Audiomatica 4 Посібник користувача - Сторінка 12

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10 - CUSTOM CONTROL

The TTL Control connector can be used for a direct link to a PC printer port with a standard
25 poles male-female cable.
The following figure shows the D-25 connector pinout and the device's truth table for
selecting its appropriate internal function.
1
14
2
15
3
16
4
17
5
18
6
19
7
20
8
21
9
22
10
23
11
24
12
25
13
If you connect the unit to a standard PC printer port and are writing a custom software
be sure to control bits 0,1,2 and 3 and follow the given truth table.
If you connect the unit to external signals be sure to use TTL logic levels.

11 - CONNECTING A FOOT PEDAL SWITCH

It is possible to connect an external foot pedal switch (or wire a TTL signal) to the PEDAL
IN input on the rear panel of the QCBox Model 4.
This will trigger QC operations as described in chapter 14 of the CLIOwin User's Manual.

12 - RACK MOUNT ASSEMBLY

Using the Rack QC panel it is possible to assemble the QCBOX Model 4 together the SC-
01 Signal Conditioner so that they can be mounted in a standard 19" rack frame.
CLIOQC
1
2
BIT 0
BIT 1
Input
BIT 2
BIT 3
Impedance
TTL CONTROL
D.U.T.
3
4
ISENSE
FUNCTION
INPUT 1
INPUT 2
INPUT 3
INPUT 4
IMPEDANCE
I SENSE
TO CLIO
FROM CLIO
BIT 0
BIT 1
BIT 2
0
0
0
1
0
0
0
1
0
1
1
0
x
x
x
x
x
x
OUT
IN
A
B
A
B
BIT 3
1
1
1
1
0
1
AUDIOMATICA
11