Ashly TM-360 Manuel d'utilisation - Page 7

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Ashly TM-360 Manuel d'utilisation
Operating Manual - TM-360 Public Address Amplifier
8) Input 2 Connectors
3.5mm Euroblock connectors and summed stereo RCA jacks are used for input 2. If wiring an unbal-
anced input signal into a balanced Euroblock input, be sure to ground the (-) input pin.
9) Input 2 Gain Control
Input 2 gain trim range is adjustable from -10dB to +10dB. This control is also used to fine tune the
signal threshold that will trigger the muting of input 3.
10) Input 1 Connector
A 3.5mm Euroblock connector is used for input 1, and can be used as a mic level or line level input.
As a balanced line input, it can connect to a telephone paging system instead of a microphone. If the
input signal is unbalanced, be sure to ground the unused (-) input pin.
11) Input 1 Gain Control
Input 1 gain trim range is adjustable from 0dB to +50dB. A typical line level input setting would be
close to 0dB. A typical microphone input setting would be closer to +50dB. This control is also used
to fine tune the signal threshold that will trigger the muting of input 2 (or inputs 2 and 3 if linked.
12a) Manual Mute Contact Closure
Contact closure between pins 1 and G will mute input channel 2, or mute channels 2 and 3 together
if they are linked using mix configuration switch #6. This is typically used when a microphone
plugged into channel 1 has a push-to-talk switch, whereby the pressing of the switch not only turns
on the mic but also mutes the signal on channel 2, or channels 2 and 3 if they are linked. When the
switch is released, the signal on channels 2 and 3 returns.
12b) Master System Standby
This device has two power saving modes, sleep mode and master system standby. Both modes shut
down the power supply to the main amplifier circuit, and are indicated by the power LED changing
from blue to red.
Sleep mode happens automatically after 25 minutes of audio inactivity. Sleep mode cannot be disabled.
Once in sleep mode, the amplifier is re-awakened when there is sufficient audio signal (post-input level
control) to light any input signal LED.
Master system standby mode is triggered manually by contact closure of it's Euroblock connector
pins G & 2. Master system standby ends when the contact closure circuit is re-opened after being
closed. Master system standby always has priority over sleep mode.
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