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Summary of Contents for Acom AOM 04AT
- Page 1 ACOM 04AT Remote Automatic Antenna Tuner and Switch User's Manual Installation, Operation and Maintenance OUTSTANDING HF POWER PRODUCTS October 2023...
- Page 2 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch This manual is for electronic distribution mainly. If you have it on paper and you no longer need it, please, recycle it! The latest versions of our User's Manuals are available at www.acom-bg.com...
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Page 3: About Documentation
ACOM products and services. Further, this User's Manual is provided AS IS and ACOM shall not be liable for possible errors contained herein. - Page 4 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch Title of Documentation ACOM 04AT Remote Automatic Antenna Tuner and Switch User's Manual Installation, Operation and Maintenance Type of Documentation User's Manual Purpose of Documentation This manual explains Installation, Operation and Maintenance of the ACOM 04AT Remote Automatic Antenna Tuner and Switch.
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Page 5: Table Of Contents
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch Contents ABOUT DOCUMENTATION ..........................3 GENERAL INFORMATION ......................... 10 1.1. Introduction and Description ......................10 1.2. To the Reader of this Manual ......................12 1.3. Product Features ........................... 13 1.4. - Page 6 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch GETTING STARTED ........................... 43 3.1. Turning ON and OFF ........................43 3.2. Indication, controls and menus ..................... 44 3.2.1. Tuner Information Area on the Amplifier Screen ............44 3.2.2.
- Page 7 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 6.2.2. ATU Status ........................57 6.2.3. Deletion of Individual or Group of Stored Tuning settings ..........57 6.2.4. Erasing the Whole NON-Volatile Memory ............... 58 6.2.5. Checking the Resource Used for the Current Tuning ............58 6.2.6.
- Page 8 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 8.2. Functions ............................76 8.2.1. Process of Matching of Antenna Impedance ..............76 8.2.2. Modes of Tuning ......................76 8.2.3. Memory for the User Tune Settings ................76 8.2.4.
- Page 9 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch Figure 2-10 | Desk mounted tuner ........................36 Figure 2-11 | Desk installation bracket ......................37 Figure 2-12 | Securing the tuner to a desk ...................... 38 Figure 2-13 | Tuner rear view with connectors....................39 Figure 3-1 | ACOM 700S amplifier screen with tuner installed ..............
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Page 10: General Information
Congratulations on purchasing one of the finest antenna tuners in the world today. ACOM is pleased that you have chosen one of our products, and we will endeavor to provide you with the information and support you need to enjoy your purchase for many years. - Page 11 It will prolong the operational life of the tuner and reduce material wear. Regardless the choice of installation location, the operator is able to control and monitor the tuner's work via the amplifier front panel using simplified and intuitive menus in the original style of the ACOM transistor amplifier series.
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Page 12: To The Reader Of This Manual
600S, 700S, and 1200S functionality. Please note that menus and operating messages on ACOM 2020S are slightly different than described in this manual. This is normal! The ACOM 2020S uses a touch screen and other (but very similar) control software. -
Page 13: Product Features
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 1.3. Product Features Easy set-up of user tuning presets • For a CAT transceiver a single press of the TUNE button on the amplifier front panel is all you need. - Page 14 Improves harmonic suppression - the matching network is a low-pass L filter. Saves space on the operating position • ACOM 04AT can be located up to 100 m (330 ft) away from the shack. Remote installation • Allows remote installation, including outdoors, close to the antenna feed point, minimizing losses.
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Page 15: Product History And Documentation Validity
The ACOM 04AT antenna tuner serial production started in January 2017. The production has continued to these days without functional changes and with hardware improvements only. This manual refers to the ACOM 04AT antenna tuner and describes the operating possibilities of all tuners produced till the publishing date of this manual. -
Page 16: Product Identification
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 1.6. Product Identification Every ACOM product features an ID (identification) label/plate. The ID label is usually on the bottom side of the device. On this label, you can find data identifying the device. Which product identification data are important? Model designation - The model designation is the name of the device;... -
Page 17: Owner Assistance
If assistance is needed, you should contact your local dealer first. If necessary, your dealer will contact ACOM for additional guidance. If you still have an issue you need to discuss with one of ACOM's specialists, the contact information is as follows: ACOM Ltd. -
Page 18: Safety Considerations, Explicit Definitions
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 1.9. Safety Considerations, Explicit Definitions The ACOM 04AT is designed to meet international safety standards and complies with CE safety and electromagnetic compatibility requirements, as well as FCC regulations. - Page 19 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch PRECAUTIONS: DANGER For details about lightning protection see at the end of APPENDIX 1 | Lightning Protection this manual. DANGER For safe tuner operation, the tuner's grounding terminal labeled GROUND should be...
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Page 20: Lightning Protection When The Tuner Is Installed In A Building
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 1.9.1. Lightning protection when the tuner is installed in a building DANGER For details about lightning protection see at the end of APPENDIX 1 | Lightning Protection this manual. -
Page 21: Lightning Protection When The Tuner Is Installed Outdoor
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 1.9.2. Lightning protection when the tuner is installed outdoor DANGER For details about lightning protection see at the end of APPENDIX 1 | Lightning Protection this manual. When installed on a roof or in the field, the tuner, and antennas, if not provided with a separate lightning protection, should be within the protection range of an existing lightning protection system. -
Page 22: Electric Safety Precautions
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch At the place of entering the building, before going further to the radio station, the feedline between the amplifier and tuner input should be equipped with a pulse overvoltage limiter... -
Page 23: Installation
) for any missing items according to the order. 1.7 Equipment Supplied Table 2-1 | Package contents If you notice anything missing, immediately notify your ACOM dealer. Delay may void the carrier's warranty. Keep all packing materials for possible future antenna tuner shipment (see Section 8.4.4 Returning to the Service Provider Store safely the unused accessories. -
Page 24: Figure 2-2 | Acom 04At Packaged In A Cardboard Box
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch Please, note that the unpacking procedure described below may vary due to different packing solutions. Unpack the antenna tuner as described below: Open the cardboard carton (see Figure 2-1 | Packaging carton (outside view) Figure 2-2 | ACOM •... - Page 25 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch Table 2-1 | Package contents PACKAGE CONTENTS Image Pcs. Antenna tuner ACOM 04AT (unit only) Weather Protection Cover ACOM 04-WP Installation accessories for wall mounting Wall bracket (see Figure 2-5 | Wall installation bracket, Pos.
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Page 26: Tuner Location Selection
(see Section 1.7 Equipment Supplied Table 2-1 | Package contents ACOM 04AT tuner can be located up to 100 m (330 ft) away from the shack. Figure 2-3 | ACOM 04AT tuner mounting possibilities Wall mounted tuner Mast mounted tuner... -
Page 27: Power Supply Voltage
2.3. Power Supply Voltage The tuner is powered by direct-current voltage +26 VDC +10/-15%, supplied through the coaxial cable from the ACOM amplifier RF OUTPUT to the RF input of the tuner, labeled 50Ω RF +26 VDC POWER & CONTROL. NOTICE To avoid any damage (not covered by the warranty), never connect the input jack of the tuner, labeled 50Ω... -
Page 28: Installation And Connection For Outdoor Operation
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 2.4. Installation and Connection for Outdoor Operation CAUTION The unit's weight is about 5 kg and is recommended to be mounted by two persons. For installation and connection for Indoor operation see Section 2.5 Installation and... - Page 29 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch DANGER Do not commence tuner installation if you do not have a secure lightning protection grounding system as per Section 1.9.2 Lightning protection when the tuner is installed outdoor Do not use grounding systems that are not built to regulations - this may lead to fire, gas explosion, other incidents, or death, including that of other persons.
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Page 30: If The Wall Mounting Option Is Chosen
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 2.4.1. If the wall mounting option is chosen Install the accessories set ACOM 04-WM for walls (see Section 1.7 Equipment Supplied Table 2-1 | Package ) as described hereafter. -
Page 31: Figure 2-6 | Tuner Installed On A Wall
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch Although the weather protective cover (Pos. 1) provides the necessary shielding from the elements, whenever it's possible, the tuner should be mounted under a shed. This way maximum protection and minimum material wear both from water and sunlight and heat will be provided, extending the tuner's operational lifespan. -
Page 32: If The Mast Mounting Option Is Chosen
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 2.4.2. If the mast mounting option is chosen Install the accessories set ACOM 04-MM for masts (see Section 1.7 Equipment Supplied Table 2-1 | Package ) as described hereafter. -
Page 33: Figure 2-8 | Securing The Tuner To A Mast
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch Please, see Figure 2-8 | Securing the tuner to a mast The whole assembly (Pos. 1 & 2) is then secured to the mast using three hose clamps (Pos. 3) and with the weather protective cover facing up (connectors facing down). -
Page 34: Connections For Outdoor Operation
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 2.4.3. Connections for Outdoor Operation DANGER For Remote/Outdoor tuner operation, the grounding terminal of the tuner labeled GROUND (see ) and the antenna feeders Figure 2-9 | Tuner bottom view with connectors should be connected as described in Section 1.9.2 Lightning protection when the tuner is... - Page 35 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch NOTICE When you use ACOM 04AT with ACOM 2020S amplifier do not use antennas with SWR above 2.5! Always observe section 8.1.3 Maximum Allowed Input Power Check if the antenna cables and grounding system of your radio station are installed as described in Section 1.9.1 Lightning protection when the tuner is installed in a building...
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Page 36: Installation And Connection For Indoor Operation
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 2.5. Installation and Connection for Indoor Operation CAUTION The unit's weight is about 5 kg and can be mounted by a single person. For installation and connection for Outdoor/Remote operation see Section 2.4 Installation... -
Page 37: Figure 2-11 | Desk Installation Bracket
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch Please, see Figure 2-11 | Desk installation bracket The desk bracket (Pos. 1) is secured to the tuner body (Pos. 2) via 4 flat-head bolts (Pos. 3). Be sure to place the provided metal spacer plate (Pos. 4) between the bracket and the tuner body. -
Page 38: Connections For Indoor Operation
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch Figure 2-12 | Securing the tuner to a desk Figure 2-12 | Securing the tuner to a desk 2.5.2. Connections for Indoor Operation DANGER For INDOOR tuner operation, the grounding terminal of the tuner labeled GROUND (see , Pos. -
Page 39: Figure 2-13 | Tuner Rear View With Connectors
Make sure the device is switched off before connecting or disconnecting any cable. NOTICE When you use ACOM 04AT with ACOM 2020S amplifier do not use antennas with SWR above 2.5! Always observe section 8.1.3 Maximum Allowed Input Power Check if the antenna cables and grounding system of your radio station are installed as described in Section 1.9.1 Lightning protection when the tuner is installed in a building... - Page 40 Without powering up the amplifier, use a coaxial cable to connect the tuner input (Pos. 3) labeled 50Ω RF +26 VDC POWER & CONTROL to the ACOM transistor amplifiers output labeled RF OUTPUT. Besides RF power, the tuner will be supplied with DC power from the amplifier (+26 VDC with consumption up to 25 W), and bidirectional control data (60 kHz FSK), all combined on the same cable.
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Page 41: Grounding, Additional Information
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 2.6. Grounding, Additional Information Ground the tuner and install the cables from the antennas and from the tuner obeying safety requirements in Section . You need to distinguish between different kinds of 1.9 Safety Considerations, Explicit Definitions... - Page 42 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch Before doing anything else, connect the tuner's grounding terminal. DANGER Do not proceed with the installation, unless you have connected the tuner grounding terminal marked GROUND to the lightning protection grounding or the radio station grounding system, according to tuner installation location, see Section 1.9 Safety...
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Page 43: Getting Started
600S, 700S, and 1200S functionality. Please note that menus and operating messages on ACOM 2020S are slightly different than described in this manual. This is normal! The ACOM 2020S uses a touch screen and other (but very similar) control software. -
Page 44: Indication, Controls And Menus
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch The amplifier will assign the connected tuner and will then start taking care of its control and indications. At the assignment and at any subsequent turning on, the tuner will perform a quick tuning to retrieve from its memory the last saved tuning for the current frequency of the amplifier. -
Page 45: Segment Up/Down Buttons (Second Function - Band)
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch - The screen displays a frequency range showing the availability or absence of tuner settings for all frequency segments in the current band, to which the amplifier is tuned. The light gray segments have a user tuning stored in the tuner memory, and the black segments do not have one. -
Page 46: Аnt Button (Change Of Antennas)
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch - While the tuner is in BYPASS mode, it does not retune when frequencies and bands are changed, and the antenna change rules are retained as assigned by bands in the table of the ANTENNA ASSIGNMENTS menu (see Section 6.1 ANTENNA ASSIGNMENT Menu... -
Page 47: Starting Up And Main Functions
RF burns and injury. NOTICE Never exceed tuner specifications! Do not transmit with a high SWR! When you use ACOM 04AT with ACOM 2020S amplifier do not use antennas with SWR above 2.5! Always observe section 8.1.3 Maximum Allowed Input Power 4.1. -
Page 48: Sharp
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch The higher the degree of physical reduction of the antenna size, compared to its full-size version, the steeper, more frequency-dependent, narrow-band and unstable its settings are, in comparison with, e.g., the settings of a regular dipole. -
Page 49: Fixed
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 4.1.4. FIXED An extreme reduction of the physical dimensions of antennas, such as for a loop of 2-3 m diameter for 80 m band, would probably limit the capability to operate on a single fixed frequency only. If this is the case, select FIXED (for fixed frequencies) type. -
Page 50: Quick Tuning And Non-Volatile Memory
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 4.4. Quick Tuning and Non-Volatile Memory Quick tuning is performed automatically at each change of frequency segment, band and/or antenna. The tuner checks if there is a stored tuning setting for the desired frequency and antenna in the non-volatile memory. -
Page 51: Operation In Bypass Mode
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch NOTICE If the conditions at the antenna have changed since the time the tuning was memorized, using outdated tuning settings may lead to a high SWR at the amplifier end. We recommend updating the tuning settings with the TUNE button in this case. -
Page 52: Changing Frequencies And Antennas
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 4.6. Changing Frequencies and Antennas Changing a frequency segment or band with a respective quick tuning can be performed in three ways: - Automatically - utilizing transceiver CAT;... -
Page 53: Basic Full Tuning Cycle
This is typically done with a residual SWR allowance under 1.3:1 in the ACOM 04AT. A full tuning cycle is the "seek and find" process for a combination of tuner relays that leads to this impedance matching condition. -
Page 54: Operator Actions For A Full Tuning Cycle
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch This way, at the end of the matching cycle, the necessary combination of relays to achieve the matching of the connected antenna impedance to 50 Ohm is found. At the end of the cycle, this relay combination is stored in the tuner nonvolatile memory. - Page 55 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch - Adjust the RF power of the transceiver to approximately 25 W (unless previously adjusted). You may apply more power to compensate RF losses if the coaxial cable to the tuner is too long.
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Page 56: Advanced Functions And Options
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 6. ADVANCED FUNCTIONS AND OPTIONS 6.1. ANTENNA ASSIGNMENT Menu In this menu, the operator can specify the name, type (degree / rate of selectivity) for each antenna and frequency bands to be used with it. -
Page 57: Editing Antenna Names
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 6.1.3. Editing Antenna Names At the leftmost part of the table row, below the number of each antenna, there is a text field for its associated name (set to **No name** by default). You can enter any text, in free format, up to 12 characters. The name of the currently connected antenna will appear on the main screen, to the right of the numerical boundaries of the frequency segment. -
Page 58: Erasing The Whole Non-Volatile Memory
The tuner data will pass through the amplifier and be available at its serial (RS-232) port to a computer. Please, use the "ACOM Terminal S" software, distributed by ACOM free of charge, for the dump. Downloaded backup files can be stored and... - Page 59 SELECT button to confirm the selection; A new DOWNLOAD window will open in ACOM Terminal S. In it click on the BROWSE button and select location and name for saving the newly generated dump file on your computer; Click the SAVE button. The terminal program will then return to the previous window, in which the DOWNLOAD button should be clicked to start the download of the dump file;...
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Page 60: Restoring (Loading) The Non-Volatile Memory From A File - Memory Load From File
The data is input through the serial (RS-232) channel of the amplifier, and transferred by amplifier control to the tuner, which in turn writes it in its own memory. Please use the ACOM TERMINAL S software, distributed by ACOM free of charge. -
Page 61: Aging And Refreshing Of Settings
OPERATION COMPLETED SUCCESSFULLY After the upload is complete a short beep sound is generated, signaling that the UPLOAD window can be closed. Press the DISCONNECT button and close the ACOM TERMINAL S program; The tuner non-volatile memory and the table ANTENNA ASSIGNMENTS are automatically restored with tuning settings, antenna types, names, and band coverage from the uploaded backup file ".bkp"... -
Page 62: Overview Of Tuning Settings And Resources Used
Tuning age in hours ("- - - -" means "no tuning"). ACOM 04AT uses an L-shape matching network configuration. The abbreviations used below mean: is the capacitor connected in parallel to the transmitter (tuner input); is the inductance connected between transmitter and antenna;... -
Page 63: Measurements In The Tuner - Atu Measure Menu
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch The ANTENNA or ANTENNA buttons can be used to review the resource table for another antenna in the same band. SEGMENT or SEGMENT buttons are used to select (highlight) a different frequency segment in the table. -
Page 64: Voltage And Current At The Antenna Output
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 6.4.1. Voltage and Current at the Antenna Output The antenna voltage and current are indicated in root-mean-square (rms) values. They should not exceed: ANTENNA VOLTAGE < 500 V (rms);... -
Page 65: Maintenance
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 7. MAINTENANCE The user IS NOT expected to perform any repairs, except replacing fuses (see Section 7.3 Fuse Replacement and repairing antennas or coaxial cables on the feeders. -
Page 66: Figure 7-1 | Fuses Location
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch Figure 7-1 | Fuses location Figure 7-1 | Fuses location Fuse F1 specification: "F" type (fast-acting / quick-acting / fast blow / quick blow); • Rated for 2 A and 250 V. - Page 67 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch Littelfuse, PN: 0218.800 (glass body cartridge); • This fuse can be ordered from: - DigiKey (www.digikey.com), PN: F1744-ND; - Farnell (www.farnell.com), PN: 1271631; - Mouser (www.mouser.com), PN: 576-0218.800.
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Page 68: Block Diagram And Principle Of Operation
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 7.4. Block Diagram and Principle of Operation Please, see Figure 7-2 | Tuner Block Diagram The ACOM 04AT tuner consists of the following main assemblies: Input switch board;... -
Page 69: Figure 7-2 | Tuner Block Diagram
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch Figure 7-2 | Tuner Block Diagram Figure 7-2 | Tuner Block Diagram October 2023 S e c t i o n MAINTENANCE | Page 69 of 88... - Page 70 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch During tuner operation (after tuning), in normal state of the relays KS1 and KS2, the input RF power is directly fed from the RF Input to the input of the L matching network.
- Page 71 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch The process of full tuning runs in a number of steps (see Section ) and at each 5.1 What a Full Tuning Cycle Does step the Control board enables and blocks the RF power through the MOSFET INPUT SWITCH mentioned above.
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Page 72: Troubleshooting - Monitoring The Antenna-Feeder Path Status
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 7.5. Troubleshooting - Monitoring the Antenna-feeder Path Status Using the ATU MEASURE function, you can evaluate the status of the antenna-feeder path and the coaxial cable from the amplifier to the tuner. - Page 73 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch The cable impedance from the radio station to the remote unit may be other than 50 Ohm or may be faulty or disconnected; The transceiver power may be modulated or unstable (it should be unmodulated carrier);...
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Page 74: Specifications
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 8. SPECIFICATIONS 8.1. Parameters 8.1.1. Operating Frequency Range Continuous from 1.8 to 30 and from 50 to 54 MHz, extensions and changes on request. 8.1.2. Minimum Range of the Matched Impedances (at Each of the Four Antenna Outputs) All impedances with SWR from 1:1 to 3:1 towards 50 Ohm, any phase angle, unbalanced input and output. -
Page 75: Antenna Outputs Characteristics, Antenna 1 To Antenna 4
• 8.1.9. Remote Control The remote control and indication from an amplifier of the ACOM transistor series is provided over the input RF coaxial cable of the tuner using a 60 kHz / 4800 bps bidirectional FSK modem. 8.1.10. Maximum Length of the Input Coaxial Cable The maximum length of the RF coaxial cable between the amplifier output and the tuner input (see Sections 8.1.4 RF Input Characteristics... -
Page 76: Operating Environment
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 8.1.12. Operating Environment Protection class: IP 53 (NEMA Type 3); • Temperature range: -40 to +65 degrees Celsius (-40 F to 150 • Relative air humidity: Up to 98% @ +40 degrees Celsius (104 •... -
Page 77: Evaluation Of The Resource Used
A single cable is required from the radio station to the tuner. Along with the RF power, the coaxial cable from the ACOM amplifier to the tuner combines also the DC power supply of +26 VDC and the 60 kHz FSK data for bidirectional control. -
Page 78: Regulatory Requirements
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 8.3. Regulatory Requirements European conformity CE mark (Conformitè Europëenne) This symbol explains that "CE" marked ACOM product meets the essential requirements of Directive 1999/5/EC of the European Parliament and of the Council of 9 March 1999 on radio equipment and telecommunications terminal equipment and the mutual recognition of their conformity . -
Page 79: Storage And Shipment
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 8.4. Storage and Shipment 8.4.1. Storage Environment The antenna tuner may be kept packed in a dry, ventilated and unheated location (with no chemically active substances such as acids or alkalis) within the following environment ranges:... -
Page 80: Returning To The Service Provider
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch 8.4.4. Returning to the Service Provider This document section contains the general information on packing and shipping an antenna tuner for diagnostics and repair. NOTICE Should it be necessary to ship the antenna tuner, use the original packing as described below. -
Page 81: Information On Disposing And Recycling Of Old Electrical And Electronic Equipment
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch Seal the antenna tuner carton with heavy duty, 2-inch-wide self-adhesive tape; • Finally, the external strapping needs to be added over the antenna tuner carton. Either plastic •... -
Page 82: Appendix 1 | Lightning Protection
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch APPENDIX 1 | Lightning Protection Never underestimate the danger of lightning! Lightning may create dangerous current and voltage surges in antennas, antenna feeders, and the equipment connected to them, measured in tens and hundreds of thousands of Amperes and Volts, with steep (fast) rises (a few milliseconds) and a huge quantity of energy dispersed momentarily, comparable to, e.g., an explosion of hundreds of tons of dynamite, yet released in... - Page 83 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch E.g., a tree with a diameter of 30 cm or more can be split, exploded, broken or set on fire by a branch of the main channel of the lightning, while a standard metal lightning rod, taking the main strike of the lightning, survives, although it is much thinner than the tree.
- Page 84 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch All cables entering the building should only be laid out in one zone, low in building foundation, and the cable braids and grounding terminals of their pulse overvoltage limiters (surge...
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Page 85: Notes
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch NOTES ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. October 2023 S e c t i o n NOTES | Page 85 of 88... - Page 86 User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………..……………………………………………………………………………………………………………….. Page 86 of 88 | S e c t i o n NOTES...
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- Page 88 о о info@acom-bg.com ACOM and the ACOM logo are registered trademarks of ACOM Ltd. in many countries, www.acom-bg.com including the EU and United States. I The used images are illustrative only. Subject to change without notice. I Printed in Bulgaria.