Crown 180max Manual De Usuario

Descargar
Página de 28
Commercial Audio Series Business Music System
page 7
Operation Manual
1 Welcome
N. Music On Hold Section
Top to bottom, left half:
Source Switch: Switches between Input 3 or XM, and routes the 
source to MOH 1V Line Out and MOH 1W connectors.
1V Level Control and Signal Presence Indicator: Trim pot adjusts 
level for Music-On-Hold 1V output. SPI fl ashes when MOH signal is 
present.
1V Output (Isolated) Connector: 3-pin Phoenix connector, 600-ohm 
transformer-isolated output, provides Music-On-Hold signal of 
approximately 1 volt.
Top to bottom, right half:
1W Select Switch: Feeds 1W MOH signal either to 1 watt output or 
internal speaker.
1W Level Control: Trim pot adjusts level for Music-On-hold 1W 
out put.
1W Output Connector: 3-pin Phoenix connector provides Music-On-
Hold signal of approximately 1 watt.
O. Input 3 Section
Input Connector: 3-pin Phoenix-type, line level, balanced, one per 
input channel.
Dual RCA Input Connector:
For stereo music signals, unbalanced, summed together, two 
con nectors per input for inputs 1, 2 and 3. If required, both the mic/
line and RCA inputs may be used at the same time. The mic/line gain 
switch does not affect the RCA gain, which is fi xed relative to mic/
line. The mic/line and RCA signals are mixed. Note: Other equip ment 
connected to the RCA jacks should be connected to the same AC 
power source as the mixer-amp to avoid hum.
P. Input 2 Section
Same as Input 3 Section.
Q: Input 1 Section
Top to bottom:
Phantom Power Switch: Turns phantom power on or off for Input 1.
Input Connector: 3-pin Phoenix-type, mic or line level, balanced.
Mic/line Switch: Selects mic-level or line-level signal for Input 1.
Dual RCA Input Connector: Same as Input 3 Section.
Tel Connector: Transformer-isolated 600-ohm input, summed into 
Input 1 for paging from a telephone system.
R. AC Power Inlet
Detachable IEC.
S. Priority Ducking Section
Active Indicator: LED illuminates when VOX ducking is active.
VOX Threshold: Trim pot controls how loud the voice must be before 
ducking occurs. Can be set for no ducking.
Priority Connector: 3-pin Phoenix-type connector for push-to-talk 
mic switch. Contact closure activates ducking. Ducking does not 
affect Music-On-Hold outputs or stereo line out.
Priority Release Control: Trim pot adjusts release time of VOX 
duck ing.
T. XM Radio Stereo Line Out Connector. 
Dual RCA jacks for stereo music out of XM Radio tuner.
U. XM Input Section
RS-232 Connector: Currently inactive; will be used for diagnostics.
XM Radio Antenna Input: Connects to the XM antenna cable.
1.3 Back Panel Controls and Connectors
H. Reset Switch
Resets the circuit breaker that protects the power supply.
I. Amplifi er Output Connector
4-position terminal strip with COM (Common), 4 ohms, 25V and 
70V terminals. Use either 4-ohms or constant-voltage terminals, but 
not both. Accepts up to 10 AWG crimp-on terminal forks. Non-touch 
cover included.
J. Preamp Line Out Connector
3-pin balanced Phoenix-type connector. Post master, pre-VCA. Level 
controlled by master volume control.
K. Link In/Out Switch 
With the Link Switch IN, any signal applied to the Amp Input 
con nector will be mixed with the input signal(s). With the Link Switch 
OUT, only the signal from the Amp Input Connector will appear at the 
amplifi er output.
L. Amp Input Connector
3-pin Phoenix-type, high-impedance balanced. Used to link an 
additional mixer to the mixer-amplifi er. Can be used to connect an 
external processor (see Section 2.9).
M. Output VCA Connector
3-pin Phoenix-type connector for one VCA control line of +10 VDC 
and ground. Compatible with Crown 1-VCAP module.
U
Figure 1.2  Back Panel Controls, 
Connectors and Indicators