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Model 8902A
Operation
Trigger Message and Clear Key Triggering Check
This check determines whether or not the Measuring Receiver responds to the Trigger
message and whether the
CLEAR
key serves as a manual trigger in remote. This check
assumes that the Measuring Receiver is able
to
handshake, recognize its own address, make
the remote/local changes, and send and receive Data messages. Before beginning this check,
select 40.0
SPCL.
Descriotion
Send the first part of the Remote
message (enabling the Measuring
Receiver to remote).
Address the Measuring Receiver to listen
(completing the Remote message), then
send a Data message (placing the
Measuring Receiver in Hold mode).
Send the Trigger message.
Address the Measuring Receiver t o talk
and store the data in variable
V.
Display the value of V.
Check that both the Measuring
Receiver's REMOTE and TALK
annunciators are on. The controller's
display should read 90000096000.00 (HP
9825A) or 90000096000 (HP 9835A and
HP 9845A) or 9,00000 96E+10 (HP Series
200).
Address the Measuring Receiver t o talk
and store the
data
in variable
V.
Check that the controller's "run"
indicator is still on indicating that it has
not received data from the Measuring
Receiver. Press the Measuring Receiver's
CLEAR key. The controller's "run"
indicator should turn off.
HPL
rem 7
wrt 714,"Tl"
trg 7
red 714,V
dsp V
red 714.V
BASIC
REMOTE 7
OUTPUT 714;"Tl"
TRIGGER 7
ENTER 714;V
PRINT V
ENTER 7143
3-69
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