Hello, my name is David and I have 2 Motorola R2600C one has tracking generator installed and one doesn’t. One has 3.02 firmware and the other has 6.12 firmware. I copied the firmware EPROMs with the 6.12 and then programmed it to new EPROMs and installed them and I copied the he U63 EPROM and progr...

Check the switch at the rear bottom of the monitor make sure it is set to internal 10 MHz and not external also switch it back and forth so it is making contact good that can cause the symptoms you described. David

Hello, does anyone know what is the latest firmware version is for a Motorola R2600C monitor would be? Mine has version 3.02 currently installed and I am wandering if there is any newer than that. Thanks, David

Thanks to IC4600 for helping me with the information to Cal my if filters. I tried what you posted and it worked for me and got my IFR back to functioning properly. Thanks again, David

Hello I too have the same issue when I try to cal my filters. Any one have any suggestions. Thanks, David

Hello Everyone, well I got my capacitors in and replaced all of them on the digital board and I fired it up and I still have the bad noise when receiving a signal. It passes all self test just fine. All other functions seem to work fine. When I go to receive and type in the weather channel for my ar...

Hello and thanks for the assistance I have ordered some new capacitors from Mouser and will get them soldered in when they get here. I really appreciate all the help that I get here. Thanks again, David

Hello, can someone please send a pictures of th caps that fail and the description of them so I can order them. Thanks, David

Hello, I have been working on my Ifr com 120A it has developed a bad noise when receiving a signal and the spectrum analyzer goes crazy. It passes all self test fine. I took it apart and inspected each board and found a ls412c chip that had spewed on the digital board so I ordered on and replaced it...

Hello, I finally was able to connect to my ifr com 120A via serial terminal and found no serial number or options. I used Wowbaggers post to replace my serial number and I went on to set the bandwidths on the if filters as his post but I get 102 syntax error every time. I was able to get the serial ...

Hello and thanks for the reply, I have been trying heyperterminal and a program called termite and two other programs with no luck I think it may be my cable and I have two more on order. I have lost my options but my clock and everything else works great. Every thing passes self test just fine I wo...

Hello, I have a ifr com 120A and I was wondering if there is any way to get the serial number out of the unit. I have tried to connect with a serial cable and a terminal program with no luck. It has the sticker on the back with the serial number on it but I want to know that it is still programmed i...