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Search found 999 matches

by Al
Wed Mar 30, 2011 4:39 am
Forum: Radio Programming
Topic: GP68 programming plug - mono or stereo ??
Replies: 5
Views: 581

Re: GP68 programming plug - mono or stereo ??

A mono(2 way) plug works fine, bus+ to tip, common to ring. A 3 way might work, don't know because I've never used one.
GP68 service manual call for use of a mono plug.
If the plug isn't inserted all the way so the tip doesn't make contact you'll get the message that you described.
by Al
Tue Mar 29, 2011 9:10 am
Forum: Radio Programming
Topic: HT 1250 issues.
Replies: 4
Views: 606

Re: HT 1250 issues.

When your HT is breaking squelch, is it in the vicinity of a PC? If it is, and you are using carrier squelch as the only open squelch qualifier on receive, remove the HT antenna to verify that said squelch does not open. If it doesn't, then you have a PC or other device with electronics that's radia...
by Al
Tue Mar 29, 2011 3:04 am
Forum: Radio Programming
Topic: HT 1250 issues.
Replies: 4
Views: 606

Re: HT 1250 issues.

From the tag on the rear of the chassis behind the battery - what is the firmware revision number?
by Al
Wed Mar 23, 2011 4:04 am
Forum: Vehicle Radio Installs
Topic: Mobile Antenna Options?
Replies: 7
Views: 1567

Re: Mobile Antenna Options?

And, in addition, remember that physically short(for the frequency) antennas won't have the bandwidth that you'll see on a half or 5/8 wave antenna because the short ones have to be matched more carefully and the effective Q is higher. As someone else said, longer is better in terms of performance. ...
by Al
Sun Mar 06, 2011 5:58 pm
Forum: Radio Programming
Topic: CDM Programing Cable Question
Replies: 11
Views: 1197

Re: CDM Programing Cable Question

Viewed from the front(pin end) of your connector with the locking tab at the top, M labels the pins as: 19, 1,3,5,7,9,11,13,15,17 on the top row. Bottom row is: 20, 2,4,6,8,10,12,14,16,18 left to right viewed from the pin end.
by Al
Sun Mar 06, 2011 5:49 pm
Forum: Motorola Digital and Voice Paging
Topic: Minitor Band Split Question
Replies: 2
Views: 356

Re: Minitor Band Split Question

I'd recommend the Min V over the III or II...it's programmable for narrowband if and when you need it there in Nova Scotia. And it's available in the A bandsplit, 143 - 150.9975 Mhz from a Motorola paging distributor.
by Al
Sat Mar 05, 2011 8:50 pm
Forum: Radio Programming
Topic: CDM Programing Cable Question
Replies: 11
Views: 1197

Re: CDM Programing Cable Question

I just checked the pinout that you listed against my AARKN4083 cable, and your information is correct, Ben. Remember, the connector on the rear of the CDM is 20 pin...pins 1 & 20 are adjacent to 1 & 2. If you're using a 16 pin connector to plug into the rear of the CDM, you have to make adju...
by Al
Sat Mar 05, 2011 8:37 pm
Forum: Radio Programming
Topic: Current revision of Motorola Professional&Commerical CPS?
Replies: 2
Views: 522

Re: Current revision of Motorola Professional&Commerical C

Commercial Series current revision is R 05.13.00.
by Al
Sat Mar 05, 2011 1:59 pm
Forum: Radio Programming
Topic: CDM Programing Cable Question
Replies: 11
Views: 1197

Re: CDM Programing Cable Question

If you're trying to upgrade the firmware:
1. Switch on your cable to off position
2. Start firmware upgrade kit software
3. Set switch to on on your cable, reset power as instructed on CDM
4. Click 'OK' on popup window to start reflash

At which step above are you encountering trouble?
by Al
Tue Mar 01, 2011 4:59 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Radius 25W to 2W mod?
Replies: 6
Views: 415

Re: Radius 25W to 2W mod?

I don't believe that you would get 2 W just taking output from the RF board, more like 600 mw. And you would lose any power leveling that the firmware/variable gain IPA provides. If you're just using the transmitter portion, it would make more sense to set it at 10 W and use a power attenuator to ge...
by Al
Mon Feb 28, 2011 7:16 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Radius 25W to 2W mod?
Replies: 6
Views: 415

Re: Radius 25W to 2W mod?

You didn't say which Radius, but the current ones have a programmable high and low power setting. If you have a 1-25W, just program both high and low for whatever you want within the range of 1 and 25 W.
by Al
Fri Feb 25, 2011 8:20 pm
Forum: Motorola Digital and Voice Paging
Topic: Minitor V Engineering mode
Replies: 71
Views: 17383

Re: Minitor V Engineering mode

Not that I'm aware of with version 1.7.2.
by Al
Fri Feb 25, 2011 10:10 am
Forum: Radio Programming
Topic: CDM Programing Cable Question
Replies: 11
Views: 1197

Re: CDM Programing Cable Question

Sure, you can.
by Al
Fri Feb 25, 2011 10:06 am
Forum: Motorola Digital and Voice Paging
Topic: Minitor V Engineering mode
Replies: 71
Views: 17383

Re: Minitor V Engineering mode

It's a "secret menu popup". IIRC, load a codeplug, mouse over the Min V window, and press the letter s on your KB.
by Al
Fri Feb 25, 2011 10:01 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: GM300 with leaky crystal
Replies: 5
Views: 857

Re: GM300 with leaky crystal

Crystals are not filled with anything except perhaps dry nitrogen when they're hermetically sealed. Any kind of liquid or solid would not allow the quartz to vibrate. Likely what you're seeing is a drop of adhesive that was applied to the crystal case after board assembly to prevent the crystal's mo...
by Al
Wed Feb 23, 2011 7:18 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: OPT_SEL1 at side connector
Replies: 3
Views: 331

Re: OPT_SEL1 at side connector

Not sure about the XTS series, but I'd guess that it's the same as the Waris line. If the external accy with your broken pin is a speaker-mic, the easiest way to repair may to be to purchase a replacement coilcord(assuming you have the part number).
by Al
Wed Feb 23, 2011 6:28 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: OPT_SEL1 at side connector
Replies: 3
Views: 331

Re: OPT_SEL1 at side connector

You didn't say which series of radios you're talkinbg about, but if you are referring to the Waris series, opt sel 1 pulled low when an accessory is attached to the accy port tells the internal uP that the accy is installed: low = external, high = internal. Opt sel 2 is PTT active when low and an ex...
by Al
Mon Feb 21, 2011 5:26 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: What is the difference? (TX Deviation)
Replies: 12
Views: 2103

Re: What is the difference? (TX Deviation)

Carson's rule uses the highest baseband frequency to approximate the occupied bandwidth, so 3 Khz is the accepted value for Ftop.
by Al
Sat Feb 19, 2011 1:35 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: MTR-3000 Replacement
Replies: 7
Views: 507

Re: MTR-3000 Replacement

For Arlojanis, I wanted an MTR3000 for use on a 2 wire wireline too, so I asked: you have to order option X216 to get the 2W wireline card.
by Al
Sat Feb 19, 2011 1:13 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: What is the difference? (TX Deviation)
Replies: 12
Views: 2103

Re: What is the difference? (TX Deviation)

IIRC Wow, the expression that you gave is also known as the Carson's Rule bandwidth for occupied bandwidth.
by Al
Sat Feb 12, 2011 4:56 am
Forum: Motorola Digital and Voice Paging
Topic: Minitor V will NOT monitor channel
Replies: 8
Views: 707

Re: Minitor V will NOT monitor channel

An MSS can send it to the depot for you, as can many independent radio service shops, or if you have MOL access, you can send it to the depot yourself. Via MOL, you select 'initiate service request' from the top menu bar, fill out the form that comes up, enclose a copy of it with your shipment and s...
by Al
Wed Feb 09, 2011 7:57 pm
Forum: Software & Firmware Releases & Issues
Topic: Professional Upgrade Kit 5.17.01
Replies: 8
Views: 2971

Re: Professional Upgrade Kit 5.17.01

I don't know the answer to your question, but I can state that the Waris version is compatible with Vertex' implementation.
by Al
Tue Feb 08, 2011 8:32 pm
Forum: Software & Firmware Releases & Issues
Topic: Professional Upgrade Kit 5.17.01
Replies: 8
Views: 2971

Re: Professional Upgrade Kit 5.17.01

They added ARTS, which is a Vertex feature. So Spiffy is correct, the codeplug structure changed.
by Al
Mon Feb 07, 2011 6:06 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: What band would you use?
Replies: 25
Views: 2209

Re: What band would you use?

I recall an article in MRT several years ago after the rash of California wildfires stating that the general consenus was that VHF highband was the most reliable in your mountainous areas.
by Al
Thu Feb 03, 2011 5:21 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: 3.5 mm audio screw plug
Replies: 1
Views: 526

Re: 3.5 mm audio screw plug

Twitco Distributing, www.twitco.com. 800-899-8948, ask for Everett Parmenter.
by Al
Tue Feb 01, 2011 9:22 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Motorola Rick
Replies: 2
Views: 548

Re: Motorola Rick

And, in addition(depending on the value of the capacitor), forms a single pole highpass filter. Response will be down 3 dB where Xc = 1.5 kohms.
by Al
Wed Jan 26, 2011 9:05 am
Forum: Motorola Digital and Voice Paging
Topic: Minitor 5 Batteries
Replies: 1
Views: 285

Re: Minitor 5 Batteries

I've looked for one and haven't found anything. I called Itech last year, the company that makes the analyzers that I use, and was told they didn't have any plans to make one. So I made one using an old Min V charger base that works with my Itech analyzers. The analyzers treat them as NiCD but becau...
by Al
Sun Jan 23, 2011 6:28 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: 2-position manual X-switch question
Replies: 5
Views: 239

Re: 2-position manual X-switch question

The Transco transfer switches are some of the best made, good to 4 or 6 Ghz, and you'll note that by the price. Most of the Transco switches have an electrically driven operator with many having a manual changeover actuator(like on a waveguide 'baseball' switch) as well. Look around at flea markets ...
by Al
Wed Jan 19, 2011 11:21 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Is Motorola IMPRESS Technology Proprietary?
Replies: 19
Views: 1822

Re: Is Motorola IMPRESS Technology Proprietary?

IMPRES technology probably is proprietary, but that doesn't necessarily mean that M didn't license others to use the technology. I would guess that if a battery company felt that the market existed allowing them to recover licensing fees + cost of production + profit, then they'd probably buy a lice...
by Al
Tue Jan 18, 2011 7:52 pm
Forum: Radio Programming
Topic: help what is the correct software ?
Replies: 3
Views: 425

Re: help what is the correct software ?

For a MOL listing of all programming software, go to Resource Center -> software ->general information. For the XPR Mototrbo, you need RVN5115E, Global Mototrbo software.
by Al
Sun Jan 16, 2011 7:43 pm
Forum: Radio Programming
Topic: CDM1250 scanning issue
Replies: 7
Views: 667

Re: CDM1250 scanning issue

You said that you've set the scanlist option in all the personalities to scanlist 1. If you navigate down the menu tree in the CPS, you will find that you must populate the scanlists with the personality names/numbers. These scanlists accept a maximum of 16 personalities per scanlist. So you will ne...
by Al
Sun Jan 16, 2011 7:33 pm
Forum: Motorola Digital and Voice Paging
Topic: Minitor V Firmware Update
Replies: 34
Views: 5197

Re: Minitor V Firmware Update

https://businessonline.motorola.com if you have an account.
by Al
Fri Jan 07, 2011 9:19 pm
Forum: Motorola Digital and Voice Paging
Topic: Minitor V Firmware Update
Replies: 34
Views: 5197

Re: Minitor V Firmware Update

3.0 is still the current firmware revision.
by Al
Tue Jan 04, 2011 8:56 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Wide band vs narrow band
Replies: 22
Views: 6388

Re: Wide band vs narrow band

xmo, I'll disagree with you on one point that you mentioned above: switching IF filters from wideband to narrow does not change the receiver's noise floor - that's set by the active device in the frontend. Switching does reduce the noise allowed through the IF filters by 3 dB if the shape factor of ...
by Al
Tue Jan 04, 2011 12:33 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Wide band vs narrow band
Replies: 22
Views: 6388

Re: Wide band vs narrow band

Jacobsmeyer published an article in April 2010 Urgent Communications stating that FM theory can be used to predict how narrowbanding will affect system coverage. From that article: "The important principle illustrated by [figure 2] is that loss in coverage is strongly dependent on how well the ...
by Al
Mon Jan 03, 2011 6:07 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: MTR2000 - firmware
Replies: 5
Views: 509

Re: MTR2000 - firmware

Sure it is...you have to call the M systems group with the s/n of the MTR you want to update. Then they send you a CD with the latest firmware.
by Al
Mon Dec 27, 2010 8:28 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Parts needed for GP300/P110 ( 25 to 12.5 conversion )
Replies: 22
Views: 2950

Re: Parts needed for GP300/P110 ( 25 to 12.5 conversion )

"any .5 Kelvin N.F tubes out there for my X-band preamp?"

That's why we had parametric amplifiers back in the day!
by Al
Sun Dec 12, 2010 8:15 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: DTMF not working M208
Replies: 5
Views: 580

Re: DTMF not working M208

The DTMF mic takes care of muting its mic, sending the mic-generated DTMF tones on the mic line, and keying the M208's transmit while tones are being sent. The short answer is: no, there's nothing in the RSS that affects DTMF transmission or operation.
by Al
Mon Dec 06, 2010 11:38 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: CM200/CM300 Programming Adaptor
Replies: 7
Views: 13264

Re: CM200/CM300 Programming Adaptor

Aaron, here is the wire list for the GTF374 Motorola cable: DB25----------------RJ45(10 way) 1-------gnd----------4 12-----sw A+---------1 15-----bus +----------7 25-----boot ctrl-------6 16-----tie point-------3 Jumper 4&13 on DB25 RIB end Mount 1 Kohm resistor between DB25 pins 12&16 10 wa...
by Al
Sun Dec 05, 2010 10:59 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Cdm and gm300 accessory port Pin 4
Replies: 9
Views: 968

Re: Cdm and gm300 accessory port Pin 4

Active low is the only setting that the CDM will recognize as valid for this function. So your external relay/device should have one side tied to +12, with a diode across the coil observing the correct polarity if it's a relay, and the other side connected to pin 4. Is that how you've wired it?
by Al
Fri Dec 03, 2010 8:41 pm
Forum: Radio Programming
Topic: gr1225 remote channel change via DTMF
Replies: 1
Views: 298

Re: gr1225 remote channel change via DTMF

If the GR1225 channel switch involves different rx frequencies, the most logical way to approach this is with a separate control channel receiver and one of the Midian DTMF decoder addon boards to interface the control rx with the accy connector on the GR1225. If you're switching rx frequencies usin...
by Al
Tue Nov 23, 2010 1:34 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: What is a "Maxtrac Data Radio"?
Replies: 2
Views: 407

Re: What is a "Maxtrac Data Radio"?

Or a SCADA system like MOSCAD.
by Al
Tue Nov 23, 2010 1:31 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Radio Usage Training Material
Replies: 5
Views: 768

Re: Radio Usage Training Material

Motorola published a training CD, very basic, showing operators how to use digital and analog radios effectively. It's not model-specific, but it shows effectively through the use of sound bites what happens and how intelligibility is reduced when the operator uses a portable improperly. I'll look f...
by Al
Thu Nov 18, 2010 8:12 pm
Forum: Radio Programming
Topic: Can't access Programming for PM400 in RICK Configuration
Replies: 6
Views: 502

Re: Can't access Programming for PM400 in RICK Configuration

The CM/PM series used a GTF374B(Motorola P/N) cable to program thru the mic jack. This cable used a 1K resistor between pins 1&6 on the modular plug end(the resistor was actually mounted in the DB25 end). There are those here who will tell you to jumper pins 1&6...do so at your own risk. The...
by Al
Wed Nov 10, 2010 2:16 pm
Forum: Motorola Digital and Voice Paging
Topic: Minitor 5 nb
Replies: 3
Views: 446

Re: Minitor 5 nb

The Min V was designed from the ground up to have switchable NB/WB IF filters, so all Vs are NB capable.
by Al
Sun Nov 07, 2010 3:56 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: VHF 45W CM300 - Low Power Issues
Replies: 1
Views: 385

Re: VHF 45W CM300 - Low Power Issues

More than likely a defective transmitter PA. Those PA transistors are LDMOS, and they fail partially because some of the individual transistors in the package fail. If the DC current drawn on tx is low, and you're unable to make rated power output even with the soft controls set at maximum, check th...
by Al
Sat Oct 16, 2010 7:28 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: PM400 Inappropriate Behavior
Replies: 3
Views: 474

Re: PM400 Inappropriate Behavior

If you have another PM400 that's flashed to the same firmware level, and use the same CPS(think R05.13.00 is newest) and the strange behavior is repeatable, that clears the hardware leaving only F/W and CPS.
by Al
Fri Oct 15, 2010 7:39 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: R1225 and I20R ?
Replies: 4
Views: 250

Re: R1225 and I20R ?

The only features that the i20R offers over the internal controller that I'm aware of is multiuser capability and time logging. Could the system you're talking about have been multiuser?
by Al
Fri Oct 08, 2010 7:16 pm
Forum: Motorola Digital and Voice Paging
Topic: Serial to usb for Minitor V programming
Replies: 1
Views: 294

Re: Serial to usb for Minitor V programming

I use a BAFO BF810 usb to serial adapter with the Min 3s, 4s, and 5s with no problem. There are probably many others available at low cost that would work as well.
by Al
Fri Oct 08, 2010 7:10 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Motorola CM300 Audio PA
Replies: 4
Views: 546

Re: Motorola CM300 Audio PA

The CM300 rated power is 7.5 watts into a 4 ohm load. It's pretty hard to tell whether you've got a bad audio output IC or a bad speaker checking it the way you've done. Audio output ICs have been toasted in these radios when the user grounded one side of the speaker wiring. If you disconnect all sp...

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