owners manual: To increase/decrease the volume level, press the up or down button during RX or STANDBY mode. With both radios on the same channel hold down the transmit or "PTT" button--this will put the other radio in the RX mode. While holding down this PTT or side button on one radio then you can adjust the volume on the other radio using the up or down arrows. (This is how you do it on RX mode. I'm not sure yet how to enter Standby mode.)

Oct 30, 2010 | Midland LXT365VP3 Two Way Radio

1 Answer

Cannot recieve incoming calls with one radio, but can call out with the same radio, seems to have no sound??


Watch the display while the working radio is transmitting; if the receiver is working, you should get an icon showing an incoming signal. <div>If you see it, it is the audio section that isn't working.</div> <div><br /></div> <div>What you might try, if you have a plug that fits the headphone jack; push the plug in and pull it out several times.</div> <div>Most headphone jacks switch off the internal speaker and this switch, like all of the rest of the radio, is surely Chinese, and if it makes it out of the factory door, they don't give a tinkers dam about the durability. </div>

Aug 24, 2010 | Cobra Microtalk 100 FRS Walkie Talkie...

2 Answers

President Harry 2 classic does not listen (receive)


Hi and welcome to FixYa,

Initial tests:
  • if there is likewise no TX modulation, check / replace audio IC4 TDA1905;
  • if RX signal strength (S meter reading) is low, check RX + 8VDC;
  • try using an external speaker in case of a faulty internal speaker;
  • exercise the AM/FM switch.
If all of the above checks good, then signal tracing from the front end down to the audio amp. Would the schematics help?

bf3dd4c.jpg

Good luck and thank you for asking FixYa.

Jan 30, 2010 | Radio Communications

1 Answer

One of my walkie talkie has an RX on the display and you can send but you cannot hear the other person. How can I remove the RX as that seems to be the only difference in them. Thank you


depending on what radio you have, they are programmed in different ways, rx means recieve signal

and tx means transmit signal, if you have a mode button, you will have to scroll through it until you

get to the menu that allows you to change the radio transmission. it looks like that radio is only

programmed to receive signals and not transmit. good luck!

Nov 11, 2009 | Cobra Microtalk 100 FRS Walkie Talkie...

2 Answers

Constant RX mode on cobra microtalk PR3850WX


Sounds like the radio was subjected to electrostatic discharge. If you have your manual, and it describes a way to do a "master reset" on the radio, follow the instructions. This usually involves pushing down on one key while turning the radio on. Otherwise you have to find a licensed dealer for factory service, as there is no way to repair the radio yourself. The use of surface mount technology still confuses many Techs unless they have been to a company's two or three week seminars.

Jul 23, 2009 | Cobra Radio Communications

1 Answer

I want to increase my wifi signal recieving strengh


Wi-Fi signal strenght depends a lot on where your PC is located if you are not getting 100% signal strength try moving it to someplace where there not much obstacles to interupt the signal.

Jan 23, 2009 | Computers & Internet

1 Answer

I have a cobra 25 ltd can i turn up the power without bringing it to someone


so what your asking then if you can increase the signal strength so I goes farther? If so then you can go to any radio shack and buy a signal booster that hooks up through the anntena line.

Dec 19, 2008 | Cobra 25 LTD 40-Channels Base CB Radio

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