3-865-605-14(1)
Mini Hi-Fi
Component
System
Operating Instructions
Owner’s Record
The model and serial numbers are located on the rear panel. Record the serial number in the space provided below. Refer to them whenever you call upon your Sony dealer regarding this product.
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Model No. _______________ |
Serial No. _______________ |
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MHC-GRX9900 / GRX70 / GRX70J MHC-GRX50 / R770
MHC-RXD9 / RXD80 MHC-RXD7
©1999 by Sony Corporation |
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WARNING
To prevent fire or shock hazard, do not expose the unit to rain or moisture.
To avoid electrical shock, do not open the cabinet. Refer servicing to qualified personnel only.
Do not install the appliance in a confined space, such as a bookcase or built-in cabinet.
This appliance is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT MARKING is located on the rear exterior.
NOTICE FOR THE CUSTOMERS IN THE U.S.A.
This symbol is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
This symbol is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.
CAUTION
The use of optical instruments with this product will increase eye hazard.
INFORMATION
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
–Reorient or relocate the receiving antenna.
–Increase the separation between the equipment and receiver.
–Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
–Consult the dealer or an experienced radio/TV technician for help.
CAUTION
You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment.
NOTICE FOR THE CUSTOMERS IN CANADA
CAUTION:
TO PREVENT ELECTRIC SHOCK, DO NOT USE THIS POLARIZED AC PLUG WITH AN EXTENSION CORD,
RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE.
This stereo system is equipped with the Dolby B- type noise reduction system*.
* Manufactured under license from Dolby Laboratories Licensing Corporation. DOLBY and the double-D symbol aare trademarks of Dolby Laboratories Licensing Corporation.
2
Table of Contents |
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Getting Started |
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Step 1: Hooking up the system ............ |
5 |
Step 2: Setting the time ......................... |
7 |
Step 3: Presetting radio stations .......... |
8 |
Saving the power in standby mode ... |
10 |
Basic Operations |
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Playing a CD ......................................... |
11 |
Recording a CD .................................... |
13 |
Listening to the radio ........................... |
14 |
Recording from the radio .................... |
15 |
Playing a tape ........................................ |
16 |
Recording from a tape ......................... |
18 |
The CD Player |
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Using the CD display ........................... |
19 |
Playing the CD tracks repeatedly ...... |
20 |
Playing the CD tracks in random |
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order ............................................... |
21 |
Programming the CD tracks ............... |
22 |
Playing CDs without interruption ..... |
23 |
The Tape Deck |
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Recording on a tape manually ........... |
24 |
Recording a CD by specifying track |
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order ................................................ |
25 |
DJ Effects |
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Looping part of a CD ........................... |
27 |
Flashing part of a CD ........................... |
27 |
Sound Adjustment |
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Adjusting the sound ............................ |
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28 |
Selecting the audio emphasis |
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29 |
Changing the spectrum analyzer |
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display ............................................. |
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31 |
Selecting surround effects ................... |
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31 |
Adjusting the graphic equalizer ......... |
32 |
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Making a personal audio emphasis file |
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33 |
Other Features |
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Using the Radio Data System (RDS)* 34 |
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Singing along: Karaoke ...................... |
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36 |
Falling asleep to music ........................ |
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38 |
Waking up to music ............................. |
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39 |
Timer-recording radio programs ....... |
40 |
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Optional AV components |
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Connecting audio components .......... |
41 |
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Connecting a VCR ................................ |
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43 |
Connecting the surround speakers .... |
43 |
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Connecting outdoor antennas ............ |
44 |
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Additional Information |
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Precautions ............................................ |
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45 |
Troubleshooting ................................... |
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46 |
Specifications ........................................ |
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49 |
Parts identification ............................... |
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54 |
Index ........................................ |
Back cover |
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* European model only |
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3
Using this manual
The instructions in this manual are for MHC-GRX9900/GRX70/GRX70J/GRX50/R770/RXD9/ RXD80/RXD7. The MHC-RXD80 is the model used for illustration purposes. Otherwise, the model name is indicated in the illustrations. The shape of the buttons on the MHC-GRX9900/ RXD9 is different from that of the MHC-GRX70, but the locations of the buttons are the same. Any differences in operation are clearly indicated in the text, for example,
“MHC-GRX70 only” or “Europearn model only”.
MHC-GRX70/GRX70J/GRX50/R770/ MHC-GRX9900/RXD9 RXD80/RXD7
*
* This part of the MHC-GRX50/R770/RXD7 is different from other models as below:
MHC-GRX50/R770/RXD7 |
MHC-GRX70/GRX70J/RXD80 |
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EDIT |
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MHC-GRX9900/RXD9 |
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FILE |
GEQ |
P FILE |
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DIRECTION |
REPEAT |
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TUNER MEMORY |
STEREO/MONO |
EFFECT SELECT CONTROL MEMORY |
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PLAY MODE |
FILE |
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DOLBY NR |
SELECT |
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PTY** |
EDIT |
PLAY MODE |
REPEAT |
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DIRECTION |
DOLBY NR |
STEREO/MONO |
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TUNER MEMORY |
PTY** |
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** “PTY” is for European model only.
4
Getting Started
Step 1: Hooking up the system
Do the following procedure 1 to 4 to hook up your system using the supplied cords and accessories.
AM loop antenna
FM antenna
2 |
1 |
Front speaker (Right)
1Connect the speakers.
Connect the speaker cords of front speakers to the SPEAKER jacks as below. For the front speakers with jacks, connect the speaker cords to the speakers in the same way.
Insert only the stripped portion.
R
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+ |
L |
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+ |
Red/ |
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– |
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Solid (‘) |
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Black/ |
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Stripe (’) |
3
4
Front speaker (Left)
Notes
•Keep the speaker cords away from the antennas to prevent noise.
•The type of speakers supplied vary according to the model you purchased (see “Specifications” on page 52).
continued
5
Step 1: Hooking up the system (continued)
2Connect the FM/AM antennas.
Set up the AM loop antenna, then connect it.
Jack type A
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Extend the FM lead |
AM loop antenna |
antenna horizontally. |
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FM75 |
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AM |
Jack type B
Extend the FM lead antenna horizontally.
AM loop antenna
FM75
COAXIAL
AM
3For models with a voltage selector, set VOLTAGE SELECTOR to position of your local power line voltage.
VOLTAGE SELECTOR
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- |
230 |
240V |
120V |
220V |
4Connect the power cord to a wall outlet.
The demonstration appears in the display. When you press 
, the system turns on and the demonstration automatically ends.
If the supplied adapter on the plug does not fit your wall outlet, detach it from the plug (only for models equipped with an adapter).
To connect optional AV components
See page 41.
To deactivate the demonstration
When you set the time (Step 2: Setting the time), the demonstration is deactivated.
To activate/deactivate the demonstration again, press DISPLAY (MHC-RXD9/RXD80/ RXD7/R770) or DEMO (STANDBY) (MHC-GRX9900/GRX70/GRX70J/GRX50) while the system is off.
6
To attach the front speaker pads
Attach the supplied front speaker pads to the bottom of the speakers to stabilize the speakers and prevent them from slipping.
Inserting two size AA (R6) batteries into the remote
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Tip
With normal use, the batteries should last for about six months. When the remote no longer operates the system, replace both batteries with new ones.
Note
If you do not use the remote for a long period of time, remove the batteries to avoid possible damage from battery leakage.
When carrying this system
Do the following to protect the CD mechanism.
1Press FUNCTION repeatedly until “CD” appears in the display.
2Hold down LOOP and press 
so that “LOCK” appears in the display.
Step 2: Setting the time
You must set the time before using the timer functions.
The clock is on a 24-hour system for the European model, and a 12-hour system for other models.
The 24-hour system model is used for illustration purposes.
DISPLAY |
2,4 3,5 |
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1 |
1 Press CLOCK/TIMER SET.
The hour indication flashes.
2 Turn the jog dial to set the hour.
continued
7
Step 2: Setting the time (coninued)
3 Press ENTER/NEXT.
The minute indication flashes.
4 Turn the jog dial to set the minute.
5 Press ENTER/NEXT.
The clock starts working.
Tip
If you’ve made a mistake, start over from step 1.
To change the time
The previous explanation shows you how to set the time while the power is off. To change the time while the power is on, do the following:
1Press CLOCK/TIMER SET.
2Turn the jog dial to select SET CLOCK.
3Press ENTER/NEXT.
4Perform steps 2 through 5 above.
Note
The clock settings are canceled when you disconnect the power cord or if a power failure occurs.
Step 3: Presetting radio stations
You can preset the following number of stations:
–2 band model: 20 for FM, 10 for AM.
–3 band model: 20 for FM, 10 for MW, and 10 for SW, or 20 for FM, 10 for AM and 5 for UKV, depending on the model you purchased.
(Power) |
Jog dial |
4 |
1 |
3 2
8
1 Press TUNER/BAND repeatedly until the band you want appears in the display.
The bands you can receive vary depending on the model you purchased. Be sure to check which bands you can receive.
Every time you press this button, the band changes as follows:
2 band model: FM ˜AM
3 band model:
FM nMW nSW n
or
FM nAM nUKV* n
*“STEREO PLUS” is displayed when you select UKV.
2 Press and hold + or – until the frequency indication starts to change, then release.
Scanning stops when the system tunes in a station. “TUNED” and “STEREO” (for a stereo program) appear.
3 Press TUNER MEMORY.
A preset number appears in the display. The stations are stored from preset
number 1.
Preset number
4 Press ENTER/NEXT.
The station is stored.
5 Repeat steps 1 to 4 to store other stations.
To tune in a station with a weak
signal
Press + or – repeatedly in step 2 to tune in the station manually.
To set another station to the exist preset number
Start over from step 1. After step 3, turn the jog dial to select the preset number you want to store the other station.
You can add a new preset number after the last preset number.
To erase a preset station
1Keep pressing TUNER MEMORY until a preset number appears in the display.
2Turn the jog dial to select the preset number you want to erase.
Select “ALL ERASE” when you want to erase all the preset stations.
3Press ENTER/NEXT. “COMPLETE” appears.
When you erase a preset number, the preset number decreases by one and all preset numbers following the erased one are renumbered.
To change the AM tuning interval
(Except for the European and Middle Eastern models)
The AM tuning interval is factory set to 9 kHz (10 kHz in some areas). To change the AM tuning
interval, tune in any AM station first, then turn off the power. While holding down the ENTER/NEXT button, turn the power back on. When you change the interval, AM preset stations will be erased. To reset the interval, repeat the same procedure.
Tip
The preset stations are retained for half a day even if you unplug the power cord or if a power failure occurs.
9
Saving the power in standby mode
(For MHC-RXD9/RXD80/RXD7/R770)
You can lower the power consumption to a minimum (Power Saving Mode) and save energy in the standby mode.
POWER SAVE
(Power) /DEMO
DISPLAY
/Press POWER SAVE/DEMO when the power is off.
The system switches to the Power Saving Mode and the clock display disappears. The system is powering on/off by pressing 
.
Tips
•Each time you press POWER SAVE/DEMO in the Power Saving Mode, the display switches between the Power Saving Mode and the demo mode.
•
indicator and timer indicator (when the timer is set) light up even in the Power Saving Mode.
•The timer works in the Power Saving Mode.
Notes
•You cannot set the time in the Power Saving Mode.
•One Touch Play function does not work in the Power Saving Mode.
To cancel the Power Saving Mode
Press DISPLAY.
The clock display appears.
10
Basic Operations
Playing a CD
— Normal play
You can play up to three CDs in a row.
DISC SKIP/
EX-CHANGE
(Power) p 2 (PCD 1
PLAY = + 0) VOLUME MODE
CD ( P p
= + 
0)
VOL +/–
1 Press §and place up to two CDs on the disc tray.
If a disc is not placed properly it will not be recognized.
With the label side up. When you play a single CD, place it on the inner circle of the tray.
To insert a third disc, press DISC SKIP/ EX-CHANGE to rotate the disc tray.
2 Press one of the DISC 1~3 buttons.
The disc tray closes and play starts.
If you press CD (P(or CD (on the remote) when the disc tray is closed, play starts from the CD loaded on the tray whose button is lit green.
Track number Playing time
Disc tray number
continued
Operations Basic
11
Playing a CD (continued)
To |
Do this |
Stop play |
Press p. |
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Pause |
Press CD (P(Pon the |
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remote). Press again to resume |
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play. |
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Select a track |
During play or pause, turn the |
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jog dial clockwise (to go |
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forward) or counterclockwise |
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(to go back) and release it |
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when you reach the desired |
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track. (Or press +(to go |
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forward) or =(to go back) |
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on the remote.) |
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Find a point in |
Press and hold down )or |
a track |
0during play and |
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release it at the desired point. |
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Select a CD |
Press a DISC 1~3 button or |
in stop mode |
DISC SKIP/EX-CHANGE. |
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Play only the |
Press PLAY MODE |
CD you have |
repeatedly until “1 DISC” |
selected |
appears. |
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Play all CDs |
Press PLAY MODE repeatedly |
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until “ALL DISCS” appears. |
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Remove the CD |
Press §. |
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Exchange other |
Press DISC SKIP/ |
CDs while |
EX-CHANGE. |
playing |
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Adjust the |
Turn VOLUME (or press VOL |
volume |
+/– on the remote). |
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Tips
•Pressing CD (Pwhen the power is off automatically turns the power on and starts CD playback if there is a CD in the tray (One Touch Play). When the system is in the Power Saving Mode, the One Touch Play function does not work.
•You can switch from another source to the CD player and start playing a CD just by pressing CD (Por the DISC 1~3 buttons (Automatic Source Selection).
•If there is no CD in the player, “CD NO DISC” appears in the display.
•When a disc tray holding a CD is selected (or playing), the DISC 1~3 button for that tray lights green. When a disc tray holding a CD is not selected, the DISC 1~3 button for that tray lights orange. When all disc trays are empty, the DISC 1~3 buttons all light green.
12
Recording a CD
— CD Synchro Recording
The CD SYNC button lets you record from a CD to a tape easily. You can use TYPE I (normal) or TYPE II (CrO2) tapes. The recording level is adjusted automatically.
DISC SKIP/
EX-CHANGE
(Power) |
DOLBY NR |
CD |
2 |
(P |
4 |
p 5 3 1 |
1 Press §and insert a recordable tape into deck B.
With the side you want to record facing forward
2 Press §and place a CD.
Then press again to close the disc tray. If the indicator for the tray you want to record is not lit green, press DISC SKIP/ EX-CHANGE repeatedly so that it lights green.
With the label side up. When you play a single CD, place it on the inner circle of the tray.
3 Press CD SYNC.
Deck B stands by for recording and the CD player stands by for playback. The indicator on TAPE B ((for front side) lights up.
4 Press DIRECTION repeatedly to select Ato record on one side. Select ß(or RELAY) to record on both sides.
5 Press REC PAUSE/START.
Recording starts.
To stop recording
Press p.
Tips
•If you want to record from the reverse side, press TAPE B 9to light its indicator after pressing CD SYNC.
•When you record on both sides, be sure to start from the front side. If you start from the reverse side, recording stops at the end of the reverse side.
•When you want to reduce the hiss noise in lowlevel high-frequency signals, press DOLBY NR so that “DOLBY NR” appears after pressing CD SYNC.
Note
You cannot listen to other sources while recording.
Operations Basic
13
Listening to the radio
–– Preset Tuning
Preset radio stations in the tuner's memory first (see “Step 3: Presetting radio stations”).
(Power) |
2 |
1 |
1 Press TUNER/BAND repeatedly until the band you want appears in the display.
The bands you can receive vary depending on the model you purchased. Be sure to check which bands you can receive.
Every time you press the button, the band changes as follows:
2 band model: FM ˜AM
3 band model:
FM nMW nSW n
or
FM nAM nUKV* n
* “STEREO PLUS” is displayed when you select UKV.
STEREO/MONO VOLUME
TUNER/BAND
= +
2 Turn the jog dial (or press =or +on the remote) to tune in the desired preset station.
Turn counter- |
= |
+ |
Turn clockwise |
clockwise |
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(or press + |
(or press = |
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on the remote) |
on the remote) |
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for higher |
for lower preset |
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preset numbers. |
numbers. |
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Preset number* |
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Frequency |
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*When only one station is preset, “ONE PRESET” appears in the display.
To |
Do this |
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Turn off the radio |
Press |
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Adjust the volume |
Turn VOLUME (or press |
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VOL +/– on the remote). |
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VOL +/–
14
To listen to non-preset radio stations
Use manual or automatic tuning in step 2. For manual tuning, press + or – repeatedly. For automatic tuning, press and hold + or –.
Tips
•Pressing TUNER/BAND when the power is off automatically turns the power on and tunes to the last received station (One Touch Play). When the system is in the Power Saving Mode, the One Touch Play function does not work.
•You can switch from another source to the radio just by pressing TUNER/BAND (Automatic Source Selection).
•When an FM program is noisy, press STEREO/MONO so that “MONO” appears in the display. There will be no stereo effect, but the reception will improve. Press the button again to restore the stereo effect.
•To improve broadcast reception, reorient the supplied antennas.
Recording from the radio
You can record the radio program on a tape by calling up a preset station. You can use TYPE I (normal) or TYPE II (CrO2) tapes. The recording level is automatically adjusted.
(Power) |
DOLBY NR |
1 |
Operations Basic
5 |
2 p 4,6 3 |
1 Press TUNER/BAND to select the band you want.
2 Turn the jog dial to tune in a preset station.
Turn counter- |
= |
+ |
Turn clockwise |
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clockwise for |
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for higher |
lower preset |
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preset numbers. |
numbers. |
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Preset number |
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Frequency |
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continued
15
Recording from the radio (continued)
3 Press §and insert a recordable tape into deck B.
With the side you want to record facing forward
4 Press REC PAUSE/START.
Deck B stands by for recording.
5 Press DIRECTION repeatedly to select Ato record on one side. Select ß(or RELAY) to record on both sides.
6 Press REC PAUSE/START.
Recording starts.
Playing a tape
You can use any type of tape, TYPE I (normal), TYPE II (CrO2) or TYPE IV (metal) , since the deck automatically detects the tape type. You can also use the jog dial’s AMS functions to quickly search for songs you want to hear. To select either deck A or B, press DECK A (or DECK B (on the remote.
(Power) |
3 |
p |
To stop recording
Press p.
Tips
•If you want to record from the reverse side, press TAPE B 9to light its indicator after pressing REC PAUSE/START in step 4.
•When you record on both sides, be sure to start from the front side. If you start from the reverse side, recording stops at the end of the reverse side.
•To record non-preset stations, use + and – in step 2 to tune in the desired station manually.
•When you want to reduce the hiss noise in lowlevel high-frequency signals, press DOLBY NR so that “DOLBY NR” appears after pressing REC PAUSE/START in step 4.
•If noise is heard while recording from the radio, move the respective antenna to reduce the noise.
1 |
DOLBY |
0) VOLUME 1 |
NR |
2 =+
p
= +
0)
DECK A (
DECK B (
VOL +/–
16
1 Press §and insert a recorded tape in deck A or B.
With the side you want to play facing forward
2 Press DIRECTION repeatedly to select Ato play one side. Select ß* to play both sides.
To play both decks in succession, select RELAY (relay play).**
3 Press TAPE A (or TAPE B) ( (DECK A (or DECK B) (on the remote).
Press TAPE A (or TAPE B) 9to play the reverse side. (Press DECK A (or DECK B) (again on the remote to play the reverse side.) The tape starts playing.
*The deck stops automatically after repeating the sequence five times.
**Relay play always follows the following sequence:
Deck A (front side), Deck A (reverse side), Deck B (front side), Deck B (reverse side).
To |
Do this |
Stop play |
Press p. |
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Fast-forward |
Press 0or ). |
Rewind |
Press 0or ). |
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Remove the cassette |
Press §. |
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Adjust the volume |
Turn VOLUME (or press |
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VOL +/– on the remote). |
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Tips
•Pressing TAPE A (or TAPE B) (or 9when the power is off automatically turns the power on and starts tape playback if there is a tape in the deck (One Touch Play). When the system is in the Power Saving Mode, the One Touch Play function does not work.
•You can switch from another source to the tape deck just by pressing TAPE A (or TAPE B) (or 9(Automatic Source Selection).
•When you want to reduce the hiss noise in lowlevel high-frequency signals, press DOLBY NR so that “DOLBY NR” appears.
Searching for the beginning of a track (AMS*)
During playback, turn the jog dial the same direction as the 9or (indicator to go forward. Turn the opposite direction to go back. (Or press =or +on the remote.)
The search direction, + (forward) or – (back), and number of songs being skipped (1~9) appear in the display.
Example: searching forward 2 songs
* AMS (Automatic Music Sensor)
Notes
The AMS function may not operate correctly under the following circumstances:
–When the unrecorded space between songs is less than 4 seconds long.
–If completely different information is recorded on the left and right channels.
–When there are continuous sections of extremely low level or low frequency sound (like those of a baritone sax).
–When the unit is placed near a television. (In this case, we recommend moving the unit farther away from the television or turning off the television.)
Operations Basic
17
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