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Radio Shack ADV0801 Owner's Manual

Digital trunking handheld scanner
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ADV0801 Owner's Manual Draft
RadioShack
ADV0801
Digital Trunking Handheld Scanner
Thank you for purchasing your Digital Trunking Handheld Radio Scanner from RadioShack.
Your scanner scans conventional frequencies and trunked systems. Please read this user's guide
before installing, setting up and using your new scanner.
What's Included
Scanner
Antenna
Rechargeable battery case
Non-rechargeable battery holder
Belt clip
User's Guide
RadioShack, RadioShack.com, V-Scanner, and Adaptaplug are trademarks used by RadioShack
Corporation. Motorola, Smartnet, Smartzone, Omnilink, ASTRO and Privacy Plus are
registered trademarks of Motorola Inc. EDACS and ProVoice are registered trademarks of
MA-COM Inc. LTR is a registered trademark of E.F. Johnson, Inc. The IMBE™ voice coding
Technology embodied in this product is protected by intellectual property rights including
patent rights, copyrights and trade secrets of Digital Voice Systems, Inc. This voice coding
Technology is licensed solely for use within this Communications Equipment. The user of this
Technology is explicitly prohibited from attempting to decompile, reverse engineer, or
disassemble the Object Code, or in any other way convert the Object Code into a human
readable form. U.S. Pat. Nos. 5,870,405 and 5,517,511.
© 2008 RadioShack Inc.
All Rights Reserved
Contents
will add
Introduction
Welcome to an exciting new world of radio scanning! Recognizing that contemporary scanning
receivers are too hard to program and use, our engineers conducted extensive research to
determine the functional requirements for an entirely new scanning receiver user interface. We
call this new user interface the Object Oriented User Interface (OOUI), and it is based on the
premise that, to a hobbyist, a scanner is easiest to use if all of the things that can be scanned
are handled using common conventions for interaction between the user and the radio, at least
Page 1

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Summary of Contents for Radio Shack ADV0801

  • Page 1 ADV0801 Owner’s Manual Draft RadioShack ADV0801 Digital Trunking Handheld Scanner Thank you for purchasing your Digital Trunking Handheld Radio Scanner from RadioShack. Your scanner scans conventional frequencies and trunked systems. Please read this user’s guide before installing, setting up and using your new scanner.
  • Page 2 ADV0801 Owner’s Manual Draft to the extent that this is possible given that the “things” that can be scanned are different from one another in either subtle or major ways. In this new user interface design, we call “things” that can be scanned Scannable Objects.
  • Page 3 Code (NAC) is used to provide selective squelch operation on conventional digital channels. Your ADV0801 will detect the NAC that is being used on a P25 conventional digital channel, and allow you to program NAC codes to block transmissions that do not have a matching NAC,...
  • Page 4 Sleek, compact case design with large speaker is designed for one-handed operation and ease of use. IMPORTANT NOTICE: The ADV0801 Advanced Digital Scanner will not receive encrypted radio communications, or radio transmissions that utilize ProVoice digital modulation. What is Object Oriented Scanning? To put it simply, Object Oriented Scanning describes a new user interface design for scanning receivers (the Object Oriented User Interface, or OOUI).
  • Page 5 ADV0801 Owner’s Manual Draft Object Oriented Scanning also lends itself quite well to the “collector hobbyist model” we describe above. Object Oriented Scanning makes it very easy for newcomers to the hobby or the radio to start off with a small collection of scannable objects and expand their collection as needed later.
  • Page 6 ADV0801 Owner’s Manual Draft As you begin to use your new scanner, you will notice that the object names are abbreviated so that they can easily fit into the 16 character LCD. (Imagine what the radio’s display would look like if “Trunking Talkgroup Object” was spelled out in its entirety every time it was necessary to show it in the display.)
  • Page 7 ADV0801 Owner’s Manual Draft SRVC SRVC is used to represent a Service Search Object. SRVC objects are further divided into Public Safety, Aircraft, Amateur, CB, Marine, and FRS/GMRS/MURS/DOT. SRVC objects are similar to LMIT objects, but are preprogrammed to search all frequencies associated with the selected service.
  • Page 8 ADV0801 Owner’s Manual Draft Paging transmissions Any intentionally decoded scrambled or encrypted transmissions According to the Electronic Communications Privacy Act (ECPA), you are subject to fines and possible imprisonment for intentionally listening to, using, or divulging the contents of such a transmission unless you have the consent of a party to the communication (unless such activity is otherwise illegal).
  • Page 9 ADV0801 Owner’s Manual Draft Your ADV0801 The following illustrations are provided to help you get familiar with your ADV0801’s controls. Top Escutcheon Control Understanding the Display Icons Your ADV0801 features a high contrast, backlit Liquid Crystal Display (LCD) to provide important information about the status of the radio while you are programming and using it.
  • Page 10 ADV0801 Owner’s Manual Draft Menu position and search direction indicators. Understanding the Keypad Your ADV0801 features an easy-to understand backlit keypad with 34 keys that are used to control and program the radio. Softkeys F1, F2, F3 - activate function shown in the LCD display immediately above the softkey.
  • Page 11 You can use the belt clip attached to the back of the scanner for hands-free carrying when you are on the go. The ADV0801 ships with the belt clip already installed. To remove the belt clip, use your finger to disengage the retaining catch at the top of the belt clip from the back of radio, and slide the belt clip upwards.
  • Page 12 ADV0801 Owner’s Manual Draft 3. Place the battery holder into the battery compartment and replace the cover. WARNING: Always remove old or weak batteries. Batteries can leak chemicals that destroy electronic circuits. Do not mix old and new batteries, different types of batteries (alkaline, or rechargeable), or rechargeable batteries of different capacities.
  • Page 13 ADV0801 Owner’s Manual Draft Canada. The RBRC program provides a convenient alternative to placing used Ni-Cd batteries into the trash or the municipal waste stream, which may be illegal in your area. Please call 1-800-THE-SHACK (1-800-843-7422) for information on Ni-Cd battery recycling and disposal band/restrictions in your area.
  • Page 14 ADV0801 Owner’s Manual Draft Traffic Safety Do not wear an earphone or headphones with your scanner when operating a motor vehicle or riding a bicycle in or near traffic. Doing so can create a traffic hazard and could be illegal in some areas.
  • Page 15 ADV0801 Owner’s Manual Draft Frequency must be set to match the frequency of the transmitter you want to scan or monitor, and the MODE should be set to AU, or, if desired, AM, FM or NFM. Note that the scanner will automatically select the default mode based on the frequency you enter when MODE is set for AUto.
  • Page 16 ADV0801 Owner’s Manual Draft vv EXPERT BELOW vv This line is found in the object menus and the Global configuration menus. Its purpose is to delineate between the basic settings that are important to each object and the operation of the radio, and the expert settings that may be of interest to advanced users, but, if left alone, will not adversely impact the operation of the radio.
  • Page 17 ADV0801 Owner’s Manual Draft Talkgroup Object (TGRP) A Trunking Talkgroup Object (TGRP) is a record that stores the parameters for a trunked talkgroup on a trunked radio system. When you create a TGRP object, you are creating an object that will allow you to scan and monitor a talkgroup on a particular trunked radio system.
  • Page 18 ADV0801 Owner’s Manual Draft Menu Reference section of this manual for more information that applies to the type of TSYS you wish to monitor.) Scroll the display by pressing the down arrow once so that the flashing cursor is highlighting the TSYS field, then press the SEL key in the center of the 5-way pushbutton pad.
  • Page 19 ADV0801 Owner’s Manual Draft is mapped to an active Scan List and scanned, all talkgroup traffic on the system is monitored, and you have the option to save or lock out new talkgroups as they appear. You may wish to save your TGRP object as a Wildcard with no further changes.
  • Page 20 ADV0801 Owner’s Manual Draft systems, and about TGRP objects in particular: With regard to trunked radio systems, it is important to note that a "system" cannot be scanned. If one wishes to monitor radio traffic on a trunked radio system, one must create a TGRP object.
  • Page 21 ADV0801 Owner’s Manual Draft accidentally. Basic Scanning Operation Now that you have entered a few CONV or TGRP objects you can experiment with Scan and Manual operation. Activating Scan Mode will cause your scanner to scan through all Scannable Objects that are members of enabled Scan Lists and are not locked out.
  • Page 22 Browsing Objects The 5-way pushbutton pad makes it easy for you to browse the stored objects in your ADV0801 when in Manual or Program modes. Press MAN or PGM, then use the < > ^ v keys on the 5-way pushbutton pad to move around in the scanner’s memory as follows:...
  • Page 23 ^ v keys to scroll the display. Search Object Types A very powerful feature of your ADV0801 is the ability to define different types of frequency searches and process them while scanning. Frequency searches are just another type of Scannable Object in the hierarchy of the radio’s memory organization, so they can be...
  • Page 24 ADV0801 Owner’s Manual Draft Limit Search Object (LMIT) A Limit Search Object (LMIT) is a search object that stores the parameters necessary for the radio to search each frequency within a lower and an upper limit for activity. A LMIT object can be used for standalone searching –...
  • Page 25 ADV0801 Owner’s Manual Draft not interfere excessively with scanning of other object types. Signal Stalker II Object (STLK) A Signal Stalker Object (STLK) is a record that stores the parameters necessary for the radio to rapidly sweep a range of frequencies for strong signals from nearby transmitters. A STLK object can be used for standalone operation –...
  • Page 26 ADV0801 Owner’s Manual Draft 0: 33.4-46.5 MHz VHF Low Band 1: 151-170 MHz VHF High Band 2: 453-467 MHz UHF Band 3: 764-806 MHz 700 MHz Band 4: 851-869 MHz 800 MHz Band Sub bands can be selected and deselected by using the < > keys to scroll through the sub bands, and pressing the SEL key to toggle the selected sub band on or off.
  • Page 27 ADV0801 Owner’s Manual Draft 4: 851-869 MHz 800 MHz Band Aircraft - Searches civilian and military air frequencies. Groups are as follows: 0: 108-118 MHz Navigation 1: 118-137 MHz Civilian Voice 2: 138-150 MHz Military Voice (excludes 2m Amateur) 3: 225-400 MHz Military Voice Ham - Searches amateur radio frequencies.
  • Page 28 ADV0801 Owner’s Manual Draft search types can be configured to your preferences and needs. Be sure to refer to the Detailed Menu Reference section of the manual for detailed information for each of the search object types. Grouping Objects with Scan Lists By default, new objects are automatically assigned to Scan List 01.
  • Page 29 ADV0801 Owner’s Manual Draft It may be desirable to segregate object types by assigning them to specific Scan Lists. For example, you can assign a group of LMIT or SRVC searches to a single Scan List, and easily activate or deactivate searching on those objects by enabling or disabling the associated Scan List.
  • Page 30 ADV0801 Owner’s Manual Draft By default, every new object you create is mapped to be a member of Scan List 01. Scan List membership is defined in an object’s parameters menu and is typically found at the beginning of the menu.
  • Page 31 Other Advanced Startup Topics Here are some more startup topics that will help you get more enjoyment out of your ADV0801 as you become more experienced with its operation. We also suggest that you visit RadioReference at www.radioreference.com, where you can discuss the ADV0801 with other...
  • Page 32 Scan List. Locking out an object locks it out “radio-wide” until it is enabled by toggling the lockout setting. Four types of lockout functions are available in the ADV0801, temporary lockout, permanent Page 32...
  • Page 33 ADV0801 Owner’s Manual Draft lockout, search lockout and talkgroup lockout. Temporary Lockout Temporary lockout locks out an object until the scanner is turned off. When the scanner is powered on again, all objects that have been temporarily locked out are restored.
  • Page 34 ADV0801 Owner’s Manual Draft HINT: You can also toggle lockout anytime you are viewing an object menu in Program mode by pressing L/OUT. Search Lockout Search lockout works with certain search objects, including LMIT searches, some SRVC searches, and STLK objects. Frequency lockout is used to lock out undesired frequencies that are found during searches.
  • Page 35 Deleting Objects Objects that you no longer need to use can easily be deleted from the ADV0801’s memory, making room for new objects. To delete an object, press PGM, then use the < > ^ v keys to navigate to the object you wish to delete.
  • Page 36 Your ADV0801 includes a Multi-site feature that can enhance the operation of the scanner when monitoring Multi-site systems. Multi-site can be enabled by editing the trunking system (TSYS) parameters for a Motorola or P25 system.
  • Page 37 HRs on or off for the selected TSYS, then press the Save softkey to save your changes. When AutoMove HRs is turned on, you may enter the LTR system frequencies in any order, and the ADV0801 will automatically move the frequencies to the proper home repeater slots as transmissions are received on the system.
  • Page 38 Hit Counters Your ADV0801 includes a unique Hit Counter feature that keeps track of how many transmissions are received for each object type. The Hit Counter for an object is incremented each time a transmission is received on an object, making it possible for you to determine the objects that are the least and most active.
  • Page 39 White LED color setting (LED COLOR: 0), or when comparing one ADV0801 to another. You can compensate for these slight variations by fine-tuning the Red/Green/Blue (RGB) LED settings for each color. See the COLOR settings in the GLOB menu in Detailed Menu Reference section at the end of this manual.
  • Page 40 ADV0801 Owner’s Manual Draft You have included a Signal Stalker II object in your scan configuration so that you can find nearby strong transmitters while you are scanning. You can use an Audible Alarm to alert you when the radio receives a Signal Stalker II hit, and turn on the backlight so that you can read the display and operate the keypad to save or lock out the new frequency.
  • Page 41 ADV0801 Owner’s Manual Draft 7: 764-806 MHz 700 MHz Band 8: 806-869 MHz 800 MHz Band 9: 896-1300 MHz 900 MHz Band, 23 cm Amateur Band In Public Safety, the sub bands are defined as follows: 0: 33.4-46.5 MHz VHF Low Band...
  • Page 42 “VC: lsTGID” readings should be expected. You may wish to use the ADV0801’s Tune LED feature to obtain a visual indication of signal strength using the tri-color LED. To activate the Tune LED, press PGM, then the GLOB softkey.
  • Page 43 ADV0801 Owner’s Manual Draft NOTE: When a signal is being received, the Lmts softkey (F1) changes to FrL/O. You can access the Lmts softkey by pressing FUNC F1 when the F1 key function is FrL/O. Press the ^ or v keys on the 5-way pushbutton pad to change the search direction.
  • Page 44 Press the STOR softkey to create a new CONV object using the found frequency. Using Weather Modes Your ADV0801 also functions as a powerful weather alert receiver. There are three modes of weather alert operation available to you. NOTE: Your scanner incorporates weather alert as one of its features and is an extremely sensitive high quality receiver on the weather frequencies.
  • Page 45 ADV0801 Owner’s Manual Draft To activate Weather Priority Mode, follow the steps above listed above in Weather Radio Mode to find the strongest weather radio transmitter for your area. Once the radio is tuned to the strongest weather radio transmitter for your location, press the PRI key on the keypad. When in Scan Mode, the radio will check the specified weather frequency periodically for the 1050 Hz Warning Alert Tone (WAT).
  • Page 46 ADV0801 Owner’s Manual Draft Your scanner also allows you to specify the event code. The default alert code is “***”, which is best for most general purpose weather alert monitoring purposes. A list of event codes can be found at this web site: http://www.weather.gov/os/eas_codes.shtml...
  • Page 47 Scroll to the Code: field and press > on the 5-way pushbutton pad to enter a SAME location code. Use the keypad to enter a SAME code. NOTE: The ADV0801 supports entry of Extended SAME codes, which can include numbers and letters. The text entry mode is used to enter both numerical SAME codes and extended SAME codes.
  • Page 48 ADV0801 Owner’s Manual Draft Scroll to the Event: field. Note the current default of ***, which will allow all messages for the specified SAME location code. We recommend that you leave the event code with “***” to receive all alerts.
  • Page 49 You may reset standby mode by pressing the STBY softkey twice at any time. Using V-Scanner Storage Your ADV0801 features two types of memory storage. Main memory is used to store your programming that is used for everyday monitoring and scanning. V-Scanner memory is used to store complete copies of your scanner’s main memory for later recall, including objects, global...
  • Page 50 YES softkey to proceed, or the NO softkey to abort. Cloning Your Radio to Another ADV0801 or ADV0716 Scanner Your ADV0801 features a high speed data interface that can be used to transfer the data from your scanner to another ADV0801 or ADV0716 scanner.
  • Page 51 SEL is pressed on the SOURCE radio. Standard Text Entry Method and QuickText Your ADV0801 features a high-contrast, backlit alphanumeric display that provides constant feedback about what the radio is doing while scanning and monitoring your “Scannable Objects”. To get the most out of your scanner and this display, you will want to name your objects as you program them into the radio.
  • Page 52 FUNC CL to clear the entire field. The ADV0801 character set and corresponding entry codes are provided below for reference. Pressing FUNC to toggle the shift lock status will produce lower case characters for letters, and a second set of punctuation marks for special characters.
  • Page 53 Power-on key sequences are also used to place your scanner into firmware upgrade mode for CPU and DSP firmware upgrades. The following table lists the power-on key sequences available in the ADV0801. Unless otherwise specified, each sequence is invoked by pressing and releasing each key in sequence, one at a time.

  • Page 54: Troubleshooting Chart

    ADV0801 Owner’s Manual Draft 0, 5 Destructive, executes EEPROM memory test, then clears working memory and resets all Global settings to factory defaults. Does not affect V-Scanners. 0, CL Erases DSP APP Upgrade code, restores factory DSP version 0, PGM...
  • Page 55 ADV0801 Owner’s Manual Draft Attenuator in use on weak signals Check performance with and without attenuator activated, use setting with best reception Strong signal overload from Check performance with and nearby transmitter(s) without attenuator activated, use setting with best reception...
  • Page 56 ADV0801 Owner’s Manual Draft 1. Turn off the scanner, then turn it on again. The scanner briefly displays the DSP boot version, and then the Welcome/Owner screen is displayed. 2. Press 0 while the scanner is displaying the Welcome/Owner screen. The scanner displays System Tests: Select a Test...
  • Page 57 Scannable Objects that your scanner is capable of receiving. The ADV0801 design also includes a Global Settings (GLOB) menu that provides unprecedented control over the radio wide settings used throughout your scanner.
  • Page 58 ADV0801 Owner’s Manual Draft HINT: It’s easy to fix things if you inadvertently change a parameter and then can’t remember how to make it right again. Each parameter includes a Dflt softkey, which, when pressed, restores the factory default setting for that parameter.
  • Page 59 ADV0801 Owner’s Manual Draft Key or Stlth Controls all radio beeps. Key Beeps On or Off Controls key beeps. Light Mode Norml, Key, Ignre, On, Stlth Controls the backlight operation. Norml (Normal) uses the backlight key on the keypad. Key activates the backlight when any key is pressed.
  • Page 60 ADV0801 Owner’s Manual Draft settings. In Normal attenuator mode, the attenuator follows the individual object attenuator setting. Global Atten On or Off When the ATTEN mode is set to Global, this controls whether the Global attenuator is on or off.
  • Page 61 ADV0801 Owner’s Manual Draft Color 0-7 Red/Green/ Blue (RGB) value Sets intensity of red, green and blue LEDs. Press SEL to edit colors. Use < > keys to scroll to R, G or B LED settings. Use numeric keys to activate preset intensity levels for each LED, or use ^ v keys to fine scroll intensity.
  • Page 62 ADV0801 Owner’s Manual Draft SRCH Dig AGC On or Off Sets digital AGC mode on or off for all search types. Useful to compensate for low or high digital audio levels caused at the system. SRCH SuprTrk On or Off Alternative DSP decoding algorithm is applied to all search types.
  • Page 63 ADV0801 Owner’s Manual Draft membership. A “*” next to the Scan List number indicates that the object is mapped to that Scan List. Freq Any supported frequency in MHz The frequency that the CONV object will use. Alpha-numeric text The alphanumeric display name for the CONV channel.
  • Page 64 ADV0801 Owner’s Manual Draft Backlight On, Off or Flash Controls whether the backlight should be on, off or flashing while the object is active. Alarm None, Chirp, Hi-Lo, Alert, Ring, 2-Chirp, Fast Hi-Lo, DTMF# Sets the Audible Alarm for the CONV object. When an...
  • Page 65 ADV0801 Owner’s Manual Draft AudioBoost On or Off Applies a 6 dB boost to audio levels when the object is active Hit Count Numeric value Increments each time a transmission is received on the CONV object. Global “Hit Counts” must be set to ON.
  • Page 66 ADV0801 Owner’s Manual Draft FUNC L/OUT while the scanner is stopped on the TGRP object. Priority On or Off Turns Priority Mode on or off for the TGRP object. LED Mode Solid or Flash Controls whether the ALERT LED flashes or remains on solid when the ALERT LED is used.
  • Page 67 ADV0801 Owner’s Manual Draft 1-200 x 100 mS Sets the amount of time (in 100 millisecond intervals) for the wait for reply delay if Delay is On, e.g., 20=2 seconds. AudioBoost On or Off Applies a 6 dB boost to audio levels when the object is...
  • Page 68 ADV0801 Owner’s Manual Draft frequencies in LCN order for all EDACS trunking systems. Enter system frequencies in Home Repeater order for LTR systems. L/Out On or Off Permanent lockout for the TSYS. When On, no traffic will be received on any programmed TGRPs for this TSYS.
  • Page 69 ADV0801 Owner’s Manual Draft and will search for new control channels when the decoding quality of a control channel drops below Threshold Lo, and, if no control channels are available that meet the Threshold Hi criteria, the scanner will seek the...
  • Page 70 ADV0801 Owner’s Manual Draft FrHi Any supported frequency in MHz A frequency that will be used as the upper limit for the limit search range Alpha-numeric text The alphanumeric display name for the LMIT search. Use the standard text entry method or QTXT to name the object.
  • Page 71 ADV0801 Owner’s Manual Draft AM, FM, NFM, AU Modulation setting for the LMIT search. In most cases AU will work fine. Use AM to override and force AM modulation, FM to force FM modulation, NFM to force narrow FM modulation.
  • Page 72 ADV0801 Owner’s Manual Draft Pub Safety, Aircraft, Amateur, CB, Marine, FRS/GM/MURS, Railroad Public Safety (Pub Safety) - Searches commonly used public safety frequencies. Groups are as follows: 0: 33.4-46.5 MHz 1: 151-170 MHz 2: 453-467 MHz 3: 764-806 MHz 4: 851-869 MHz Aircraft - Searches civilian and military air frequencies.
  • Page 73 ADV0801 Owner’s Manual Draft LED Color Sets LED color to 0-7 as defined in the GLOB menu. By default, 0=LED Off, 1=Red, 2=Yellow, 3=Green, 4=Cyan, 5=Blue, 6=Magenta, 7=White. Latch LED On or Off Normally the ALERT LED is active only while the object is receiving a transmission.
  • Page 74 ADV0801 Owner’s Manual Draft Zeromatic On or Off When on, enhances the scanner’s ability to lock on to the actual center frequency of a search hit instead of an adjacent frequency. Search Dir Up or Down Sets search direction used when SRVC object is active.
  • Page 75 ADV0801 Owner’s Manual Draft 7: 764-806 MHz 8: 806-869 MHz 9: 896-1300 MHz In Public Safety, the sub bands are defined as follows: 0: 33.4-46.5 MHz 1: 151-170 MHz 2: 453-467 MHz 3: 764-806 MHz 4: 851-869 MHz Alpha-numeric text The alphanumeric display name for the STLK object.

  • Page 76: Appendix A - Frequency, Step And Mode Specifications

    ADV0801 Owner’s Manual Draft When On, the STLK object is a member of the Favorites Scan List. EXPERT BELOW Atten On or Off When on, applies 20 dB of attenuation to all hits received on the STLK search. Useful in areas where interference from nearby strong signals is present.

  • Page 77: Appendix B - General Specifications

    ADV0801 Owner’s Manual Draft 108.000 - 136.9916 MHz 8.33 kHz 137.000 - 137.995 MHz 5 kHz 138.000 - 143.9875 MHz 12.5 kHz 144.000 - 147.9950 MHz 5 kHz 148.000 - 150.7875 MHz 12.5 kHz 150.800 - 150.8450 MHz 5 kHz 150.8525 - 154.4975 MHz...
  • Page 78 ADV0801 Owner’s Manual Draft trunking talkgroups Priority Talkgroup and conventional channel priority, selectable priority sample rate and priority sample during trunking talkgroup call Conventional Receiver Modes AM, FM, NFM, CTCSS, DCS, P25 NAC Trunking Receiver Modes Motorola Type I/II/Iii Analog and Digital, GE/Ericsson/MA-COM...

  • Page 79: Appendix C - About Trunked Radio Technologies

    ADV0801 Owner’s Manual Draft Zeromatic Automatically zeroes receiver on correct frequency during searches Audio Output 250 mW Signal Stalker II Band Groups All Bands: Group 0 (25 – 54 MHz) Group 1 (108 – 136.99166 MHz) Group 2 (137 – 174 MHz) Group 3 (216.0025 –...
  • Page 80 ADV0801 Owner’s Manual Draft The best example of trunking in communications is the typical telephone private branch exchange, or PBX, which is used in many businesses, hospitals, schools and other organizations to provide desktop telephone service to the people who work at a specific building or site.

  • Page 81: Appendix D - About Ctcss, Dcs And P25 Nac

    CTCSS, DCS and P25 NAC are terms used to describe the different types of selective squelch that your ADV0801 is capable of utilizing with conventional, non-trunked radio channels. In many cases, frequencies that are assigned to licensees are not licensed on an exclusive basis.
  • Page 82 Additionally, the ADV0801 can detect the DCS code that is in use on a transmitter, and will allow you to store the code value with a CONV object when a DCS transmission occurs.
  • Page 83 ADV0801 Owner’s Manual Draft the background of a voice transmission. P25 NAC P25 NAC stands for Project 25 Network Access Code. NAC is a part of the APCO Project 25 digital radio standard, and works much like CTCSS or DCS to block undesired transmissions from a receiver.