Toa M-864D Ver.2.2.0 - Manual (Page 64)

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7. oN/off Button
Sets each filter point to ON or OFF.
ON: Filter is enabled (orange display).
OFF: Filter is disabled (blue display).
The filter is bypassed if set to OFF.
8. Lock Button
Used to enable or disable the locking of
frequencies or gains when dragging filter points.
Clicking “Freq. Unlock” at left changes the
indication, locking the frequency.
If the frequency is locked, it becomes
unchangeable even if the filter point is dragged
left and right.
Clicking the same button again restores the
previous display and releases the lock. Clicking
“Gain Unlock” at right changes the indication,
locking the gain.
If the gain is locked, it becomes unchangeable
even if the filter point is dragged up and down
Clicking the same button again restores the
previous display and releases the lock.
Both the frequency and gain can be locked.
Note
Frequencies and gains can only be locked for
the filter point operation. The frequency and gain
controls can be used to change settings even
while in locked mode.
9. resolution Button
Used to set the resolution for frequency and gain
settings.
If “Freq. : Low” at left is clicked, the indication
changes and the frequency settings resolution is
set to “High.”
Clicking the same button again restores the
previous display and sets the frequency settings
resolution to “Low.” The frequency settings
resolution is as follows:
Low: 1/24 octave
High: 3-digit significant figure
If “Gain: Low” at right is clicked, the indication
changes and the gain settings resolution is set to
“High.”
Clicking the same button again restores the
previous display and sets the for gain settings
resolution to “Low.” The gain settings resolution
is as follows:
Low: 0.5 dB
High: 0.1 dB
10. Q Indicator Button
Used to switch the Q display method of each filter
point.
The following 3 different display methods are
available:
(1) Numerical indication
Q values are indicated by a numerical figure.
(2) Oct/band fractional indication
The value of the octave bandwidth
corresponding to the Q value is indicated by a
fractional figure.
(3) Oct/band numerical indication
The value of the octave bandwidth
corresponding to the Q value is indicated by a
numerical figure.
Example: When the Q value is 4.318
Numerical indication: 0.333
Oct/band fractional indication:
1/3 oct/band
Oct/band numerical indication:
4.318 oct/band
11. Grouping Button
Clicking this button opens the dialog for selecting
the grouping number.