User`s guide

7
nel. CAUTION: After checking the AC supply voltage, be sure that the correct fuse is in the fuse
holder; 0.6Amp for 100-103VAC, as well for 220-240VAC.
12. AC VOLTAGE SELECTOR
Set this slide switch to match your line voltage supply. CAUTION: For new installations and portable
sound systems, or any situation in which the mains power is suspect, it is wise to confirm appropriate
voltage and line polarity BEFORE connecting the instrument to power source.
13. GROUND LIFT SWITCH
This switch is used to disconnect the signal ground from the mains and chassis earth ground. You
may set the switch to the LIFT position if ”HUM”, caused by a ground loop, can be heard at the
speakers.
14. INPUT/OUTPUT CONNECTORS
1/4 TRS
The TRS (Tip Ring Sleeve) connector is balanced and wired as tip = Hi (+), Ring = Lo (-), and Sleeve
= Ground.
CAUTION: Only one of these sockets can be chosen for audio connection at the same time.
XLR
The XLR input connector is balanced and wired as Pin 2=Hi (+), Pin 3=Lo (-), and Pin 1=Ground.
CAUTION: Only one of these sockets can be chosen for audio connection at the same time.
RCA PHONO
The RCA Phono input is unbalanced at the tip = Hi (+) and the Sleeve = Ground.
CAUTION: Only one of these sockets can be chosen for audio connection at the same time.
FOR BALANCED CONNECTIONS
Wire the connectors as follows:
Phone Jack: Connection:
tip = high
ring = low
sleeve = ground