Question about Motorola Talkabout T4500 (7 Channels) 2-Way Radio

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One unit transmitts to the other but cannot do the other way round

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It is possibly your interference code eliminator is programmed differently on the two radios. Check your programming, be certain the frequency, code and Qt filter (if any) are identical. For basic operations set your code and Qt filter to zero (off).

Here is a link to the user guide: http://www.giantintl.com/RadioPDFs/Outdated%20Manuals/T4500_User_Manual_E.pdf
Instructions for programming the T4500 begin on page 5.

Best regards.

Posted on Apr 26, 2010

Testimonial: "Many thanks will try your suggestion and the link to the manual was extremely helpful"

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First, unscrew the cartridge from the top. The round circuit board on top of the transmitter has a cutout on the switch side. Slide a screwdriver through that cutout and pop out the bezel the surrounds the switch. Remove the spring clip that is around the round circuit board and slide out the circuit board.

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I bought an iWave FM transmitter and it says to select the frequency 87.5 on my radio but I could not find this radio station it starts with 87.7 and could not make it play my mp3....how can I solve this?


There is no 87.5 on your radio so that frequency won't work -- you have to pick another frequency. Find an open frequency on the radio you want to transmit to. Then use the up/down buttons on the right to tune the iWave to the same frequency. That should do it. If you want to save that frequency on your iWave you press and hold the round button at the center bottom of the unit. The left/right arrow button on either side of the round button can be used to click through your saved frequencies. It's not very complicated, but it baffles me that they include no instructions whatsoever with this unit. Otherwise, it works pretty well.

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1 Answer

Quantum 3213. the door opener opens neighbors and visa versa


You can follow these instructions to change the code of yours. Might work for you.

NOTE: You must change the transmitter's code before programming the transmitter to the motor head unit.
The following steps describe the process to change a Quantum™ and Classicdrive™ security code.
This process only works fro transmitters with a GREEN LED and a "U" in their model number, such as "02-3047 2B U" or "02-3047 2B UH".
Changing the Transmitter Code
1. Press and hold the button on the transmitter that you want to change. The GREEN LED will flash once and then turn off.
2. Continue to hold the button until the GREEN LED begins to flash (approx. 10 seconds).
3. When the GREEN LED flashes, immediately release the button and then immediately press and hold the same button again. The GREEN LED will now come on steady.
4. Continue to hold the button until the GREEN LED begins to flash (approx. 5 seconds).
5. When the GREEN LED flashes, immediately release the button.
6. The code for this button has now been changed to a new randomly generated code. Do not push the button again until instructed in "Programming Transmitter to Power Head Unit".
7. You must now re-program this transmitter to the motor head unit. See "Programming Transmitter to Power Head Unit".
Programming Transmitter to Power Head Unit
1. Press the PROGRAM button located on the garage door motor head unit once. The PROGRAM STATUS light on the motor head unit will turn on and remain lit for one minute, indicating that it is ready to learn the Transmitter code.
2. Press the same button on transmitter as you did in "Changing Transmitter's Code" above. The PROGRAM STATUS light will turn off indicating a successful learn.
3. Press the same button on the Transmitter once more to operate the door.
4. If you are unsuccessful in programming the transmitter to the motor head unit of if the button does not operate the door or if you wish to program another button to operate a different door, you must change the transmitter's code.
Battery
If the LED does not turn on when button is pressed, replace battery.



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1 Answer

NEED TO KNOW HOW TO RESET A PRESTIGE ELVATCE CAR ALARM


REPRIORITIZING A TRANSMITTER’S PROGRAMMING:
To reprogram a receiver channel with a different transmitter button once a code has been stored, there will be two options:
  1. Enter the transmitter program mode of the receiver channel to be reprogrammed. Using any unused button or combination of buttons, push out the stored code by pressing the unused button until a long chirp is heard, then repeat 3 additional times. After this, you can add any desired unused transmitter button. This action erases only that particular receiver channel, all other codes will remain stored.
  2. Enter the transmitter program mode. Using any transmitter button press and hold until a long chirp is heard. If a single chirp or multiple chirps, (up to 7 chirps), are heard, the unit is indicating that the transmitter has already been programmed elsewhere in the receiver. Release the transmitter button and within 5 seconds press and hold until a long chirp is heard. This action forces the unit to erase all stored codes of that transmitter.
The unit then exits the program mode the siren emits the program mode exit chirp pattern. All transmitter buttons for that transmitter must now be reprogrammed. Any other transmitter stored in the unit’s memory still remain operational. If the button is released and not pressed again within the 5 second period, no change in programming has been made to the receiver channel. The programmer can move onto a different channel or erase the transmitter codes as described in 1 above.
Regards, Martin @ http://www.lesscoelectronics.com

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2 Answers

I have a 2001 Accord and if I hit the unlock button and do not open any door within a certain amount of time (2-5 minutes) it automatically re-locks it. Is there a setting I can change to prevent this...


Hi there,

Hope the following procedures helps.

TRANSMITTER TEST



NOTE:

If the doors unlock or lock with the transmitter, but the LED on the transmitter does not come on, the LED is faulty; replace the transmitter.

If any door is open, you cannot lock or unlock the door with the transmitter.

If you unlocked the doors with the transmitter, but do not open any of the doors within 30 seconds, the doors relock automatically. ?

The doors do not lock or unlock with the transmitter if the ignition key is inserted in the ignition switch.





1. Press the lock or unlock button 5 or 6 times to reset the transmitter.

If the locks work, the transmitter is OK.

If the locks don't work, go to step 2.



2. Open the transmitter and check for water damage.

If you find any water damage, replace the transmitter.

If there is no water damage, go to step 3.

3. Replace the transmitter battery (A) with a new one, and try to lock and unlock the doors with the transmitter by pressing the lock or unlock button 5 or 6 times.

If the doors lock and unlock, the transmitter is OK.

If the doors don't lock and unlock, go to step 4.



NOTE: The transmitters for LX models and EX models are different and are not interchangeable.



4. Reprogram the transmitter, then try to lock and unlock the doors (see Transmitter Programming ).

If the doors lock and unlock, the transmitter is OK.

If the doors don't lock and unlock, replace the transmitter.



TRANSMITTER PROGRAMMING

Storing transmitter codes:

The codes of up to three transmitters can be read into the keyless receiver unit memory. (If a fourth code is stored, the code which was input first will be erased.)



NOTE: It is important to maintain the time limits between the steps.



1. Turn the ignition switch ON (II).

2. Within 1 to 4 sec., push the transmitter lock or unlock button with the transmitter aimed at the keyless receiver unit behind the glove box.

3. Within 1 to 4 sec., turn the ignition switch OFF.

4. Within 1 to 4 sec., turn the ignition switch ON (II).

5. Within 1 to 4 sec., push the transmitter lock or unlock button with the transmitter aimed at the keyless receiver unit behind the glove box.

6. Within 1 to 4 sec., turn the ignition switch OFF.

7. Within 4 sec., turn the ignition switch ON (II).

8. Within 1 to 4 sec., push the transmitter lock or unlock button with the transmitter aimed at the keyless receiver unit behind the glove box.

9. Within 1 to 4 sec., turn the ignition switch OFF.

10. Within 4 sec., turn the ignition switch ON (II).

11. Within 1 to 4 sec., push the transmitter lock or unlock button with the transmitter aimed at the keyless receiver unit behind the glove box.

12. Confirm you can hear the sound of the door lock actuators. Within 1 to 4 sec., push the transmitter lock or unlock button again.

13. Within 15 sec., aim the remaining transmitters at the keyless receiver unit (up to two additional ones) whose codes you want to store at the receiver, and press the transmitter lock or unlock buttons. Confirm that you can hear the sound of the door lock actuators after each transmitter code is stored.

14. Turn the ignition switch OFF, and pull out the key.

15. Confirm proper operation of the transmitters.

Cheers!
Ryan

Jun 11, 2009 | 1998 Honda Accord

2 Answers

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Page 35 of the manual, here is the link to the manual if you don,t have one.

Not all units have transmitters, check the garmin site if in doubt.
https://buy.garmin.com/shop/store/manual.jsp?product=010-00540-00&cID=164&pID=31946

Hope this helps.
Ed

May 05, 2009 | Garmin Nuvi 660 GPS Receiver

1 Answer

My Roomba does not want to dock


Need more info.
Does the unit go into search mode? "SPOT & CLEAN" flashing? It actually tries to search?
Do you have another roomba to test your dock on to see if IT will dock? If it tries but just cant, then either the dock transmitter, or the roombas receiver is dead. (The round antennae thingys on the dock and the bumper) replace these would be the first point.

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