HP 8642A Operation And Calibration Manual

Appendix B
Model
8642A/B
Appendix B:
Writing Messages to the Display (cont'd)
The following display results from entering the keys from the example on page 3-201:
ILLIV HP
Example of Entering a User-Defined Message Via HP-IB
You can use the following example BASIC program to enter a message string of 49 characters
into Message I. Note that the terminator for each service special function is "EN"; when in the
service special function mode, this is the programmmg equivalent of the local function of
pressing the Hz key locally.
10
DIM C$ [49]
20
30
INPUT C$
40
50 OUTPUT 719; "SP3655EN"
60
70 LET L=LEN (C$)
80
90
100 FOR 1=1 TO L
110
LET A=NUM (C$[I,I])
120
OUTPUT 719 USING 130;A
130
IMAGE "SP3656",K,"EN"
140 NEXT I
150
160
170
OUTPUT 719; "SP3657EN"
180
190
END
DIMENSION 49 CHARACTER STRING
INPUT CHARACTER STRING FOR MESSAGE 1
CLEAR MESSAGE 1 IN THE 8642A/B
DETERMINE LENGTH OF MESSAGE 1
CONVERT EACH CHARACTER IN C$ TO
ITS EQUIV ALENT ASCII NUMERIC
CODE
DISPLA Y THE MESSAGE
Example of Reading a User-Defined Message Via HP-IB
You can use the following example BASIC program to read the Message 1 string.
10 DIM C$ [49]
20 OUTPUT 719; "SP3657EN"
30 ENTER 719; C$
40 END
3-202
DIMENSION 49 CHARACTER STRING
DISPLA Y MESSAGE 1
READ MESSAGE 1

HP 8642A Specifications

General

Brand	HP
Model	8642A
Category	Inverter
Language	English