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In order to gain access to the internal bus structure, you must first remove the top
cover. Turn the amplifier so the rear panel is facing your. The jumper modules may be
seen on the circuit board just behind the level controls.
Below is the default setup for the ST1200 series
II
amplifier. By arranging the jumpers
allows you to configure the amplifier for different applications. If you wish to use the
amplifier as a stereo (two channel) amplifier, you need not change any of the settings.
In order to reconfigure the ST1200 series
II
’s channels, remove the source control
group jumper from its present position (if necessary) and install it on the terminal you
wish to select as the source for that channel. Make sure it has been inserted on both
terminal pins of the jumper modules.
To complete the configuration, the volume group jumper should be placed at either the
‘USE VOL’ or ‘NO VOL’ terminal depending on you configuration.
Figure G illustrates the jumper modules used in
configuring each channel. Each jumper terminal
location is conveniently labeled as to the source it
can be configured to provide. Explained further on
the following page.
