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ways, to see which gives you more lifelike bass). If your subwoofer does not meet these stan-
dards, setting THX Ultra2 Sub to “No” will disable boundary gain compensation.
ASA (Advanced Speaker Array) processes the sound sent to the surround back (not the sur-
round side) speakers. THX recommends that the two back speakers be placed close together,
facing the front of the room, to broaden the “sweet spot” in the room where their effect is
most beneficial, and provides processing to compensate if they must be spaced apart. Set ASA
to “Together” if the speakers are within 12 inches (30 cm) of each other, to “Close” if they are
separated by 12" to 48" (1.2 m), and to “Apart” if the separation is more than 48".
Halo Setup Software
An additional setup aid is HaloSetup.exe, a Windows program that can be downloaded from our
Web site (www.parasound.com/halo). With a standard serial cable (available from computer
stores) connecting your PC to the RS-232 connector on the back of the C 1, you can use this pro-
gram to set up the C 1 and to store settings you’ve made through the setup menus described
in this chapter. This is also the only way you can reprogram the default messages “C 1 is turning
on now,” and “Shutting Down.” Some of the program’s terminology differs slightly from that used
in this manual, but operation is nearly self-explanatory.
We strongly recommend that you save your original settings before you begin, so that you can
restore them later if you dislike the changes you have made. Use the File/Save As command to
create a configuration file, and give it a name you’ll understand if you get back to it months later
(e.g. “Harry’s original.sfg”). If you have modified settings through the menus in this chapter, use
the Operations/Download command, or the F6 key, to copy the current settings to the Halo
Setup program; to program the C 1 with settings you have made within the program, use
Operations/Upload All settings (F8) to copy all settings to the C 1, or use Operations/Upload
Changed settings (F7) to copy only those you’ve altered.
If uploading or downloading does not work, use Operations/Check Connections (press the F5 key).
If that discloses problems, go to File/Options and check that the program is using the correct port.
(The factory default is COM 2; if that does not work, try the others, beginning with Com 1.)
Note that the illustration shows only one of the program’s seven main pages, some of which
open out into sub-pages.
The program runs on Windows 95 and higher.
File Operations About...
Parasound Halo Setup
General Audio
Default THX Surround EX Mode
Volume: -50dB
Source Speaker OSD Trigger Presets
-90dB -20dB
Bass: 0dB -12dB +12dB
Treble: 0dB
Subwoofer Filter:
Enhanced Bass
Bass Limiter:
-12dB +12dB
Bass Settings
General AudioSettings
60 Hz
-50 dB
Dry
1
2
3
Wet
EX On EX Off
LFE Level
Reverb
Dolby PL II / DTS THX Ultra2
Level 0dB
-10dB 0dB
Offset 0dB
-20dB +10dB
Settings... Settings...
ADJUSTMENTS, MENUS, AND SETUP continued
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