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JEFF ROWLAND CONCERTO - Page 23

JEFF ROWLAND CONCERTO
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PO BOX 7231, COLORADO SPRINGS, COLORADO 80933 USA E-mAIL: jRDG@jEffROwLAND.COm www.jEffROwLAND.COm TELEPHONE (719) 473-1181
22
OWNERS MANUAL CONCERTO STEREO PREAMPLIFIER
FIGURE 4: Location of jumpers on back of the rear panel
STEP 2: Place the unit upside-down on a soft,
clean surface. Using a #2 Phillips screwdriver,
remove the twelve screws that secure the
bottom cover of the unit.
STEP 3: Using a small flat-blade screwdriver,
compress the spring chips on each side of the
AC Receptacle while pushing the Receptacle
outward. Push the Receptacle out as shown in
FIGURE 1, to expose the jumpers below.
REMOTE CONTROL FREqUENCY
A second remote control operational fre quency
may be selected for the CONCERTO if inter-
ference occurs when using the factory-default
settings. This interference could occur either
from the CONCERTO’s remote interfering with
other equipment or vice versa.
STEP 1: Unplug the CONCERTO power cable
from the wall AC outlet.
FIGURE 5: Remote control frequency settings
REMOTE FREqUENCY
ALTERNATE
J-17
j-18
J-17
j-18
REMOTE FREqUENCY
STANDARD (DEFAULT)
1 2 3 1 2 3
jUMPERS
DEFAULT POSITIONS
SHOWN
OPTIONAL AdjusTmeNTs

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