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R
MS-407
the Marine and RV Environment
Designed Specifically for
WITH AUTO REVERSE CASSETTE PLAYER
AM/FM STEREO RADIO
Owner’s Manual
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1 2 3 4 5 6 7 8 9 2 10 12 13 11 14 (Figure 1) FACEPLATE CONTROLS DIAGRAM
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1. POWER ON/OFF VOLUME Rotate the VOL/PWR knob to turn the power and increase the sound level. FADER CONTROL Rotate the Fader Control clockwise to shift the sound output towards the rear and counter- clockwise to shift the sound output towards the front speakers. The center indent position is for balancing the front and rear speaker output. EJECT BUTTON Press this button to stop the tape playback and resume radio operation; at the same time cassette tape will be ejected from the cass
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PROGRAM INDICATOR This indicator shows which direction the tape is being played, or direction of tape movement (Fast Forward or Rewind). LOCAL/DISTANT SELECTOR This switch allows maximum reception in both weak and strong AM/FM signal areas. Press this button to the “In” position for distant (or weak) signals reception. Press switch to the “Out” position for local (or strong) signal reception. AM/FM BAND SELECTOR Press to the “In” position for the FM band, and p
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MS-407 MS-407 5 MS-407 Figure 2 Wiring Diagram
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AM ANTENNA TRIMMER ADJUSTMENT The antenna trimmer can be reached through the small hole inside the cassette door (See diagram below) Tune radio to a weak station between 1200 and 1400 KHz AM. (If you cannot find a weak station in this range, tune to any strong station, and adjust tuning slightly off station). Adjust antenna trimmer for maximum output. 6
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CARE & MAINTENANCE SPECIFICATIONS Cassette Size: 7” (W) x 2” (H) x 6 5/8” (D) Always check that the tape is tightly wound inside the take-up spool on the cassette. If the tape is loose, wind it with a six-sided Operating Voltage: 12V DC, Negative ground pencil. Never use C-120 (120 minute) cassettes in this player. Output Power: Never use cassette player when the vehicle temperature is near Output Wiring:
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TROUBLESHOOTING AM/FM RADIOS Symptom Possible Solution No Power No 12VDC Check circuit fuse at source Check in-line fuse on power lead (wall mount units are located in rear cabinet) Power lead disconnected Ground connection Power indicated; No audio No 12VDC to memory lead Circuit fuse at source (electronically tuned units only) In-line memory lead fuse Speaker Output shorted Check continuity of speaker leads to ground Speaker out cross channeled Check for proper speaker wiring. Note: Radios hav
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APPLICATION NOTES AMPLIFIED AM/FM ANTENNA AM/FM RECEPTION A popular second antenna that can be used is Many vans and RV’s have more than one our AB-100 amplified AM/FM antenna. It is small AM/FM radio. The best way to insure good reception and has a retractable mast that can be mounted is to supply a separate antenna for each radio. Other vertically or horizontally. This antenna provides options available to supply adequate AM/FM reception good FM reception, but the AM reception will be to t
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Special circuitry in electronic tuned radios FM RECEPTION or AM trimmers in mechanically tuned radios, FM reception can be received with a very make up for some of this difference in optimum limited antenna and strong local FM stations can mast length for AM reception. be received without an antenna, depending on the circumstances. ANTENNA CABLE CONCLUSION Increasing the antenna lead cable (adding extensions) will reduce sensitivity of AM with AM/FM reception is subject to the choice of electron
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APPLICATION NOTES This note will discuss DC Power sources and how Voltage they relate to 12 volt DC audio/video products. The voltage of a fully charged battery (engine not running) is approximately 12.5 VDC. Once a load (items being powered represent the “load”) is A large number of our products are designed for applied, the voltage will drop. How much the 12 volt DC applications. The power is supplied by voltage is reduced will depend on the following: a variety of sources i.e., the battery
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In conclusion, operating these audio/video products without the engine running will drain the battery to the point where these products will Unwanted noise generated from the perform unacceptably in a short period of time. ignition systems used to be a big problem. However, with more sophisticated filtering circuits designed into audio/video products, these problems are not as wide spread. Changes in wire harnessing also has Many RV OEM’s incorporate converters as contributed to the decline of a
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Description Part Number AVT-988 9” Color Television with Remote (12V) AVT988 AVT-597 5” Color Television with Remote (12V) AVT597 AVT-1498 13” Color Television with Remote (12V) AVT1498 AVP-7000 Video Cassette Player (12V) AVP-7285 Video Cassette Player (12V) Wireless Headphone Kit: Includes 2 sets Wireless Headphones and Transmitter WRFKIT1 BPA-501-12 4 Amp Adapter for use with AVT-988 9” and AVT-1498 13” Televisions 0891412 AC2A- 2 Amp Adapter for use with AVT-597 5” TV and AVP-7000 Video Cass
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