Batboard

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GM 380 is not working. It can not be turned on. Inner fuse was short connected. In attempt to turn on, pulling 20 mA of power supply. Any ideas?

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What I did, was that I added the external power supply.

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GP340 squelch on a permanent open. I have reviewed and Tuning programming and side buttons everything is fine. Software is fine. I assume that the processor provides a constant criterioa for open squech. What is the problem ?

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Motorola telecommunications set R2600-Power supply is death, fuses are fine. It works for an external power supply of 12 volts. Ifs there some idea?
Thanx!

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How to convert the normal Motorola microphone HMN3596A for Spectra radio ( on the 15- pin connector) . Thanx!

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I had a problem with the radio GM 380. Fist, radio had "test fail 2" mistake. I tried with a new head, and in the end I managed to programme by the good codeplug , but now the problem is that radio is turnig of and on by himself. I think it's not a problem in a head. I blew hot air through contacts ...

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How to make GM600 UHF trunking into GM600 conventional? Tnx!

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For explaination: We have a Quantar, on location, and we wont to use +12vVoutput to charge battery for some other accessories, and we will use battery output on Quantar to charge battery and battery will supply other accessories. What will be happen if AC fail. If Quantar will stay working with low ...

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Hi, I am interest about Quantar and battery question. Is it possible to connect just 12v battery on Quantar, and when AC fail how it work, is in that case is low power?
Thanx!

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Hi, on one location is a MTR with ARGUS Power Supply. Instead of 220V, often is a low voltage 150V or 120V, and ARGUS is fail, it shows that battery is fail and ARGUS is not providing supply for load (MTR). Now is 220V, but ARGUS is still fail on same way, do you know what is wrong with ARGUS, and ...

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I attempted to put other codeplug from same model into radio and to programme factory codeplug but nothing. It appears to me that microprocessor is fault. Radio is P93YPC29C2AA VHF 5-T.

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And codeplug is looking fine!

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Question is not that silly! Selector work all correct! It has all correct criteria on his outputs and that is going direct to microprocessor, whose I am not able to stake out! So, on display I have a just 2,4,6,8,10,12,14 and 16 representing, and on position 1 is 2, and on position 3 is 4 and so on ...

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Hi people, we have a GP300 5-T with only even number channel on display, only every second channel on display (2, 4,6,8,10,12,14,16). I did not try to repair , yet. Is there somebody that knows what is it?!

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Do you use a RICK interface. Which audio are you using from receiver radio, discriminator audio or speaker audio? If you are using speaker audio, maybe audio is to big or low and in that case you control that level with volume on receiver radio. If you are using RICK interface and discriminator ...

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What value of WSWR is suitably for VHF/UHFantennas? Is that 1.35 or 1.25 (O.K. best is 1.00)?
Enjoy!

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Is there anybody who have some experience with that? IT is a product of ctiproduct company.
I am interesting about variant with PC connecting on TSAM-1 which is connect to SpectaTAC comparator! Enjoy!

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Do you know some good handheld antenna analyser, for VHF and UHF, with graph and display for SWR?
Do you a tipe?

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I wanna replace head on GM340 with head for GM360 (head for GM360 to put on GM340 radio. Is that possible?

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Is it possible to put contol head for GM360 radio on GM340 Motorola radio, and it wiill be working?

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LOOK PM!

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HI, we have a GR500 cross-band repeter, and he is going on transmitting with no reason. I checked criteria: on RX radio, pin 8 (PL detect, low active) and on TX radio, pin 3 (PTT, low active) on assesory connectors when everything is connected, also by scope (DC and AC) and everything is all right ...

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Hi, we have a problems with GM360 VHF radios, built in vehicles. For no reason, a few of them turn on and off, or dislay get crazy and led change its colors. In that case it is not possible to turn off on switch, only by pulling cable for +12V. Then, they get back normal. Radios are normaly ...

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It simce to me that go on 434MHz on that way, and wont go to 433MHz. It is GP300 5-tone UHF radio.

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Hi! How to make Gp300 UHF on 433MHz, when it is in original 438-470MHz!

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We have some problems during instalation of RSS MSF. When we copy files from another PC, or disc, and we edit path on config file or MSF software, software cant start (run start error). What we should do?
Thanks!

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On Control Head Interconnect Bord, I connected pin 21 and pin 30, on P0502 and that is it!

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Wiill, did you mean JU1 and JU2 "in" on Control Head Board, and that will be O.K.?

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Sorry, what I ment is that I need to aply +12V on ignition sense pin on accesory connector, and how to do that on easy way not on external side of connector but internal side, what to do somewhere inside a radio?!

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I coverted Spectra with remote head to compact radio, and I need to aply +12v on emergency pin of accessory connector.
How I can do that on easy way, so that +12v on emergency, would not be on a external side of accessory connector?

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Is there posible to use PC with Pentium III microprocessor for programming older radios like MT1000, MX1000, P210 ect...?

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I have a remote Motorola Specta radio (remote cable, remote head, station...), and I want covert that into compact Spectra radio. How can I do that on easy way?

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Did somebody know?

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I want to mount some UHF glass mount antenna (440-470 MHz) on glass for mobille radio in car. Do you know some antenna for that?

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Now I understand. Pin#2 is MIC input, but should be enable by software.

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Pin#1 is audio output from GM300, together with pin#16,
Pin#3 is voice PTT
Pin#5 is audio input (TX audio taht I need)
Pin#8 is PL/DPL detect.
Everithing is working but audio input not, that does not produce FM deviation when GM3600 go on transmmiting. WHY IS THAT?

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I want to use some Motorola GM360 UHF, as a link, so I want to make external PTT trought accessory connector (20 pins) and input TX audio trought (via) same connector. For external PTT it is clearingly to me that pins can be program (voice PTT), but I don't know which pin to use to input TX audio?

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Where I can find a schematic and layout diagrams for switcher who is a charger for Motorola GP300 batery? That is "ASTEC model AAI6600".

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Hi Dan, I solve that before I read your reply. On system connector J5, pin C10 I put external PTT, from link radio and aux TX audio routed to wireline. From wireline I take, also, MTR RX modulation to link radio.
PTT priority is working.
Thanx friend.

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But for TX priority we don't have AUX TX apriopity, just "wireline, local, repeater".
In "external PTT mapping" in default we have "wireline". and that can be change to "aux audio". Is that mean that wireline priority mean aux. audio priority when we set External PTT mapping as "aux audio"?

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Dan, I see that your are a great expert on MTR2000. We have an idea how to make all this using system conector J7, and connecting that connector to assesory connector of GM 300 or Gm 360 radio. One thing is not clear to us, if we take aux TX audio on mtr200 (J7), and we make external PTT ( thru J7 ...

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Hi Dan! But we have a 2 MTR2000 in two zones, and receivers zone don't overlapping, and we wont that RX modulation from zone 1 goes on transmition from other MTR2000. We wont something simple without factory's RF links.

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We gotta linked two MTR2000, or one MTR2000 and Micor, to transmitting on same TX frequencies at the same time. How to do that? No phone lines is avaiable.

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Dont use constant tone, use seconday line driver module on your comparator, thats better solution.

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I have a VERSION R05.03.00 05-APR-92, but I have old radio.

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I have some nice Spectra VHF, but I can nott programming that radio station. I have a right programming RIB cable, but software tell me "Wrong protocol". What is the problem, please?

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