HP 54501A - Page 169

TTL
TTL
command
The
:CHANNEL<
N
>
:TTL
command
sets
the
vertical
range,
offset,
channel
coupling,
and
trigger
level of
the
selected
channel
for
optimum
viewing
of
TTL
signals.
The offset
is
set
to 2.5 volts.
The
trigger
level
is
set
to
1.4
volts
and
the
range
is
set to
8.0
volts
full
scale.
Channel
coupling
is
set
to
DC.
There
is
no query
form
of
this
command.
Command
Syntax:
:CHANnei
<
N
>
:TTL
Example:
OUTPUT
707;":CHAN1
:TTL"
Where:
<N>
::=
1,2,3,or4
HP
54501A
Programming
Channel Subsystem
10-9