HP 1650B Programming Reference Manual page 154

Logic analyzers
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LABel
LABel
11-6
The LABel command allows you to specify polarity and assign channels to
new or existing labels. If the specified label name does not match an
existing label name, a new label will be created.
The order of the pod-specification parameters is significant. The first one
listed will match the highest-numbered pod assigned to the machine
you're using. Each pod specification after that is assigned to the
next-highest-numbered pod. This way they match the left-to-right
descending order of the pods you see on the Format display. Not
including enough pod specifications results in the lowest-numbered
pod(s) being assigned a value of zero (all channels excluded). If you
include more pod specifications than there are pods for that machine, the
extra ones will be ignored. However, an error is reported anytime more
than five pod specifications are listed.
The polarity can be specified at any point after the label name.
Since pods contain 16 channels, the format value for a pod must be
between 0 and 65535 (216-1). When giving the pod assignment in binary
(base 2), each bit will correspond to a single channel. A "1" in a bit
position means the associated channel in that pod is assigned to that pod
and bit. A "0" in a bit position means the associated channel in that pod is
excluded from the label. For example, assigning #B1111001101 is
equivalent to entering y...... * * * *..* *.*" through the front-panel user
interface.
A label can not have a total of more than 32 channels assigned to it.
The LABel query returns the current specification for the selected (by
name) label. If the label does not exist, nothing is returned. The polarity
is always returned as the first parameter. Numbers are always returned in
decimal format.
command/query
HP 1650B/HP 16518
Programming Reference

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