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When the RECORD key is engaged, the function indicator above it is
lighted. Actual start of recording is begun by lightly pressing the START
key (13) .
With the REEL-SIZE switch @ in its neutral up-position the SG 631
LOGIC is set for (27 cm) IOV2 spools. If tape on (13-18 cm) 5"-7" spools
is used, press the REEL-SIZE switch into its down-position. The proper
green function indicator above the switch lights up to show which reel
size has been selected and set.
3.10 Rewind
Pressing this key lightly sets the machine for fast rewind. It may be
activated directly from any other operating function setting. When the
REWIND switch is operation, the green function indicator above it
lights up.
3.11 START Key ®
On lightly pressing the START key, the tape is formed into an OMEGA
loop around the capstan, whereupon tape transport begins. The START
key may be actuated directly from any other operating function setting.
When the switch is engaged, the green function indicator above it
lights up.
3.12 PAUSE K e y ®
Pressing this key lightly interrupts tape motion begun with actuation of
the START key. Tipping the key a second time re-starts tape motion.
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The green function indicator above the PAUSE key lights up when the
key is engaged.
3.13 STOP Key ©
Lightly pressing-the STOP key disengages all deck functions described
above. As long as the STOP key is engaged, the green function indi-
cator above it will remain lighted.
Lightly pressing this key switches the SG 631 LOGIC to fast forward
wind. It may be actuated directly from any other deck function setting.
When the switch is engaged, the green function indicator above it
lights up.
Automatic Shut-Off ©
Pressing the zero reset button cancels any given index number, re-
turning the counter reading to "0000". Before each recording, it is
advisable to press the reset button or note the starting index number.
Holding the button down switches off the automatic shut-off circuit
that is normally actuated by the foil (transparent or metal) at the be-
ginning or end of the tape. Then upon pressing one of the tape trans-
port keys, the switching foil will move away from the switch-off contacts
or light barriers.
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