Rear panel, Remote control connector, 0 midi in connector – Yamaha SPX90 II User Manual
Page 5: 0 output jacks (l and r), 0 input level selector (-20 db, h-4 db), O input jack
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REAR PANEL
Remote Control Connector
Permits remote access to SPX90II effect programs. 
The optional remote control unit, model RC7,
permits direct access to programs 1 through 7 and 
31 through 37, while all other preset programs may 
be accessed sequentially.
This LED lights whenever
a remote control key is
pressed.
It is possible to call user
programs when this LED
is lighted.
- 34 -
- 35 -
KEY ON
^ USER
YAMAHA
-Preset keys.
When this key is
pressed, the USER LED 
will light and it becomes 
possible to select user 
programs 31 through 37.
U.S & Canadaian models
o
MIDI THRU Connector
Re-transmits MIDI data received at the MIDI IN
connector to subsequent MIDI instruments.
0 MIDI IN Connector
Permits SPX90II effect programs to be automat
ically selected via a MIDI signal. This connector 
must be connected to the MIDI OUT connector 
of the transmitting MIDI instrument via a standard 
MIDI cable.
O Output Level Selector (-20 dB, -i-4 dB)
Facilitates SPX90II source/line level (sensitivity)
matching.
0
Output Jacks (L and R)
These are standard mono 1/4" phone jacks which 
deliver the direct and effect signal to subsequent 
mixing or amplification equipment. Since the 
SPX90II offers stereo output, we recommend that 
the output signal be fed in stereo to a stereo sound 
system in order to take full advantage of the superb 
stereo effects provided; Output impedance is 600 
ohms.
USER LED OFF
— Preset programs —
USER LED ON
— User programs —
1. REV 1 HALL
31. User program
2. REV 2 ROOM
32. User program
3. REV 2 VOCAL
33. User program
4. REV 4 PLATE
34. User program
5. EARLY REFLECTION 1
35. User program
6. EARLY REFLECTION 2
36. User program
7. DELAY L, R
1
37. User program
i
30. PARAMETRIC EQ
(Programs 8 through 30
selected sequentially by 
pressing OTHERS/ -37- 
key)
0
Input Level Selector (-20 dB,
h
-4 dB)
Permits SPX90II source/line level (sensitivity)
matching.
O Input jack
This standard unbalanced mono 1 /4" phone jack
accepts the input signal to the SPX90II. Input 
impedance is 10 k-ohms.