Batboard

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Type II (Motorola 3600 trunking) is not P25 Phase II. You need to set the P25 IDs in the ASTRO 25 Trunking ID section, same way you setup the trunked system as an ASTRO 25 system, not a Type II system.

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You're welcome. The volume knob pulls straight off the shaft, although you might have to give it a good yank to get it off. You'll see the torque adder once you get it off, usually it stays pressed inside the knob. The vast majority, if not all, 7000s came with the original red H01 design. If you re...

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APX portables already have a torque-adding washer underneath the volume knob. No need to make any hacky mods, simply buy a new one and replace the worn out one. 3275377H01 (red) is the standard torque adder, 3275377H02 (blue) is the high torque adder.

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There is no option available to mute all RX audio. Here is a workaround: Create a conventional personality named MUTE, add a BS channel that will never produce any audio (such as 775.10625) and name that MUTE also Create a new zone named MUTE, and add that channel Map the orange button to MS01 After...

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Here are the part numbers for the 7000XE housings and speaker grilles: 15009584001 Housing, Top Display 7000XE, One Piece, Black 15009584002 Housing, Top Display 7000XE, One Piece, Yellow 15009584003 Housing, Top Display 7000XE, One Piece, Green KT000050A01 Housing, Top Display 7000XE, Three Piece, ...

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Radio Ergonomics Configuration > Display > General > Save Day Night Mode

Obviously does not work on the O5 head, only the O2/O7/O9/E5 heads.

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While true that the back chassis assembly is identical for both the 2.5 and 3.5 models, and the keypad contacts are right there under the solid plastic of a 2.5 housing, they are electronically disabled based on the radio's model number. In other words, the 2.5 is a 6AN and would need to be a 7AN in...

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APX mobile codeplugs are largely blind to the control head that is actually on the radio. CPS doesn't care if you have an O2, O5, O7, etc., all of the options for each compatible head are going to appear and can be configured. The radio only pays attention to whatever fields apply to whichever head ...

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No need for all the random speculation, just use the proper tools to decode it and you'll have your answer. Which is: It's not data, it's DMR voice (most likely TRBO). Color code is 15, Group is 50, Radio ID is 6. The wav file wasn't clean enough to regenerate the voice frames good enough to make ou...

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NickH wrote:Programmed the pager for muted revert and 30 sec. timer. It worked like a charm.

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I was hoping by making the SV standard, they would have fixed the age-old stored voice issue of open squelch between alert and announcement, but alas the obnoxious squelch remains (particularly annoying in our system where dispatch stacks pages on different frequencies). Uhhh, are you sure about th...

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As far as I'm aware, Motorola has used UL to certify the Minitor pagers as IS going back to the III or IV. Certainly the IV, V and now VI were all certified by the UL, not FM. If you take a look at the spec sheets/brochures for each model it will show the UL certification. That's going back at least...

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I'll check it out, thanks!

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Welcome to the interwebs :) So, anyone else major applied to the FCC that we are aware of or will this pretty much be it (not that there is a bunch of time left...) :lol: NY, Chicago and Philly were the three "last minute" waivers issued, all on Dec 26th. I wonder if any are still in the ...

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N4KVE wrote:Actually, my friend Al, KD4KNV e-mailed me the article. I have no idea where he got it from, so I'll give the credit to Al. All I did was copy & paste his e-mail to me, here. GARY

Well then I owe you a sincere apology, sir. I knew I should've just kept my mouth shut.

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Yeah it's cool, Gary...go right ahead and copy my entire post from RR word for word without linking to it or typing anything yourself except for the thread title. I don't mind, really. :roll: http://forums.radioreference.com/new-york-radio-discussion-forum/256519-nyc-granted-significant-narrowbandin...

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Here's what I'm looking to do... Take a 700 MHz CDM1550 LS+ (AAM255HF4DP5AN) and get it to receive out of band enough that I can pull discriminator audio and use it as a dedicated receiver to monitor a P25 system in Unitrunker. No transmitting ever, receive-only parked on a single frequency. I just ...

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406.000 - 420.000 (NRE6111AB)
450.000 - 469.999 (NRE6114AB)
470.000 - 484.999 (NRE6115AB)
485.000 - 499.999 (NRE6116AB)
500.000 - 512.000 (NRE6117AB)

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No, they are a completely different animal not even closely resembling or related to one another. By the way, the majority of Minitor I pagers actually don't use the same tone filters as the Minitor II. The Minitor I used large KLN6202A/B Vibrasponder reeds, whereas the Minitor II used much smaller ...

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That's great news, thanks for the confirmation! I figured that's what was going on, different radio lines = different part #'s for otherwise identical items. I've noticed it with other items too, including the antennas as you mentioned.

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I'm trying to figure out if there's a difference between the NTN4812B and the NTN5557A? They look identical, except the 4812B was marketed as the MT1000/HT600 adapter, while the 5557A was marketed as the P200 adapter. Last time I checked, both radios use the same pinout on the accessory connector. C...

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154 - 162 is definitely an issue for most pagers. The highest you can push a 151 - 159 Minitor V is to 159.5975. You'd have better results tuning a crystallized II series with that split, but of course the II would require an aftermarket board to scan. All of that is moot, of course, since the NOAA ...

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Director II's make a good NOAA pager. Check with Gerry at G&G, he usually sells them complete with the 1050 filter, battery and charger. They're obviously not programmable, but the II series is rock solid and has better reception than anything new out there.

http://www.gcomradio.com/pager.html

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There is no 450 - 494 split Minitor V. The closest to what you're looking for is the 462.0000 - 469.9875 split model. The lowest and highest you can push it with the PPS is 461.3000 - 470.6875, and even that gives you an out-of-band warning.

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No problem, Bob...thanks for posting the information in the first place! After comparing the schematics your modification made perfect sense. 486, if you're looking for a service manual with schematics for the DII SV, you can find one here. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&Item=3900...

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You can get the NRN6702A that you have to provide a traditional squelch for monitoring, but you will need to slice and dice the board a little. You are O.K. with R321 and 3C6 removed. Remove 3D5 On the back side of the board, cut the trace from Stored Voice Module U601 Pin 3 Install a jumper from U...

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Is there any way to get these things off without destroying them? Unlike the soft rubber non-SV knobs, these things are hard plastic and seem impossible to pop out. Neither the MII SV or DII SV service manual make any mention of knob removal, whereas the non-SV service manuals do, so I'm guessing th...

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If the carrier dropping between tones and message is not a real-world issue for you, then you're probably better off closing 3D5 and enjoying your pseudo-MII SV without butchering the board. That being said, you don't need the schematics to perform the minor surgery Bob detailed. Everything is actua...

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Great info as always, Bob, your wealth of knowledge is much appreciated! What would be the effect of leaving 3D5 closed after making those modifications? With the NRN7795A board, 3D5 closed (3C6 open) only seems to affect the open squelch during power up, and between drops in the carrier after alert...

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I have to test this out further, or perhaps Bob will help us out some more before I get a chance to test all the jumper settings fully. With a Minitor II SV, having 3D5 closed does not adversely affect the alerting function. The pager alerts and records normally, and reverts to carrier squelch until...

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Turning pot R503 max counterclockwise would result in the squelch being wide open, which would be counterproductive when the pager is in "monitor" mode. Opening jumper 3D5 makes more sense, as it would not allow the squelch to auto-reset. The drawback to opening 3D5 is that the pager will ...

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Hmm, I was sure that opening 3C6 would stop the pager from auto-resetting. What you've described is the normal auto-reset behavior, it's supposed to go silent when the carrier drops. What position on the function switch are you noticing this behavior, all three? Also, is the voice module continuing ...

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My pleasure, let us know how it turns out.

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A DII SV with decoder board NRN6702A can be made to act like a MII SV by removing resistor R321. That is all that needs to be done. You don't even have to hassle with desoldering it, just pop it off with a pair of small needlenose pliers, it couldn't be any quicker or simpler. See attached photos fo...

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It doesn't really matter what the "ideal" way to dispatch is, that's not going to answer the OP's question or change the way his dispatch center operates. The answer to the question is, no, there's no way to prevent the pager from recording them as separate "calls". The pager isn...

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The fix takes about 5 minutes, if that. It involves nothing more complicated than touching a soldering iron tip to the IC legs so the solder reflows. Why on earth would you pay shipping and labor for Motorola to fix that? Anyone still using a junky III/IV probably has limited resources to begin with...

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http://radioetcetera.googlepages.com/minitoriiifix

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LZ - 794.3

MZ - 881.0

HZ - 582.1

EZ - 426.6

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This might be what you're looking for.

http://radioetcetera.googlepages.com/twotoneprogram

http://www.radioreference.com/forums/sc ... -beta.html

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Plasti-Dip works great also.

http://www.plastidip.com/home_solutions/Plasti_Dip

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Well, a side by side test is a good starting point, although there are clearly a lot of variables and it's not a controlled environment (which is just as well, since the real world where we use these pagers isn't a laboratory!) First thing I would wonder is, how old is the II? When was the last time...

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Was the pager doing that with the 2x16 messages, or are you not sure? Changing the jumper on the SV module would not affect something like that, unless you were sloppy with the soldering and got some on the legs of the IC next to the message length jumper (not saying you did, just that it's possible...

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Just to verify, the model # on the sticker for both pagers ends in 1712A, correct? http://i83.photobucket.com/albums/j282/res6cue/minitor/DSC03341.jpg 1st tone goes right against the battery compartment (bottom of pager). 2nd tone goes right above that. 3rd tone, if applicable, goes closest to the s...

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The SV module is located on the decoder board underneath the speaker and RF board, and the jumpers are on the bottom side of the SV module. Take the speaker off its mount and put it off to the side. Remove the RF board. Gently pull the SV module straight up and off the decoder board, taking care not...

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Take a look at the sticker inside the pager, as well as the number of tone sockets available on the board itself. If the model # is H04EAB1 7 12A and there are 3 sockets, then you can use Permacode active filters (either the larger NLN8503A style, or smaller and more common "Minitor II" NL...

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The question is, what exact min/max frequency range are you transmitting on here? 450-470? 470-512? 800? I've heard people use the term "UHF Hi" to refer to any one of those ranges, so it's not as dumb a question as it sounds to ask you for the specific frequencies you're talking about. La...

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As far as I remember, the most you can push it legitimately within the software is 0.5 MHz +/- the specified bandsplit. That would leave you 0.4775 MHz short at 462.4975. You may be able to do something with a hex editor, but I can't attest to or verify that. The III/IV/V bandspilts really are terri...

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You're going to be hard pressed to beat the performance of the II in any band, let alone low band. I'm not overly impressed with the V's performance on low band. It seems to either be not very sensitive on the default squelch setting, or too prone to interference and false alerting if you tweak the ...

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http://www.repeater-builder.com/maxtrac ... odels.html

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Alert on F2 is disabled in Priority Scan mode, the pager will only alert on F1. Ideally, you'd need to set the pager to Silent Scan mode in order for it to alert on either frequency with maximum reliability. What Silent Scan does is puts the pager into "quiet mode" until a proper set of to...

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