8-26
10 July 1998

Delay

Figure 8-12
Delay component.
Delay (see Figure 8-12) is used to compensate for differences in the
physical alignment of loudspeakers or loudspeaker drivers.
In the ISP-100, the delay in each output channel is adjustable in the
range 0 – 2,500 milliseconds (depending on QuickMAP used) in 20.833
microsecond (single sample) increments. This translates to
approximately (0 - 2750 feet) in 0.275 inch increments, assuming that the
speed of sound is approximately 1100 ft/sec.
Setting Delay
The Delay control can be adjusted two ways:
Using the Text Box
Click in the box. Using the Back Space and/or Delete keys
erases the current entry and enters the new level. Be sure to
press the Enter key after the entry is made. Clicking outside the
text box without pressing the Enter key will cause the setting to
return to the number that it was before a change was attempted.
Alternatively, click and drag across the number in the box to
highlight the number in it. Type the new setting and press the
Enter key when finished.
Using the UP/DOWN Arrows
To increase the level, click on the up arrow. To decrease the
level attenuation, click on the down arrow. The amount of
increase or decrease is controlled by the fine/coarse control.
Fine (F) or Coarse (C) Control
This button determines the increment/decrement associated with the
UP/DOWN arrows. Fine produces small steps in value, while Coarse
provides large steps in value. Clicking on the button will toggle the
setting.
Bypass Control (master)
This button determines if the component is in the processing chain. If
the LED on the button is gray, then the component is inserted into
the signal processing chain. If the LED is red, then the component is
bypassed in the signal processing chain. A bypassed component will
be colored red in the QuickMAP.