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14. Flip the switch "Whirl/Choir" down, all others up. Select one
or more string stops only. The string voices will be
"multiplied" into a set of voices. Test the result at the four
possible intensities, using the switches "Normal /Heavy" and
"Normal/ Soft" respectively. The switch "Fast/Chorale" is
disabled in the "Choir" mode.
15. Assign the M/Man drawbars to the Wersivoice I by flipping
the switch " Drawbars/Fixed Stops" up and the switch "
Drawbars to Wersivoice" down. Check all possible
Wersivoice modes. The effect of the "Choir" mode on the
drawbars is not very dramatic.
16. Check all modes of operation again by using the drawbars
and fixed stops of the lower manual. Do not disturb the
settings of the trim pots on the Wersivoice.
3.18 Testing of the Wersivoice II
The Wersivoice II can be fed with the signals from the upper
manual (drawbars, fixed stops, special effects) and from the piano
respectively. Its modes of operation are controlled by the 5-position
switch bank "Wersivoice II".
1. Mate the connectors to the pins of the Wersivoice II,
referring to Fig. 82.
2. Select a few fixed stops on the upper manual.
3. Flip the U/Man switch " Drawbars/Fixed Stops" down. Flip
the switch "Fixed Stops to Wersivoice" down.
4. Play the upper manual. The fixed stops should sound with a
normal vibrato from the left channel.
5. Repeat all tests of the preceding chapter, starting with step
4, but using the switches and controls of the U/Man and
Wersivoice Il respectively.
AM 075 (Part)
6. There is an additional switch in the switchbank "Wersivoice
II"; namely "Fast/Slow Speed shift". In its normal (up)
position, the speed change from "Chorale" to "Fast" is
inertial, as you experienced with the Wersivoice I. Flip this
switch down and operate the "Fast/Chorale" switch, using
the "Whirl" mode. The speed change from "Chorale" to
"Fast" now will be instantaneous. The reverse speed
change, from "Fast" to "Chorale"; is rapid in all cases,
independent of the setting of the "Speedshift" switch.
3.19 Testing of the Channel Selectors U/Man, M/M an,
L/Man and Wersivoice I respectively
1. Mate the connector leading to plug 4 of the left preamplifier,
referring to Fig. 70.
2. Play on all three manuals without Wersivoice. Flip the
channel selectors " U /Man right/left", " M /M a n right/left"
and " L/M an right/left" back and forth. The sound should
alternatingly come from the right or left speaker respectively.
Adjust the volume of the left channel by means of the trim
pot P 5 (Volume) on the left preamplifier V V 1 to match the
one from the right channel.
3. Operate the M/Man and the L/M an (drawbars or fixed stops)
via the Wersivoice I. Flip the switch "Wersivoice I right/left"
back and forth. The treated signal should change channels.
Note: The U/Man can be fed to the Wersivoice II. The latter is
assigned permanently to the left channel and cannot be "channel
selected".
3.20 Testing of the U /Man Special Effects
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