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RL-1 Wired to Operate Two Zones
27 Controlling two or more zones with one RSL-1
A single RSL-1 can be used to control more than one zone; however, the three resistors
fitted to the RSL-1 will have to be replaced with a different value. Where a single RSL-1 is
used to control two zones, the resistors R1, R2 & R3 should be removed and replaced
with three 3k3 types. With one plate controlling three zones, use 2k2 resistors and for all
four zones, use 1k6 resistors. Where a single remote module is wired to control the level
of multiple zones, the control will be loaded by the additional circuitry and will operate
unevenly throughout its range; however, this has proved to be of little consequence
operationally. Please order extra VCA 3 pole connectors if you propose to use this facility.
RSL-1 Wired to Operate Two Zones
28 Front Panel Music Level Control Defeat.
When remote music level controls are fitted, the front panel mounted music level control
will remain operational and under certain circumstances this can cause problems.
Configuring the links on jumpers, J6 for Z1, J7 for Z2, J8 for Z3 and J9 for Z4 can defeat
the relevant front panel mounted level controls. The position marked ‘N’ relates to normal
operation; the position marked ‘DEF’ defeats the control and the audio signal bypasses
the potentiometer. See the diagram on page 7 for jumpers locations.
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