Jensen 400, Руководство пользователя, Страница: 14 / 36

17. HIGH ATTENUATION
It allows to attenuate till -12dB the signal sent to the
loudspeaker for the high-frequencies; with the poten -
tiometer in 0 position there is no attenuation, turn the
potentiometer in - 12 position to obtain the max attenu -
ation. This control is active only for the external signal
without any effect on the internal speakers sound.
18. MIX OUTPUT AND LEVEL
This Balanced XLR output (18A) is used to send the
signal to another equipment, i.e. another active loud -
speaker or a PA mixer.
The output signal is controlled by the proper potentiom -
eter (18B)
19. GND LIFT
Ground separator. Press the key to separate the ground
of the inputs from that of the internal circuit.
It can be useful for reducing or eliminating the hum
and disturbance (usually caused by " ground loops" )
which often occurs when several devices are connected
together. The system ground link remains unchanged.
20. HEADPHONES LEVEL/CONTROL ROOM
Controllo di livello per le uscite cuffie e control room.
21. FOOTSWITCH FOR EFFECT COMMUTATION
6.3" Jack socket for footswitch; It allow to bypass the
digital effetcs processor
22. HEADPHONES OUTPUT
6.3" Jack dual mono output
23. AUX OUTPUT AND LEVEL
6.3" unbalanced Jack output and relative level control.
24. AC-IN AND POWER SWITCH
AC-IN cable socket. The socket is fitted with a fuse in a
protected casing. If the fuse needs changing, it is very
important to proceed as follows:
 Switch the device off
 Remove the power cable
 Access the fuse compartment by opening the
cover with a screwdriver.
 Replace the fuse with another having exactly
the same specifications:
T2A L 250V in 230 VAC version
T4AL250V in 120 VAC and 100 VAC versions
 Close the cover.
25. CONTROL ROOM OUTPUT
RCA Type Output in dual mono configuration.
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