McIntosh MHA100

26
musical information being produced by the Amplifier.
They indicate to an accuracy of at least 95% of the
power output with only a single cycle of a 2,000Hz
tone burst.
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During normal operation, the Front Panel Power
Guard Indicators will momentarily illuminate during
peaks in the audio signals. In the event the MHA100
over heats, due to improper ventilation, high ambient
temperature and/or impedance mismatch, the inter-
nal protection circuits will activate. The Front Panel
Power Guard Indicators will continuously illuminate
and the audio will be muted. When the MHA100 has
returned to a safe operating temperature, normal op-
eration will resume.
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To use a separate amplifier instead of the MHA100
built-in Power Amplifier, connect the Loudspeak-
ers to the separate power amplifier. Refer to page 13
“External Power Amplifier Connections” for addition
connection information. An external
Powered Subwoofer may also be used
with the MHA100. Refer to page19
“Subwoofer Mode” for additional infor-
mation.
When either an External Power Ampli-
fier or Power Subwoofer is used with
the MHA100 the Rear Panel PREAMP
OUTPUT Jacks are used. Refer to figure 101.
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When the MHA100 is connected to a Main Pream-
plifier or Audio/Video Controller (as illustrated on
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Profile Mode, con’t
14. To store the renamed Profile into memory press
and hold in the VOLUME CONTROL until the
Front Panel Display indicated “SAVE PROFILE,
Profile Saved”. Refer to figure 81.
15. To exit the Profile Rename Mode momentarily
press the VOLUME Control.
DELETING PROFILES
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saved Profile or delete all saved Profile Names. In the
first example one Profile will be deleted. Perform the
following steps:
16. Using the Profile Control, select the Profle (1 thru
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17. Rotate the Profle Control to select “DELETE
PROFILE1”. Refer to figure 89.
18. Press and hold in the VOLUME CONTROL until
the Front Panel Display indicates “DELETE PRO-
FILE, Profile Deleted”. Refer to figure 90.
19. To exit the Profile Delete Mode momentarily
press the VOLUME Control.
To Delete All the stored Profiles, perform the follow-
ing steps:
20. Using the Profile Control, select one of the
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21. Rotate the Profle Control to select “DELETE
ALL, Saved Profiles”. Refer to figure 92.
22. Press and hold in the VOLUME CONTROL until
the Front Panel Display indicates “DELETE ALL,
All Deleted”. Refer to figure 93.
23. To exit the Profile Delete Mode momentarily
press the VOLUME Control.
Power Output Meters
The MHA100 Power Output Meters indicate the
power delivered to the Headphones or Loudspeak-
ers. Refer to figure 100. The meters respond to all the
Figure 100
How to Operate the MHA100, con’t
Figure 81
SAVE PROFILE
Profile Saved
Figure 89
DELETE PROFILE
Profile1
Figure 93
DELETE ALL
All Deleted
Figure 92
DELETE ALL
Saved Profile
Figure 82
INPUT: UNBAL
Profile1
Figure 90
DELETE PROFILE
Profile
Deleted
Figure 91
INPUT: UNBAL
Y10-PRO
Figure 101