Yamaha SPX50D - Manual (Page 5)

1: CONTROLS AND CONNECTIONS
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THE FRONT PANEL
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O POWER Switch
Press the POWER switch once to turn power ON, a second
time to turn power OFF
O INPUT LEVEL Control
This control should be used in conjunction with the INPUT
LEVEL meter (see below) to set the optimum input level for
the source used.
0 INPUT LEVEL Meter
The input level meter consists of seven LEDs corresponding
to -30 dB, -20 dB, -15 dB. -10 dB -6 dB. -3 dB and 0 dB Input
level. When the source (instrument or other) is connected to
the SPXSOD’s inputs, it should be played at the loudest level
It will be played during actual use and the INPUT LEVEL
control adjusted so that the maximum reading is about -3 dB.
O LED MEMORY Number Display
This 2-digit numeric display shows the number of the' cur­
rently selected memory location (1 — 00). When the LED
display Is continuously lit the effect corresponding to the
number displayed is active. When the LED display Is flash­
ing, this indicates that a new memory location has been
selected but has not yet been recalled, leaving the previ­
ously selected effect active.
O LCD (Liquid Crystal Display)
This 16-character x 2-line liquid crystal display panel nor­
mally displays the title of the selected effect on the top line
and a selected parameter and Its value on the bottom line.
One or both lines may also be used to display error mes­
sages or warnings.
@ MEMORY Button
Pressing this button engages the memory selection mode,
allowing a new memory location to be selected using
the and V buttons. When the memory mode is selected,
the memory button LED will light.
e PARAMETER Button
This button is pressed to access the various parameters
which can be edited within each effect. Each press on the
PARAMETER button selects the next parameter on the "list”
for the selected effect. When the parameter mode Is se­
lected, the parameter button LED will light.
0 Increment/Decrement Buttons
These buttons are used to select memory locations when the
memory selection mode is active (after the MEMORY button
has been pressed), or to change parameter values when
parameters are selected for editing (after the PARAMETER
button has been pressed). The A and V buttons are also
used to program several UTILITY functions.
0 STORE Button
This button is used to store edited effect parameters into one
of the user memory locations between 51 and 00.
0 RECALL Button
When a new memory location number has been selected
using the A and V buttons, the RECALL button must be
pressed to activate the selected effect.
0 COMPARE Button
The COMPARE button Is used In the PARAMETER mode to
compare the sound of an edited parameter with that of the
parameter before it was changed. When the COMPARE
button is pressed, the pre-edit parameter value is temporarily
recalled and the COMPARE button LED will light. Press the
COMPARE button again to return to the edited parameter
value.
0 INSERT Button
The INSERT button activates the SPX50D INSERT IN/OUT
loop, adding a second signal processor connected to the
INSERT IN and OUT jacks to the effect chain. The INSERT
ON/OFF status for each memory location can be memorized
and recalled whenever that memory location Is selected. The
INSERT loop is active when the INSERT button LED Is lit.