- DIGITAL AUDIO TAPE RECORDER DX-7 m INSTRUCTION MANUAL KENWOOD CORPORATION For your records Record the serial number, found bottom of the unit in the spaces designated on the warranty card, and in the space provided below. Refer to the model and serial ~umbers whenever you call your dealer for information or service on this product. 
- Unpacking Unpack the unit carefully and make sure that all accessories and cables are put aside so they will not be lost. Examine the unit for any possibility of shipping damage. If your unit is damaged or fails to operate, notify your dealer immediately. If your unit was shipped to you directly, notify the shipping company without delay. Only the consignee (the person or company receiving the unitl can file a claim against the carrier for shipping damage. 
- Precautions for use To maintain the high performance and reliability of this unit, avoid using or storing it in the following conditions. • Dusty places. • Places exposed to direct sunlight, especially in a closed car . • Near heat sources such as stoves, etc. • Extremely cold places. • Condensation (dew) • In moist, humid locations or when the room temperature rises quickly such as right after turning on a heater, condensation may form inside the unit, preventing the unit from operating normally. 
- Use of OAT cassette tapes • • • • • Tapes cannot be turned over and played on the other side. Tapes are manufactured with a sealed construction. Do not try to forcefully open the tape cover or pull the tape from the case, and never attempt to disassemble the tape case. Do not repeatedly insert and remove a tape without playing or recording the tape. The tape may become slack or damaged. After use, completely rewind the tape and store it properly. 
- • OAT tape recording system Tape running direction PCM audio signals Subcode area DX-7 5 
- Controls, connectors and indicators ® ® @ ®@® @® @ @ , f- 'V- El"S -:tR, , , PLAY/RE EAT ST , 0' , 'I ,-,. 
- CD Cassette holder ® KEY HOLD/TIMER switch @ POWER switch *0 VOLUME control knob ® ® DC IN jack Threaded hole for accessory attachment (j) System connection jack ® Accessory attachment guide hole ® STOP/EJECT button *@) PLAY/REPEAT button ® Total elapsed time display ® [ C] Repeat indicator @ [ ~ ] Play indicator Keys marked with an asterisk" controller. 
- Power source • How to use the unit with the supplied AC adaptor • • Insert the plug of the AC adaptor into the [DC IN] jack on the main unit's rear panel, then connect the power plug to a household AC power outlet. Always set the [POWER] switch to OFF before connecting the AC adaptor. When disconnecting the AC adaptor as well, be sure to first turn the [POWER] switch OFF. (Not doing so may damage the tape or rotating heads.) ~ o/. 
- • Using rechargeable batteries Use the separately sold AID converter (BP-A7). • Align the AID converter with the main unit's accessory attachment guide hole and attach. Secure the AID converter in place using the accessory attachment screw. • Always turn the [POWER] switch OFF before inserting/removing batteries or making connections. 
- Connections • Headphone connection • • • Connect separately sold headphones (use headphones equipped with a 3.5 mm diameter stereo IREMOTE] jack or the remote controller's [PHONES] jack. miniplug) to the main unit's [ Always turn the volume down before plugging or unplugging the headphones. Sound volume adjustment Adjustment using the main unit: Set the remote controller's [VOLl control to maximum and adjust the volume using the main unit's [VOLUME] control. 
- • Connection to a component equipped with digital 1/0 jacks (coaxial) • • • • Turn off the power to both the amplifier and this unit before making connections. Using the supplied digital connection cord, connect the 4-pin miniplug to this unit's [DIGITAL 1/0] terminal. Connect the red plug to the component's (amplifier, etc.) coaxial input jack and connect the white plug to the coaxial output jack. Make sure the plugs are inserted securely. Improper connection may cause sound dropouts or noise. 
- • Connection to an amplifier's analog input jacks • • • Turn off the power to both the amplifier and this unit before making connections. I Using the supplied analog connection cord, connect the 3-pin miniplug to this unit's [ REMOTE] terminal. Connect the other end of the cord to the amplifier's external input jacks (AUX jacks, TAPE PLAY jacks, etc.). Connect the red plug to the "R" (right channel) input jack and the white plug to the "L" (left channell input jack. 
- • Connection for analog recording Use the separately sold AID converter (BP-A7). • Turn off the power to both the amplifier and this unit before making connections. • Connect the AID converter unit (supplied in the BP-A71 to this unit. • Connect the AID converter unit's [MIC/LINE IN] jack to an amplifier's [TAPE REC] jacks or a stereo microphone. • Connect the AID converter unit's [LINE OUT] jack to an amplifier's external input jacks (AU X jacks, TAPE PLAY jacks, etc.). 
- Key Hold function Setting this function prevents incorrect operation of the unit even if an operation button is accidentally pressed. • • • 14 DX-7 When you set the main unit's [KEY HOLD/TIMER] switch to "HOLD", the unit ignores any button operation. When you set the remote controller's [HOLD] switch to the " . " position (so that the white indicator appears). operation of any of the remote controller's buttons is ignored. 
- To playback a OAT cassette (Basic operation) First load a tape into the unit (see page 141. Operation is possible with ei!her the main unit or the remote controller. • To playa tape • • • Press the [PLAY/REPEAT] button. Tapes recorded in extended play mode cannot be played. If you attempt to play such a tape, "NO PLAY" appears on the display. If the playback position is in the middle of a tune when the tape is loaded, the tune number for that tune will not be displayed. 
- • To fast-forward or rewind the tape • • In stop mode, press the [FF/CUE] button to fast-forward the tape and press the [REW/REVIEWl button to rewind the tape. Auto Rewind function: When the last tune on the tape finishes playing, the tape automatically rewinds to the beginning and then stops. The same operation occurs even if an END-ID is recorded. (See page 23. 
- • Cue/Review function This function allows you to fast-forward (cue) or rewind (review) while listening to the tape sound. • To cue, press the [PAUSE] button and then press the [FF/CUE] button. • To review, press the [PAUSE] button and then press the [REW/REVIEW] button. • When you reach the location you want to listen to, press the [PLAY/REPEAT] button. • Repeat play " -, u.:J This function repeatedly plays the entire tape from the first tune to the last. 
- Digital recording First load a tape into the unit (see page 14). Operation is possible with either the main unit or the remote controller. "" ~II 18 rl I LI I DX-7 .- 11.1111 LILI U'LILI ST·ID mill • 11.11 -, ULI :J Connect the unit (See page 11.) • Press the [REC] button. When starting recording from the beginning of the tape, the unit automatically creates a 5-second blank section and then enters record-standby mode. • Press the [PLAY/REPEAT] button to start recording. 
- Analog recording Use the separately sold AID converter (BP-A7), First load a tape into the unit (see page 14), Operation is possible with either the main unit or the remote controller, Connect the unit, (See page 13) Set the [MIG/LINE IN] switch to "LINE" when recording from a LINE input or to "MIG" when recording from a microphone. • • 1[1[/:: ~II I~ • ~~I~dB~I~-~5~O~24~'~2~3~O"'V"'ER~ • • MIC (ATT] OdB 20dB LINE • l'fino) +-+ " '_" 'ST.ID [jjg] .. • Press the [REG] button. 
- Stopping/pausing recording • Operation is possible with either the main unit or the remote controller. • To pause recording • Press the [PAUSE] button. If five minutes elapse in pause mode, the rotating head moves away from the tape to protect the tape. (The REC indicator blinks.1 • To stop without recording an END-ID (See page 26) • Press the [STOP/EJECT] button or press the remote controller's [STOP] button . 
- Timer recording/Timer playback • • Before connecting the timer, insert a tape into the unit. When carrying out timer recording, make sure the accidental erasure protection "slide door" of cassette tape (page 41 is closed to the right side . • Timer recording o Set the [KEY HOLDITIMER] switch to "REC", then fJ set the [POWER] switch to "TIMER" . • Timer playback o • • • Set the [KEY HOLDITIMER] switch to "PLAY", then fJ set the [POWER] switch to "TIMER". 
- seMS SCMS (Serial Copy Management System) SCMS is a new standard which allows you to make only first generation copies of digital sources (CD, etc.) which contain a copy prohibition code. Copy prohibition code Sources which contain a copy prohibition code include the following: COs and some commercially available OAT music tapes. When carrying out analog recording ~ I t~Ok(Oyll ~ • FM tuner ~ • OAT tape o g (15t generation) • Other n. 
- Subcodes With OAT tapes. in addition to the recorded music signal. various subcodes are recorded on the tape to aid in music selection and editing. With commercially available OAT music tapes. subcodes are prerecorded on the tapes. With blank tapes that you record yourself. subcodes are automatically recorded during recording and can also be recorded manually during editing. • ST-IO (Start 10) This signal is recorded at the beginning of each tune. 
- Subcode editing • To manually write a ST-ID during recording • In situations such as when recording an audio source that has no space between tunes, you can manually write ST -IDs in the appropriate locations while recording is being carried out. • • • After writing a ST-ID, you must wait at least 9 seconds before writing the next ST-ID. You cannot write more than 99 tune numbers. If no tune number is displayed, writing a ST-ID will not switch to the next tune number. 
- • To erase an unnecessary ST-ID from a recorded tape • If the tune number changes at a place other than between two tunes. an unnecessary ST-10 is written on the tape. Erase the ST-ID using the following procedure. • The unit enters pause mode after the unnecessary ST-ID. • The tape automatically rewinds to the beginning of the unnecessary ST-ID. The ST -lOis erased and then playback continues. Unnecessary ~sttune m) I ~ndtu::ll • r+-+J (PAUSE) l.~(R~G) /1-' !...J~I B:" leI "-,,.,. 
- • To write an END-ID on a recorded tape • If a tape was stopped at the end of a recording without writing an END-ID, you can use the following procedure to write the necessary END-ID. Play the tape and press the ISTOPI button at the end of the recording. Verify that the'total elapsed time is still shown on the display. '~iliC::: ,oc:::: ::,,' "" • ,-' ='·C for at least 2 seconds. • the AID converter attached and with nothing connected to the [D[G[TAL [/0] jack. 
- Cleaning • • • • • Cleaning the cabinet Clean the cabinet by wiping with a dry cloth. If an area is particularly dirty and cannot be cleaned well with a dry cloth, wipe the area with a cloth dampened with water, then wipe dry with a dry cloth. (Do not use benzene, thinner, or other chemicals.1 Always keep terminals and plugs clean. Cleaning the head If the head becomes dirty or covered with dust, sound dropouts or noise may occur. 
- Specifications DAT rotating head system 8.15 mm/sec 48 kHz/44.1 kHz/32 kHz 16 bits, linear 5-22,000 Hz (EIAJI (for digital recording I 90 dB or greater (EIAJI 90 dB or greater (EIAJI Below measurable limit (EIAJ) Coaxial: 3.5 mm diameter 4-pin minijack Headphone: 3.5 mm diameter stereo minijack External power supply input: (OC6VI x 1 Terminal for connecting separately sold AID converter BP-A7 Battery life (continuous use) ......... Approx. 1.