Tascam DR-680 用户手册

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   DR-680
 Owner's Manual Addendum
TASCAM DR-680  
1
  
Added functions
The following functions have been added with 
firmware version 1.20. 
1  Mid-side (MS) microphone decoding mode
2  GANG function
MS microphone decoding 
mode
Setting the MS decoding mode 
Select the 
MS MODE
 item on the 
SYSTEM
 menu to 
open the 
MS MODE
 screen. 
Set the decoding mode to use when connecting mid-
side microphones. Channel pairs 1-2, 3-4 and 5-6 can 
each be set separately.
OFF (default value)
Recording and playback use the ordinary mode
 
(no mid-side decoding).
INPUT
Use this mode to decode while recording.
Playback uses the ordinary mode.
MONITOR 
Use to monitor the output of mid-side 
microphones
 
with decoding while recording 
without decoding.
Also use this with a take that was recorded 
without decoding to decode it during playback. 
In that case, 
A.OUT SEL
 should be set to 
MIX
 in 
the 
I/O
 menu.
NOTE
The 
MS MODE
 screen settings cannot be changed 
during recording or playback. Always stop the unit 
(the transport icon should be  ) before changing the 
settings.
Connecting a mid-side microphone
When using this unit's mid-side decoding function, 
connect the mid signal to the odd channel and the 
side signal to the even channel in the pair. If you 
connect them in reverse, correct decoding is not 
possible.
For example, connect the mid signal to channel 3 
and the side signal to channel 4. 
Recording with mid-side decoding
1  On the 
MS MODE
 screen, set the decoding 
mode to 
INPUT
2  Press the MIX PAN key on the front panel to 
open the 
PAN
 screen (pan pot adjustment 
screen). Use the MS width control to adjust the 
width of the mid-side signal pair. 
 
  Press one of the number (1-6) keys on the front 
panel that corresponds to one of the mid-
side channels that was set to 
INPUT
 on the 
MS MODE
 screen. (For example, press 3 or 4 to 
adjust paired channels 3 and 4.)
  Use the VALUE dial to adjust the width of the 
signal suitably in a 0–100 range. At 0, only the 
mid channel is included in the stereo decoding. 
As the value is increased, more of the side 
channel is included in the stereo decoding. At 
100, only the side channel is included. (The 
default value is 
0
.) 
3  Press the MIX LEVEL key on the front panel 
to open the 
LEVEL
 screen, and adjust the 
decoder output. 
 
  Press one of the number (1-6) keys on the front 
panel that corresponds to one of the mid-
side channels that was set to 
INPUT
 on the 
MS MODE
 screen. (For example, press 3 or 4 to 
adjust paired channels 3 and 4.)
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