Operation  Model 
8901B 
Clear Message Check. 
This check  determines whether  or not the Modulation Analyzer  properly 
responds 
to 
the Clear message. This check assumes 
that 
the 
Modulation Analyzer is able 
to 
handshake, 
recognize its own address, make the remote/local  changes, 
and 
receive Data messages. Before beginning 
this check, select 
40.0  SPCL. 
Send the first part of the Re- 
mote message (enabling the 
Modulation Analyzer to remote). 
Address the Modulation Analyzer to 
listen (completing the Remote message 
Then send a Data message that sets the 
Modulation Analyzer's tuning to manual. 
Check that the Modulation An- 
alyzer's REMOTE and LISTEN 
annunciators are on and that 
the AUTO TUNING light is 
off. 
Send the Clear message (set- 
ting the Modulation Analyzer's 
tune mode back to automatic). 
Check that the Modulation An- 
alyzer's REMOTE and LISTEN 
annunciators are on and that 
the AUTO TUNING light 
is 
on. 
HPL 
rem 7 
wrt 71 4,"MZ" 
clr 714 
BASIC 
REMOTE 
7 
OUTPUT 71 4;"MZ" 
RESET 714 
For 
Series 
200 
CLEAR 714 
3-60