Inter-m SYSTEM-2240G Operation Manual

Inter-m SYSTEM-2240G Operation Manual

Multi p.a combination
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Operation Manual
MULTI P.A COMBINATION
SYSTEM-2240G

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Summary of Contents for Inter-m SYSTEM-2240G

  • Page 1 Operation Manual MULTI P.A COMBINATION SYSTEM-2240G...
  • Page 2: Table Of Contents

    MULTI P.A COMBINATION Contents Contents Welcome Warning............................1 Unpacking ............................1 Installation Environment............................2 Important Safety Instructions......................2 Features ............................3 Accessories.............................3 Operation ............................3 Front Panel ............................4 Rear Panel .............................10 How to Use CD / MP3 Player ....................12 Operating the Cassette Deck ......................15 Cassette Maintenance ........................16 Application of The Antenna ......................18...
  • Page 3: Warning

    A personal welcome to you from the management and employees of Inter-M All of the co-workers here at Inter-M are dedicated to providing excellent products with inherently good value, and we are delighted you have purchased one of our products.
  • Page 4: Unpacking

    SYSTEM-2240G...
  • Page 5: Features

    When the power switch is pressed, this unit starts operation with tuner display. NOTE: The system’s operation is delayed by approximately three seconds after pressing the power switch. This is due to the built-in protection circuitry, designed to protect the speakers and other system components. SYSTEM-2240G...
  • Page 6: Front Panel

    (no cut or boost). Moving the slider upwards increases that frequency’s gain, while moving it down decreases the level of that frequency. 5. MONITOR SWITCH This switch controls the relative volume of the side-mounted monitor speaker. SYSTEM-2240G...
  • Page 7 Controls the level of Cassette Decks A and B output. Can also be used to control the record level when dubbing from deck A to deck B. 13. AUX VOLUME Controls the level of Aux 1 and Aux 2 inputs. SYSTEM-2240G...
  • Page 8 Depress this button to listen to the previous/next song on the disc. 10. DIRECTORY (REVERSE/FORWARD) This function is available only for MP3 discs. It allows for movement between file directories on an MP3 disc. Depress this button to move to the previous/next directory. SYSTEM-2240G...
  • Page 9 3. Press the MEMORY switch (5), then select the desired address with ADDRESS switch (3). 4. The present status of the tuner will be memorized in the selected address. 6. POWER SWITCH Pressing this switch to ON, will light and supply the power to this unit. SYSTEM-2240G...
  • Page 10 : Side A to Side B to STOP, Side B to STOP (tape stops when end of side B is reached). : Continuous Auto-Reverse (tape will continuously switch from Side A to Side B and back during playback). When in REC mode, tape will stop when end of Side B is reached. SYSTEM-2240G...
  • Page 11 14. HIGH-SPEED DUB SWITCH Pressing this switch will activate high-speed dubbing mode. Pressing the STOP switch on Deck A or Deck B will stop the unit. (See page 15) 15. NORMAL SPEED DUB SWITCH Pressing this switch will activate normal-speed dubbing mode. SYSTEM-2240G...
  • Page 12: Rear Panel

    Connect up to 10 individual speakers to this strip. Make certain that the total impedance load is less than the rated impedance, as shown below. MODEL Low Imp. Out High Imp. Out Impedance SYSTEM-2240G 4Ω 21Ω 41Ω 2.6Ω Voltage SYSTEM-2240G 100V 3.
  • Page 13 Connect an external source (CD player, video, mixer, etc.) to these inputs. 10. PREAMP OUTPUT This output provides line level output signal for connection to an external amplifier. 11. ANTENNA TERMINALS Connect external antenna here. FM: 75Ω coaxial cable antenna. AM: 300Ω loop antenna. SYSTEM-2240G...
  • Page 14: How To Use Cd / Mp3 Player

    6. In case of MP3, if you long-press switch for more than 1 second, message is display- D -- INT NO. SCAN ed, and the unit plays the beginning part of each file in the directory for 10 seconds. SYSTEM-2240G...
  • Page 15 5. This directory function works at a SCAN, REPEAT and RANDOM status while the unit is in a play or pause mode, and the directory name is displayed. If you move to other directory in a STOP mode, a directory name is not displayed but the number of the first song in a new directory is displayed. SYSTEM-2240G...
  • Page 16 1) if you press , # 13 song (# 1 song in directory 2) is displayed. DIRECTORY └ ▶ 2) if you press , # 23 song (# 1 song in directory 3) is displayed. ◀ ┘ D IRECTORY SYSTEM-2240G...
  • Page 17: Operating The Cassette Deck

    3. Insert a blank recordable tape into Deck B (To record, cover the window with cellophane tape). 4. Press DUB switch to record to a cassette tape. 5. Press stop switch on the Deck A or B to stop recording. SYSTEM-2240G...
  • Page 18: Cassette Maintenance

    If the tape has unraveled, insert a pencil or similar object into the sprocket and tighten to remove slack. (See Picture 1.) Wind the tape until it is even and tight with a pencil. Touching the surface of the tape with your finger will damage sound quality by transferring skin oils and dirt. (Picture 1) SYSTEM-2240G...
  • Page 19 Holding the tape with the opening facing down, the tab to the upper left corresponds to the side facing you. (See Picture 2.) *To remove the tap, push it down gently with a screwdriver. * To record again, cover the window with (Picture 2) cellophane tape. SYSTEM-2240G...
  • Page 20: Application Of The Antenna

    Install the vinyl-coated cable to an outdoor place if the AM reception is not good enough. - AM LOOP ANTENNA Connecting the feeder of the loop antenna of the terminal of 300Ω. Listening to the broadcasting, fix it after deciding the location and the direction so that the receipt condition may be optimum. SYSTEM-2240G...
  • Page 21: Connecting The Speakers

    Insert the Shorting Connector between the OPT IN and LOW IMP. OUT terminals. Connect each individual speaker as shown below. MATCHING MATCHING TRANS TRANS Be certain that the total combined impedance is not less than the unit’s rated impedance, as shown below: 100V SYSTEM-2240M 41Ω 21Ω 2.6Ω SYSTEM-2240G...
  • Page 22: Applications

    MULTI P.A COMBINATION Applications Applications PA-2312 PUBLIC ADDRESS POWER AMPLIFIER OUTPUT&PROTECTION POWER PROT CLIP -10dB -40dB SYSTEM-2240G...
  • Page 23: Block Diagrams

    MULTI P.A COMBINATION Block Diagrams Block Diagrams SYSTEM-2240G...
  • Page 24: Specifications

    MULTI P.A COMBINATION Specifications Specifications SYSTEM-2240G Rated Output (T.H.D 1%) 240W Input Sensitivity 1mV / 20kΩ / Impedance 300mV/20kΩ Frequency 64Hz ~ 32kHz (120Hz ~ 10kHz) Response 30Hz ~ 30kHz (120Hz ~ 15kHz) T.H.D 0.18% (Less than 1.0%) 0.06% (Less than 1.0%)
  • Page 25: Procedures

    To obtain specific warranty information and available service locations contact Inter-M directly or the authorized Inter-M Distributor for your specific country or region.
  • Page 26 NOTE...
  • Page 27 Inter-M, Ltd. (Korea) began operations in 1983. Since then, Inter-M has grown to become one of the largest manufacturers of professional audio and commercial sound electronics equipment in the world. Inter-M has gained worldwide recognition for its own branded products, as well as private label manufacturing of electronics sold under other names (OEM).

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