Fostex 250 - Page 14

PLAYING BACK THE ORIGINAL TRACK AND
THE OVERDUB
Figure 6. Steps for playing back the initial and overdubbed
tracks.
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You may wish to combine two or three previously recorded
tracks on to another track, which “opens up" tracks for addi¬
tional overdubbing. This process is known as combining
tracks {or a “ping-pong’’), and is described in Section 6.
SUGGESTION: When the recording and overdubbing pro¬
cess is completed, and no further recordng is contemplated,
it is a good idea to protect the cassette against any inadver¬
tent erasure. Do so by punching out BOTH safety tabs on the
rear edge of the cassette. Do not assume one safety tab will
offer protection. Since the Model 250 records all four tracks
on one side of the cassette, with only one safety tab removed
it would be possible to insert the cassette upside down and
inadvertently record over your valuable program.
Figure 7. Punching out the record-safe tabs to prevent
erasure ot or recording over an existing program.
1. Press ZERO RETURN to rewind the tape to the beginning
of the take.
2. Release all RECORD TRACK buttons (# 2 in this example)
to prevent inadvertent erasure by placing the tracks in
safe mode.
3. Bring down the input FADER on the channel used for the
overdub mic (or instrument). While not mandatory, this
step avoids distraction from live inputs before or after
playback (the input is “dead” during actual playback).
4. Press the PLAY button. (If necessary, adjust HEAD¬
PHONE level).
TO OVERDUB ADDITIONAL TRACKS
Repeat the preceeding overdub steps. Input channel # 1 may
continue to be the “live” channel; assign it to tracks # 1 and
# 3 by switching the 4 CHAN BUSS selector and adjusting
the PAN pot below that selector. Also, press the # 1 or # 3
RECORD TRACK button to make the appropriate track ready
for recording. When setting level with the TRIM control,
observe the VU METER corresponding to the track on which
the live program is being overdubbed. VU METERS for the
other tracks (tracks 2 and 4) will be inactive until the unit is
placed in record mode, at which time they display the
previously recorded signal levels.
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