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PDW Support / Re: usb interface
« Last post by Discriminator on 13 Feb 2018, 08:08:22 »
A link to the manual was provided in the shipping confirmation mail. It can also be found through It's here.

Your current interface settings are for POCSAG 1200/2400. The dips switches should be (1) up, (2) down for FLEX 1600.

PDW Support / Re: usb interface
« Last post by deadman on 13 Feb 2018, 07:45:40 »
My current setup is a UBC9000xlt with Discriminator tap, monitoring the paging system for the New Zealand Fire Service (Flex) on 157.9500. using eith Win Xp or Win 7 (Depending on what computer I want to use)
the drivers were loaded prior to using the interface, as I cannot find a dip switch setting map, i am guessing with each setup, currently (looking at the switches) (1) down (2) up. using mono earphone cable to banana socket via discriminator tap (non resistor)
PDW Support / Re: usb interface
« Last post by Discriminator on 12 Feb 2018, 07:55:56 »
It's USB2.0. If the needle is shaking, the PC is receiving data from the interface.

Do you use a discriminator output? What system are you monitoring? Are the DIP switches set accordingly?

On my Xp machine, I can only use Soundcard, the computer doesnt automatically find the Interface drivers, and it comes up as a driver with the yellow triangle

Did you install the drivers manually before connecting the interface?
PDW Support / usb interface
« Last post by deadman on 12 Feb 2018, 03:51:49 »
Hi Guys,
The USB Interface, does this work with USB2.0 or is it USB3.0 only, all Im getting via Win7 running PDW3.12 or PDW 3.20 beta is the Needle shaking, no decoding whatsoever.
Im using the official FTD drivers from a link on the Discriminator site (CDM12.12.28).

On my Xp machine, I can only use Soundcard, the computer doesnt automatically find the Interface drivers, and it comes up as a driver with the yellow triangle
Data Slicers and Interfaces / 4 level interface discontinued
« Last post by Discriminator on 06 Feb 2018, 20:48:15 »
After almost 15 years, I have decided to discontinue the 4 level interface. Due to reduced sales over the last few years, it is not economically feasible anymore to produce this interface. Due to the complexity of changes needed to PDW, there are no plans to develop a USB version of the 4 level interface.

The circuit board design and component list is available on my site if you wish to build the interface yourself. Upon request, I will be happy to share the Eagle circuit board design file.

All boards sold through have two years warranty. After the warranty period, repair is always possible for a reasonable price.
PDW Support / Re: Windows 10 update
« Last post by Discriminator on 06 Feb 2018, 08:24:14 »
Reg just emailed me that he successfully tried tried a spare unit, so it was an interface problem.

PDW Support / Windows 10 update
« Last post by Straddy23 on 02 Feb 2018, 09:23:18 »
Recently my computer did a full update and since my installed PDW does not work
I have checked with Device Manager the comports (COM4) and it tells me that it working properly. I have tried a system restore without success.I have checked the PDW setup interface it shows COM$ Flex1600 and RS232.The meter in the top right corner flickers to about quarter scale but not full scale and does not show any percentage reading as previously.Any assistance would be very appreciated
Regards Reg
New Members / Hello from Montana, USA
« Last post by geonerdist on 28 Jan 2018, 16:45:15 »
I have been fascinated with the scanning hobby for years, started out with an old radio shack ten channel scanner that I got from my grandpa. Scanning was a gateway hobby into becoming a ham, now I've got quite the collection of radios from Motorola, Icom, Yaesu, and now a Uniden P25 scanner. I recently discovered the topic of decoding and brushed it aside until I ran across an RTL-SDR dongle for under $20 on Amazon and bought it instantly. Over the weekend I got PDW to start emailing me messages, since the computer I have it setup on is headless so I wanted a way to review messages without sitting at the computer. This is the same computer I have my Uniden P25 scanner connected to and served using ProScan. So the computer, scanner, router, and internet modem are all hooked up to a UPS. In the event of power failure, it will all stay running for about 1 hour. Instead of email I have now got it setup to to send push notifications to my iPhone and iPad (and chrome if it's open) using Just switch the email address after creating an account and it is that easy.
PDW Support / Re: PDW filter issue
« Last post by VidarParry on 25 Jan 2018, 05:12:17 »
Can you post an example of the filter line from your filters.ini
PDW Support / PDW filter issue
« Last post by on 22 Jan 2018, 19:32:42 »
ive programmed some filters to reject certain medical calls EX: 06D04 And Program 06D as TEXT and Reject is checked but still keep on comming in my filter window.
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