E-9
Use a JVC cleaning tape.
Follow the instructions below for using the clean-
ing tape.
1.Run the tape for 10 seconds in the PLAY
mode. (Thereafter, it stops automatically
and enters the STOP mode.)
• After loading the cleaning tape, press the
PLAY button.
2.For a single cleaning session, it can be
repeated up to 4 times.
3.Refer to the following table as a guide for
cleaning.
Note
zUnder low humidity conditions, (10% RH to
30% RH), perform head cleaning at intervals
of half of the periods stated in the table.
zIf an M-DV80 tape is used immediately after
cleaning, the message, “HEAD CLEANING
REQUIRED!” may not disappear. It does only
after the tape has run for some time.
zUse the cleaning tape at room temperature
(10°C to 35°C).
zInstructions for using the cleaning tape stated
on a sheet inside its storage case may be dif-
ferent in part from those stated here.
Follow the instructions in this manual.
•
When this unit is moved from a cold to a
warm place abruptly, the vapor in the warm
air will come into contact with the head drum
or the tape guides, which are not warmed
enough. When chilled, the vapor turns into
droplets of water. This state is known as
condensation. When condensation occurs,
the videotape adheres to the head drum or
the tape guides and will be damaged.
• Condensation occurs on this unit in the fol-
lowing circumstances:
* It is moved abruptly
from a cold place to
a warm place.
*
It is used in a place
immediately after the
heater has been turned
on, or when cold
breeze from an air-con-
ditioner blows onto it.
* It is used at a place
of high humidity.
• When condensation occurs, the monitor
displays the following warning:
Leave the unit with the power ON and wait
until the WARNING message disappears.
• Prevention of condensation
When transporting BR-HD50 from a cold to
a warmer place abruptly, first remove the
cassette tape. Then place BR-HD50 in a
plastic bag and seal it before transporting.
Take out BR-HD50 from the sealed plastic
bag only after it has the same temperature
as the surroundings.
Cleaning tape
Operating environ-
ment
Low temperature
5°C to 10°C
Room temperature
10°C to 35°C
High temperature
35°C to 40°C
Frequency of cleaning 1 to 2 times every 5
hours
1 to 2 times every 20 to
30 hours
1 to 2 times every 5
hours
Condensation
When a cassette tape is loaded, do not transport
e.g., from a cold outdoor place to a warm room thus
subjecting the unit to drastic temperature changes.
After moving the unit, do not use it until the inner
mechanism stabilizes.
Videotape
Head drum
CONDENSATION ON DRUM