26
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.
Power Guard
During normal operation, the Front Panel Power
Guard Indicators will momentarily illuminate during
peaks in the audio signals. In the event the MXA70
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 MXA70 has
returned to a safe operating temperature, normal op-
eration will resume.
Using a Separate Power Amplifier or Subwoofer
To use a separate amplifier instead of the MXA70
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 MXA70. Refer to page19
“Subwoofer Mode” for additional infor-
mation.
When either an External Power Ampli-
fier or Power Subwoofer is used with
the MXA70 the Rear Panel PREAMP
OUTPUT Jacks are used. Refer to figure 101.
System Thru Operation
When the MXA70 is connected to a Main Pream-
plifier or Audio/Video Controller (as illustrated on
page 12) it is important to maximize the combined
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
There are two ways to Delete Profile(s), delete one
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
5) to be deleted. Refer to figure 82.
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
availble Profiles (1 thru 5). Refer to figure 91.
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 MXA70 Power Output Meters indicate the power
delivered to the Loudspeakers or Headphonese. Refer
to figure 100. The meters respond to all the musical
Figure 100
How to Operate the MXA70, 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
Summary of Contents for MXA70
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