![AC-AUDIO AC-AUDIO HA8M User Manual Download Page 4](http://html1.mh-extra.com/html/ac-audio/ac-audio-ha8m/ac-audio-ha8m_user-manual_3568321004.webp)
The power cord of the device should be unplugged from the outlet when left unused for a long period
of time.
Damage Requiring Service:
The device should be serviced by qualified service personnel when:
The power cord or the plug has been damaged; or Debris or liquid has entered the device; or the
device has been exposed to rain; or the device does not appear to operate normally or exhibits a
marked change in performance; or the device has been dropped, or the enclosure damaged.
Servicing:
The user should not attempt to service the device beyond that which is described in the operating
instructions. All other servicing should be referred to qualified service personnel.
The equipment was carefully packed at the assembly plant to assure secure transport. Should the
condition of the cardboard box suggest that damage may have taken place, please inspect the unit
immediately and look for physical indications of damage.
Damaged units should NEVER be sent directly to us. Please inform the dealer from whom you
acquired the unit immediately as well as the transportation company from which you took delivery of
the unit. Otherwise, all claims for replacement/repair may be rendered invalid.
3. INSTALLATION
This chapter contains descriptions of various controls of your equipment. All controls and
connections are discussed in detail. Additionally, useful advice about their possible applications is
also given.
1) Front panel
The DIRECT IN socket is used to feed in additional stereo signals. In the case of the equipment, the
signal brought in via the DIRECT IN input has the same priority as the MAIN signal.
The MASTER LEVEL control governs the level of the input signal that is fed through the MAIN
INPUT connectors on the back or through the DIRECT IN connector.
The equipment features two level controls (MAIN IN 1/MAIN IN 2) so that two separately controllable
input signals can be connected. You select which of the two signals is monitored by using the IN 1/IN
2 switches in the respective channel sections.
The PHONES OUT connector is connected in parallel to the output connectors located on the rear,
presenting an easily accessible additional monitor option for individual channels. This function is
particularly helpful when the unit is permanently installed in a rack.
The ST./2-CH. switch is used to alternate whether input signals are audible in stereo (not depressed:
ST.) or in mono (depressed: 2-CH.).
The POWER switch powers the POWERPLAY PRO on. You should always make sure that the