YDC520 (d).qx 11/6/96 12:02 Page 11
Operation
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tions. Power On/Off is NOT controlled viathat is specifically approved for use onCare of Tapes
the remote system.rubber rollers. 1. Store cassettes in their cases, in a loca-
tion away from direct sunlight, excessive
MaintenanceDemagnetization
heat and high humidity.
Tape heads and other internal parts will
Cleaning the Tape Heads
gradually pick up magnetic fields that2. Avoid placing a tape near a television
Tape heads should be cleaned periodical-
may add noise to your recordings or pos-set or loudspeaker. Their magnetic fields
ly to remove tape particles which gradu-
sibly cause partial erasure of recordedmay partially erase the material on a
ally build up on the heads during
tapes. To prevent this problem, taperecorded tape.
normal use. This dirt will impair sound
heads should periodically be demagne-
quality and may cause increase tape3. To avoid accidental erasure of the
tized using either of two devices:
head wear. Tape heads may be cleaned inmaterial on a cassette, remove the two
one of two ways:1. A battery powered demagnetizer is eas-small square tabs located on the top
iest to use. In the shape of a tape cassette,edges of the cassette. When these tabs are
1. Use a commercial tape cleaning cas-
it simply needs to be inserted into theremoved the tape may not be used for
sette. A wide variety of these products is
transport. Carefully follow the manufac-recording. To record on a tape that has
available from your dealer. Carefully fol-
turerOs instructions to insure properpreviously had the protection tabs
low the instructions in the cleaning kit to
results.removed, carefully cover the small holes
avoid damage to your DC520.
with adhesive tape.
2. Hand held, AC powered, demagnetizers
2. Remove the cassette from the transport
are more effective as they generate4. Do not use old cassettes whose internal
to be cleaned. Slightly dampen a cotton
stronger fields. Consult your dealer fortape reels no longer move smoothly. If
swab with isopropyl alcohol or the tape
information on this type of unit and beyou hear unusual noises during tape
head cleaning solution available from
certain to follow the instructions carefully.motion it is wise to discard the tape to
many dealers. Gently rub the exposed
When using this type of unit be certain toprevent jams or damage to your
surfaces of each head. Use a second
keep it away from prerecorded tapes whenmachine.
moistened swab to clean other metal sur-
it is turned on, as it may erase them.
faces that may be coated with tape
residue such as guide pins. Be careful to
keep the swab away from rubber rollers
unless you are using a cleaning liquid
Specifications
Track System:4 Track, 2 Channel StereoFast Wind Time:110 seconds for C-60
Tape Speed:Normal Play/Record: 17�8 ips (4.76 cm/sec) Line Input:97 mV, 50K ohms
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High Speed Copy: 3�4 ips (9.5 cm/sec)Line Output:0.52 V for 50K ohm load
Wow and Flutter (WRMS): 0.06%Headphone Impedance: 8 ohms
Frequency Response (Overall, �20 dB)Dimensions (W x H x D)17.4 x 5.8 x 11.2 inches
Metal Tape:25Hz�19Khz442 x 147 x 284 mm
Chrome Tape:25Hz�18KhzWeight10.14 lbs / 4.6 kg.
Normal Tape:25Hz�17KhzPower Requirement120 VAC / 60 Hz
Signal to Noise Ratio (Overall):Power Consumption14 Watts
Dolby C on:79 dB
Dolby B on:69 dB
NR Off, 3% THD:59 dB
DC520 � 8Y16Y96 ver (D) |
ACEC
