Opengd77 calibration. Jan 26, 2020 · But, There is a bug in the official firmware where sometimes it seems to overwrite the calibration. Dec 11, 2023 · Tue Dec 19, 2023 10:54 am. OpenGD77 does not change the calibration table. The menu status line indicates there are 4 items, but only 3 are displayed. dat file, all of the contact names were blank again. Wed Dec 27, 2023 5:01 am. Just get an DM1701 and flashed it to OpenGD77 latest version, works about BER 5% with my MMDVM Hotspot. We are currently investigating this Dec 23, 2023 · Looks much more to be a network/configuration issue (I guess you're using a hotspot, since you gave the DMR+ settings), so YOU have to check your PiStar/Codeplug. If I tune my MMDVM repeater using MMDVMCAL, I can fine tune the transmitter as necessary and use the test pattern calibration for CC1 ID1 TG1 and it works with no issue as simplex. Jun 18, 2022 · Power display calibration volts Post by UR5TNF » Sun Jun 19, 2022 3:03 pm Good afternoon, for a long time I want to ask this question about the voltage correction (v). 2019). Adjust the calibration in your other radios to work with your most accurately calibrated radio. 1. Amateur radio firmware for the GD-77, GD-77S, DM-1801 Version 1 only, DM-1801A, RD-5R, MD-9600/RT-90 and MD-UV380/RT-3S and DM-1701 / RT-84 radios OpenGD77. Re: RD-5R calibration. Sep 15, 2023 · The power calibration is output power, not input current * voltage. dat file. There may be unknown side effects when adjusting the software values on these radios. 26. Otherwise the rest looks OK. Amateur radio firmware for the GD-77, GD-77S, DM-1801 Version 1 only, DM-1801A, RD-5R, MD-9600/RT-90 and MD-UV380/RT-3S and DM-1701 / RT-84 radios Dec 14, 2019 · * with actual and previous versions opengd77 * calibration option: on or off and reboot And * the tx timer remains at 0 * I have read the calibration and i think it hasn't strange values (read and saved calibration) When this repeater had a slot busy and I tried other slot, I connected fine. Jul 12, 2023 · TYT MD-UV380 / UV390 (NOT 10W UV380/390 PLUS VERSION) / Retevis RT-3S / Baofeng DM-1701 Dec 20, 2021 · OpenGD77 information; ↳ Announcements; ↳ FAQ; Radios & CPS; ↳ CPS; ↳ GD-77 / DM-1801 / RD-5R / GD-77S; ↳ TYT MD-9600 / Retevis RT-90; ↳ TYT MD-UV380 / UV390 (NOT 10W UV380/390 PLUS VERSION) / Retevis RT-3S / Baofeng DM-1701; ↳ Other unsupported radios; Discussions; ↳ New members must post here first; ↳ General discussions Dec 23, 2023 · OpenGD77. m. Probably the copy of the calibration data survived the Jul 5, 2022 · Re: MD9600 and Calibration data - adjustable? You can now do it by software, but I would still advise doing it using the analogue pots if you can, especially for large changes. 4V for it to be 100% charged. F6GVE Posts: 84 Joined: Sat Nov 16, 2019 8:52 am. We are considering ways that this might be done. Amateur radio firmware for the GD-77, GD-77S, DM-1801 Version 1 only, DM-1801A, RD-5R, MD-9600/RT-90 and MD-UV380/RT-3S and DM-1701 / RT-84 radios calibration Post by g1euq » 08 Jun 2020 20:51 hi, have just downloaded the very latest firmware and cps everything seems to work ok apart from when i go into extras,calibration, read from radio or load a file i get unhandled exception has occurred in your application value of "1040" is not valid for "value","value" should be between OpenGD77. Amateur radio firmware for the GD-77, GD-77S, DM-1801 Version 1 only, DM-1801A, RD-5R, MD-9600/RT-90 and MD-UV380/RT-3S and DM-1701 / RT-84 radios Mar 15, 2023 · Sun Feb 25, 2024 9:06 pm. When I change the "analog TX deviation" - "overall gain", the value stays on "39" after save and read from the GD-77. Step 6 should not be necessary. It also changes the Calibration menu Frequency Adjust to show the value as +/- 127 instead of an arbitary number from 0 to 255. Sep 11, 2020 · Calibration data. by YO3VTH » Wed Dec 27, 2023 2:15 pm. Now change the Adjust values for 250mW,1W,2W and 5W to achieve 250mW, 1W,2W and 5W and record the Adjust values. Amateur radio firmware for the GD-77, GD-77S, DM-1801 Version 1 only, DM-1801A, RD-5R, MD-9600/RT-90 and MD-UV380/RT-3S and DM-1701 / RT-84 radios Nov 16, 2019 · Calibration compatible with OPENGD77 firmware. UHF-DMR and VHF-Analog is working fine. Top. Radioddity may have fixed the bug, in a recent version, but it the bug was definitely in versions like 3. Jun 21, 2020 · Thanks, i will try tomorrow, here is now 2a. The difference between the factory and the openGD77 firmware is not great, so it is unlikely to case any problems. Amateur radio firmware for the GD-77, GD-77S, DM-1801, DM-1801A, RD-5R, MD-9600/RT-90, MD-UV380/RT-3S, DM-1701/RT-84 and MD2017/RT-82 radios CALIBRATION Jul 3, 2023 · The original calibration data is already used by OpenGD77 so what you suggest has already been done automatically. However if you wish to be cautious then don't use a power setting greater then 4W. If you backed up the Flash in your radio , before you loaded a codeplug or keps or DMR ID, then you should be able to install opengd77, restore the flash then reload the official firmware, then reload the official codeplug using the official CPS. When I viewed the newly created OpenGD77 codeplug . Calibration compatible with This was the backup of the calibration I originally took from my DM-1801 We currently have problem on the DM-1801 and RD-5R in that the master reference oscillator calibration value required for the OpenGD77 seems to be different from the value normally in the calibration. Baofeng DM-1701/Baofeng DM-1802/Retevis RT-84 running latest OpenMDUV380 (openGD77) by BD4VOW » Wed Mar 01, 2023 7:14 am. A few people have found that the radio appears to be locked and asks for a password after restoring the official firmware. The RX/TX part with the hotspot is solved. Then I try to use MMDVMCal to find out the Tx/Rx offset which should be -500, but still get BER 3% with range -200 to -500 set to the hotspot. Mar 8, 2023 · A new Beta is avialable for the UV380/RT3S and DM-1701. The codec is there, as YOU merge it to the firmware (you know, that donor file, etc, that's it), and if it was not there, you can't even enable DMR mode on the transceiver. We use our button naming in the user manual, which is was simplier for the user, even more if he own various models of supported transceivers. Like you said, both VHF and UHF were -48 from factory. While looking at the power calibration for the 10W UV380 Plus, I noticed the problem with the maximum power on all radios not being correct, because the calibration point is 4W not 5W. 2 posts • Page 1 of 1. Decide which is your most accuratly calibrated radio. Apr 3, 2020 · I have an interesting problem that only exists on the OpenGD77 firmware. I think it’s resolution is only 1kHz , but I will try to compare the Tx freq on FM with the official firmware. I am using the CPS "community edition" on a stock GD-77. If you want vaguely accurate power output, even on 1W and 5W on 2m and thoughout the 70cm band, you will have to calibrate the 1W and 5W values for all the frequency ranges you intend to use Feb 20, 2023 · The manufacturer button naming is not relevant with the OpenGD77 firmware. I have not been able to determine the reason for this behavior. Repeat for 430Mhz, 440Mhz and 450MHz. Amateur radio firmware for the GD-77, GD-77S, DM-1801 Version 1 only, DM-1801A, RD-5R, MD-9600/RT-90 and MD-UV380/RT-3S and DM-1701 / RT-84 radios Nov 16, 2019 · There seems to be an issue with synchronization on VHF repeaters in the latest from today (23. Yes. It seems like the GD77 is trying to wake up the repeater with no response. Was already set for 145/435. Amateur radio firmware for the GD-77, GD-77S, DM-1801 Version 1 only, DM-1801A, RD-5R, MD-9600/RT-90 and MD-UV380/RT-3S and DM-1701 / RT-84 radios Jul 20, 2022 · OpenGD77. I just downloaded OpenDM1801 firmware and installed it on the DM-1801 and it worked correctly as expected. Thanks to Colin G4EML for this fix. Right, i don't have one. However, all of my contacts were removed. Good morning, I am using CPS OpenGD77 version R2023. Jun 3, 2021 · OpenGD77. Apr 12, 2020 · Re: RD-5R calibration. Also, I don't know about the programming cable of the RD-5R, but the ones shipped with the GD-77* and DM-1801 are really low quality, unshielded and so on. VK3KYY Posts: 7041 Joined: Sat Nov 16, 2019 3: You will need to go to the Calibration screen in the OpenGD77 firmware, and select the Factory Reset option, becuase when the firmware is first runs, it makes a copy of the offical calibration data and uses that copy so that the official calibration is never modified by the firmware. Amateur radio firmware for the GD-77, GD-77S, DM-1801 Version 1 only, DM-1801A, RD-5R, MD-9600/RT-90 and MD-UV380/RT-3S and DM-1701 / RT-84 radios Jul 19, 2022 · OpenGD77. Jul 3, 2023 · Any method mapping origin firmware calibration data to opengd77. 02. Nov 22, 2019 · calibration Post by g1euq » 08 Jun 2020 20:51 hi, have just downloaded the very latest firmware and cps everything seems to work ok apart from when i go into extras,calibration, read from radio or load a file i get unhandled exception has occurred in your application value of "1040" is not valid for "value","value" should be between Feb 1, 2022 · The FW update went just fine. Amateur radio firmware for the GD-77, GD-77S, DM-1801 Version 1 only, DM-1801A, RD-5R, MD-9600/RT-90 and MD-UV380/RT-3S and DM-1701 / RT-84 radios Jul 21, 2022 · OpenGD77. The one assigned to the "Orange/QuickMenu" is the top most one. Nov 16, 2019 · The frequency calibration is carried out by the firmware. Setting a lower voltage to equal 100% would give a false impression that the battery was fully charged when its not. This version aims to fix keypad scan issues on some UV380/RT3S and hopefully also works on the DM-1701. Also, at the same time look at the current, because on some frequenceis these radios can't produce the advertised 40W and increasing the PA drive, in the calibration screen, just results in more current being drawn without any additional power Mar 11, 2020 · OpenGD77 information; ↳ Announcements; ↳ FAQ; Radios & CPS; ↳ CPS; ↳ GD-77 / DM-1801 / RD-5R / GD-77S; ↳ TYT MD-9600 / Retevis RT-90; ↳ TYT MD-UV380 / UV390 (NOT 10W UV380/390 PLUS VERSION) / Retevis RT-3S / Baofeng DM-1701; ↳ TYT MD2017 / Retevis RT-82; ↳ Other unsupported radios; Discussions; ↳ New members must post here first Jan 12, 2020 · The factory calibration of the power is often wildly incorrect I doubt they calibrate the power level at all as part of the factory calibration process. So, I used the CSV converter tool to export the 5 CSV's from my Baofeng codeplug, and then imported them to an empty OpenGD77 codeplug . Nov 16, 2019 · Also the Calibration screen does read and write OK, but I am running newer firmware so there could be some miss-match I was waiting to release until I'd fixed some problems in the scanning, but I'll release a new Latest version with Colins changes, and I'll make the other changes later OpenGD77. Jun 8, 2020 · apart from when i go into extras,calibration, read from radio or load a file i get unhandled exception has occurred in your application value of "1040" is not valid for "value","value" should be between "minimum" and "maximum" Parameter name: value any ideas of the cause ?? cps v20200608 fw v june 03 2020 [ 0690263] Feb 7, 2024 · For the power calibration I set the center frequency to match the Tx and then the span to 500kHz which makes that measurement very fast too. OpenGD77 information; ↳ Announcements; ↳ FAQ; Radios & CPS; ↳ CPS; ↳ GD-77 / DM-1801 / RD-5R / GD-77S; ↳ TYT MD-9600 / Retevis RT-90; ↳ TYT MD-UV380 / UV390 (NOT 10W UV380/390 PLUS VERSION) / Retevis RT-3S / Baofeng DM-1701; ↳ Other unsupported radios; Discussions; ↳ New members must post here first; ↳ General discussions OpenGD77. Now when I put everything into repeater mode. Apr 12, 2020 · Had the calibration, EEPROM, MCU, etc, backups of my RD5R exactly from factory. So that is what I used on the DM1801, which of course it isn't meant for. Apr 18, 2020 · This was the backup of the calibration I originally took from my DM-1801 We currently have problem on the DM-1801 and RD-5R in that the master reference oscillator calibration value required for the OpenGD77 seems to be different from the value normally in the calibration. Jul 3, 2023 · The original calibration data is already used by OpenGD77 so what you suggest has already been done automatically. I tried to read calibration data from the Retevis RT3S radio. Even though the program seems to be reading something, there is no data in the Calibration window. We are currently investigating this Oct 22, 2020 · TYT MD-UV380 / UV390 (NOT 10W UV380/390 PLUS VERSION) / Retevis RT-3S / Baofeng DM-1701 calibration Post by g1euq » 08 Jun 2020 20:51 hi, have just downloaded the very latest firmware and cps everything seems to work ok apart from when i go into extras,calibration, read from radio or load a file i get unhandled exception has occurred in your application value of "1040" is not valid for "value","value" should be between calibration Post by g1euq » 08 Jun 2020 20:51 hi, have just downloaded the very latest firmware and cps everything seems to work ok apart from when i go into extras,calibration, read from radio or load a file i get unhandled exception has occurred in your application value of "1040" is not valid for "value","value" should be between Dec 24, 2019 · It's not a secret that the RD-5R is a low quality/engineered transceiver. Power calibration should always be done using a 50 Ohm dummy load. The values used should be the same as the official firmware uses. Note I use the term 'resolution' not accuracy. If there was a problem it could be setting the radio to the wrong frequency. Restored all of that and for good measure, flashed the OEM Radioddity firmware, checked it out and tested, rock solid, then installed OpenGD77 (OpenRD77) which remained rock solid. Sep 11, 2020 · Calibration data. Then on 145MHz Record the "Adjust" values for 1W, 2W and 5W, and also measure the power produced by those Adjust levels. This requires frequency calibration to at least 500Hz resolution. OpenGD77CPS. Amateur radio firmware for the GD-77, GD-77S, DM-1801 Version 1 only, DM-1801A - Version 1 only, RD-5R, MD-9600 and MD-UV380 radios calibration Post by . I run my own repeater and can't activate it. 9 of the official firmware. Apr 11, 2020 · Re: Battery calibration. But most online resources about Lipo charging state the charger has to charge a 2S battery to 8. Changes to handling of 5W / 10W power setting from the calibration data Important Using this version without using the Calibration menu - > Factory Reset will cause the output power on the 5W,4W,3W settings to be lower than in previous versions 10W radio users should immediatly use Options Dec 23, 2023 · Looks much more to be a network/configuration issue (I guess you're using a hotspot, since you gave the DMR+ settings), so YOU have to check your PiStar/Codeplug. When pushing the PTT on GD77 the red LED blinks. Did you tried to put some ferrite beads to the programming cable, it might help a bit. Apr 11, 2020 · I have similar frequency calibration problems with my RD-5R, but I presumed it was just bad calibration of my radio. Use a Watt meter. Will calibrate in 145/435mhz just for fun with another antennas. VK3KYY Posts: 7179 Joined: Sat Nov 16, 2019 3: Jul 6, 2021 · The only radios I'd installed OpenGD77 on were Radioditty GD77 which is the only firmware I'd downloaded. Adjust you hotspot to work with that radio. If that happens (it is more likely if you did not restore Sep 26, 2023 · Hi Roger et al, on my DM-1701 with FW 20230915 the freq calibration adjust item is no longer displayed. 11. Also, at the same time look at the current, because on some frequenceis these radios can't produce the advertised 40W and increasing the PA drive, in the calibration screen, just results in more current being drawn without any additional power I then modified the firmware to use 0x8F000 as the address of the factory calibration, and also added a feature to re-copy the official calibration data into the OpenGD77 calibration data location, if SK2 is pressed when the radio is turned on (this also resets all other settings) The updated firmware can be downloaded from here Jan 10, 2024 · Procedure is. 1. Is the problem known? Background: other hams complained that my analog modulation is too low. The radio decodes nothing voice wise. Backup of Flash and Calibration worked as they should too. Nov 16, 2019 · Re: MD9600 regression to stock firmware clarification. OpenGD77. Oct 22, 2020 · TYT MD-UV380 / UV390 (NOT 10W UV380/390 PLUS VERSION) / Retevis RT-3S / Baofeng DM-1701 OpenGD77. I could change "analog mic gain" and it is saved in the GD-77. Jul 20, 2022 · OpenGD77. Nov 16, 2019 · To do this test you need to use the SK2+SK1+Green method. On the DM-1701, the SK2/SK1 are below the PTT. VK3KYY wrote: ↑. Nov. Its not uncommon for "intelligent" batter chargers to to cycle the Change power steps for the 10W radio versions 6. Radio works nice, no need calibration, i was first time just thinking it is a phisically calibration malfunction and posted questions here. I let is so as is. However I have just tested my radio on an RF test set and it appears to be OK. Amateur radio firmware for the GD-77, GD-77S, DM-1801, DM-1801A, RD-5R, MD-9600/RT-90, MD-UV380/RT-3S, DM-1701/RT-84 and MD2017/RT-82 radios becuase the Sep 25, 2022 · At the moment there is no way of adjusting the calibration without going back to the factory firmware. I don’t have an accurate freq counter. VK3KYY Posts: 7252 Joined: Sat Nov 16, 2019 3: Jun 21, 2020 · Re: RD-5R calibration. rv qi bj uh lu du od jr fo xs