Features And Controls; Front Panel Features And Controls - Tascam 122 Service Manual

122
2. FEATURES AND CONTROLS
2-1. FRONT PANEL FEATURES AND
CONTROLS
GPOWE R switch
fj
MEMORY switch
This works in conjunction with the TAPE
COUNTER and rewind function to rewind to
any required part of the tape. The tape will be
rewound to the 000 position on the tape counter
(actually to 999, just past the 000 position). The
000 position can be reset at any position on the
tape by pressing the reset button. If the ME­
MO RY switch is in the STOP position, when the ,
rewind (
+II )
button is pressed, the tape will be
rewound until the counter has counted down to
999 (just beyond 000) and the tape will stop
0 '
automatically. If the MEMORY switch is in the
PLA Y position, when the counter has counted
down to 999, the tape will stop and then be
played back automatically .
8
PHONES control
Adjusts the output volume for the headphones.
o
PHONES jack
Suitable for 8-ohm stereo headphones.
o
Cassette holder
The face plate of this door can be removed for
easy access to the heads for cleaning, etc.
(!)
Transport controls
~ (Play) button
+II
(Rewind) button
.. (Fast Forward) button
STOP button
EJECT button
RECORD button
PAUSE button
REC MUTE (Record Muting) button
If the REC MUTE button is pressed while a re­
cording is being made, only an erase signal is
applied to the tape.
To release the record muting mode, press either
the play (
~
) or PAUS E button.
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INPUT LINE 2 jacks
This pair of RCA jacks is provided as a conven­
ience, and duplicates the function of the rear
(LINE 1) input jacks for connecting a receilveror
other line level source to the 122.
Ci)
INPUT (LEFT, RIGHT) controls
These controls are used to adjust the levels of
the left and right input signals to be recorded on
the tape. The ' l eft and right controls are geared
together to allow simultaneous ad justment of
both channels. To adjust one channel independ­
ently of the other (to alter the channel balance),
hold one knob while turning the other.
o
BIAS/REC CALIBRAf'ION trimmers and
button switch
With the button in the PRE-SET (out) position,
the bias levels suitable for recording on normal,
cobalt (Co), chromium dioxide (Cr02) and
metal tape can be selected using the B lAS switch,
while the reference recording level is adjusted to
match the average sensitivity for each type of
tape. These factory-preset levels are average
values for the three typ es of tape. For precise
calibration of the bias and recording levels to
exactly match ° a specific tape, set the button to
the ADJ UST (in) position and adjust the trim ­
mers using a screwdriver.
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