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[ 2 ]
READING TO PEN RECORDER
When recording the output waveform on a pen recorder,
follow the procedure below.
1 Set P E N / S C O P E (35) to the S C O P E mode, and write
the input signal to be recorded into the unit.
2
Being sure that the W R I T E
change P E N / S C O P E (35) to the P E N mode.
3
Connect the jack A or B under " F O R P E N " (46) to the
input jack on the pen recorder.
4 Adjust P E N S P E E D @
recorder.
5
Press W R I T E / P E N
S T A R T @
seconds, the waveform stored in the MS-1660 is out-
putted. After output of 2048 words, the reading
completes.
Pressing W R I T E / P E N
again causes restart of reading.
In the free run mode, the unit enters the trigger wait
state after reading to F O R P E N (46) . Upon receipt of
a trigger signal, the unit starts writing and, after com-
pletion of the writing, restarts reading to F O R P E N .
N O T E - 1 . When performing the F R E E R U N operation,
press the F R E E R U N @
P E N S T A R T (37) button in step
N O T E - 2 .
0 V adjustment of pen-recorder:
After setting the I N P U T selector to G N D ,
adjust the ^
M E M O R Y O U T will be 0 V .
P E N / S C O P E to P E N mode, and press the P E N
S T A R T to feed 0 V from the F O R P E N jack.
Now, adjust the D C O F F S E T on the pen re-
corder so that this voltage will be the 0 volt
of the pen-recorder.
[3] CONTROL BY GP-IB
The MS-1660 has G P - I B communication capabilities to send
out data from the memory or receive data from outside
into the memory for display on the monitor. The inter-
face with G P - I B conforms with I E E E S t d . 4 8 8 - 1 9 7 8 .
1. Connector
1
Connector
Use the 24-pin cable designed specifically for connection
to the G P - I B connector.
the pin numbers and signals, as viewed from the rear
panel.
Fig. 11
L E D (3§) has gone
off,
to the pen speed of the pen
. T h e n , in about
two
S T A R T (37) once
instead of W R I T E /
5 above.
P O S I T I O N control so that the
T h e n , set the
T h e illustration below shows
2
Connector pin configuration
Signal
Signal
Pin N o .
N a m e
1
D I O 1
2
D I O 2
3
D I O 3
4
D I O
4
5
E O I
6
D A V
7
N R F D
N D A C
8
9
I F C
1 0
S R Q
11
A T N
1 2
S H I E L D
3
Input/output signals
a) D I O 1 - 8
Data input/output lines. Also used for input/output
of address information and command
the two kinds of information are identified by the
A T N line.
b) D A V (Data valid)
Signifies that the signal sent from the talker or
controller to D I O is effective.
c) N R F D (Not ready for data)
Signifies that the listener is ready to receive the D I O
line signals.
d) N D A C (Not data accepted)
Signifies that the listener has already received data.
e) A T N (Attention)
A signal from the controller.
signals on D I O lines are data, address information, or
command information.
f) R E N (Remote enable)
A
signal from the controller, for switching each
device into remote or local control mode.
g) I F C (Interface clear)
A signal from the controller, for clearing the G P - I B
interface of each device.
h) S R Q (Service request)
A call from the talker or listener to the controller.
i) E O I ( E n d or identify)
A data completion signal from the talker.
4
Interface circuit
The electrical specifications of input/output signals are
shown below.
Fig. 12
Signal
Signal
Pin N o .
N a m e
1 3
D I O 5
1 4
D I 0 6
1 5
D I O 7
1 6
D I O 8
1 7
R E N
G N D
1 8
1 9
G N D
2 0
G N D
2 1
G N D
2 2
G N D
G N D
2 3
2 4
G N D
information;
Indicates whether the
D r i v e r
N O T E . T h e d r i v e r is a n
o p e n c o l l e c t o r .
R e c e i v e r
21
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