RX1-NV LCD Table of Contents 1. Preliminary Instructions 2. Warranty 3. First Aid 3.1 Treating electric shocks 3.2 Treating electric burns 4. General Description 5. Quick Start 5.1 Using the encoder 5.2 Preparation 5.3 Operation 5.3 Adjusting 6 External Description 6.1 Front panel...
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RX1-NV LCD 1. Preliminary Instructions This manual is designed to provide a general guide to skilled and qualified personnel, who are aware of the dangers that may arise when handling electric and electronic circuits. It does not aim to provide a complete description of all the safety precautions that must be observed by people who use this or similar equipment.
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RX1-NV LCD 2. Warranty The guarantee, which is for 12 (twelve) months, is valid for any R.V.R. Elettronica product. On components such as valves for finals, the manufacturer’s guarantee applies. R.V.R. Elettronica extends all transferable original guarantees to its own products.
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RX1-NV LCD Replacement of parts under guarantee or spare parts can be ordered from the following address: R.V.R. Elettronica SpA Via del Fonditore, 2/2c 40138 BOLOGNA ITALY Tel. +39 051 6010506 quoting type, model and serial number of the device.
RX1-NV LCD 3. First Aid Personnel involved in the installation, use, and maintenance of the equipment must be familiar with the theory and practice of first aid. 3.1 Treating electric shocks 3.1.1 If the victim is inconscious Follow the first aid principles described below.
RX1-NV LCD • Do not interrupt the cardiac massage during the artificial respiration. • Call a doctor as soon as possible 3.1.2 If the victim is conscious • Cover the victim with a blanket Keep him calm. • Loosen the victim’s clothes and keep him lying down •...
RX1-NV LCD 4. General Description RVR Elettronica’s RX1-NV is a professiona FM receiver with harmonic distortion lower than 0.1%. Its audio characteristics make it suitable for broadcasting applications, where high fidelity performances are needed. Its external box is 2HE high and mountable on standard 19” racks.
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RX1-NV LCD 5. Quick Start This chapter gives a concise view of the points that are necessary for the installation of the device. If any item is not completely clear, for example when you use the receiver for the first time, we strongly suggest to read throughly the manual and the description of the operating system.
RX1-NV LCD 5.2 Preparation Unpack the receiver and before any other operation make shure that no damage due to the transport is present. In particular, inspect the conditions of all the connectors. Check if the mains voltage is correct for your site. The selector is on the rear panel and the selected value is indicated by an arrow.
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RX1-NV LCD If the receiver is working correctly, the LEDs “alarm” and “waiting” will be off. The respective meanings are that the power supply is correct, and that the PLL is locked on the working frequency. At this point, the software enters the main cycle, displaying the default screen.
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RX1-NV LCD Note: the visualization of the following states is enabled only if the receiver is configured for automatic alarms management “Antenna”: Off indicates that automatic commutation on the backup setup (frequency and antenna) is disabled. It corresponds to the menu item Admin −>...
RX1-NV LCD Set the desired muting level as described hereafter: • • with the encoder, select in the deafult screen the line related to the muting level • push the encoder to enter in edit mode • rotate the encoder to select the desired muting level •...
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RX1-NV LCD 6 External Description This chapter describes the different elements that can be seen on the front and rear panels of RX1-NV. 6.1 Front panel 5 6 7 Figure 6-1 [1] MPX MPX Output Monitor BNC connector [2] IF...
RX1-NV LCD 6.2 Rear panel 13 14 15 16 17 18 19 Figure 6-2 [1] PLUG mains plug with fuse and voltage changer [2] TELEMETRY DB25 female connector for telemetry signals [3] FAN fan for forced ventilation [4] RS232 DB9 female connector for direct or modem serial communication...
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RX1-NV LCD 6.3.2 Telemetry Type: DB25 female Standard version With alarms card options N.A. Signal level alarm N.A. Signal level alarm V Field (Analog O) V Field (Analog O) Reset CPU if grounded Reset CPU if grounded I2C SDA I2C SDA...
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RX1-NV LCD 7. Operating System The receiver’s control software structure is divided into a default menu and a series of administration menu (figure 7.1). One of the default menu items ([ADMIN]) permits to pass to the administration menus. Default menu...
RX1-NV LCD Exchange menu (“Exit”) This menu is the exchange point between the default menu and the administration menus set. When the user reaches this screen from the default menu using the [ADMIN] item, he will be warned to proceed only after reading the manual of the...
RX1-NV LCD UART ADR address of the RX1-NV (serial port and IIC protocol), selectable between 1 and 200. If the receiver is in a stand-alone configuration, the address has to be set to 1 BAUD RATE tranfert rate of the RX1-LCD serial port...
RX1-NV LCD Alarm In its standard configuration, the receiver has this menu, the connected submenus and the former Auto are not activated. The following explanation is related to receivers with activated automatic alarms management (see chapter 9.2). Using this menu, it’s possible to set the way the alarm system of the receiver intervenes.
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RX1-NV LCD Recover delay for the alarm to be cancelled (the level has to remain above the set level during the time defined by this variable before the alarm situation being cancelled) Rescue activates or deactivates the alarm. When the alarm is deactivated, the signal level that has been set will be used only by the audio exchange (or muting) function.
RX1-NV LCD 7.5.3 Stereo Alarm Stereo operation alarm setting. When this alarm is activated, the receiver will monitor the level of the pilot tone component in the demodulated signal, and an alarm situation will be signalled depending on the parameters set in this menu Figure 7-9 Lev.Min...
RX1-NV LCD When the software is visualizing this menu, the VU meters in the left part of the display show the items that are selected in the menu (when the software is in any othe menu, the VU-meters always show the modulation level). Note that when the software is in this menu, the audio and stereo alarms are momentarily inactive.
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RX1-NV LCD L Phase Left channel phase setting, normal (0) or inverted (180). R Phase Right channel phase setting, normal (0) or inverted (180). Audio Out setting of the stereo decoder output. The possible choices are L & R or (L+R)/2. In the first case, the decoder output will give the decoded...
RX1-NV LCD 8. Technical Specifications 8.1 Physical specifications Panel Size 483 mm (19”) x 88 mm (3 1/2”) (2 HE) Depth 377 mm Peso 10.7 Kg Temperature range -10 °C ÷ 50 °C 8.2 Electrical Specifications RF Section Frequency range 87.5 MHz ÷...
RX1-NV LCD 9. Internal Description 9.1 Modules Identification Figure 9.1 represents the upper view of the receiver. In the following the different modules are enumerated. Figure 9-1 [1] RF front-end [2] IF section 700 kHz [3] Stereo decoder board (option)
RX1-NV LCD 9.2 Configuration The RX1-NV can have different options and configurations. The device’s management software configures itself to correctly control the receiver on the basis of the presence or absence of some jumpers on the panel board: 12 ..1...
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RX1-NV LCD f) A 50 W coaxial cable terminated with a couple of "N" connectors, to link the output of the RF signal generator with the inpu of the receiver. g) A 50 W coaxial cable terminated with a "BNC" connector on one side, and a connector suitable for the signal input of the audio analyser on the other side.
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RX1-NV LCD Adjust all the trimmers so that the amplified signal reaches its maximum at the • desired frequency: you should operate on the trimmer controlling the result on the spectrum analyzer. Trimmers 1-4 reduce the tuned frequency when turned clockwise, while trimmer 5 shall be turned left or right depending on the case.
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Questa parte del manuale contiene i dettagli tecnici riguardanti la costruzione delle singole schede componenti il RX1-NV LCD. L’appendice è composta dalle seguenti sezioni: This part of the manual contains the technical details about the different boards of the RX1-NV LCD.
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76-90MHz version Questa parte del manuale contiene i dettagli tecnici riguardanti la costruzione delle singole schede componenti il RX1-NV LCD modificate per il funzionamento nella frequenze 76-90MHz. L’appendice è composta dalle seguenti sezioni: This part of the manual contains the technical details about the different boards of the RX1-NV LCD modified for the operation in 76-90MHz frequencies.
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