User Interface Commands
FOT Lab Kit User’s Manual 4-25
Action Commands (One-Letter)
Several commands which perform a simple function without the
need of parameter data from the user are implemented as single-
character commands. These commands consist of holding down
the Control key (CTRL) and pressing one additional key. See the
Summary of Commands below.
These commands are used to enable or disable an operation,
initiate or terminate an event etc. If the command is successfully
received and executed the character is echoed back.
NOTE Many of these characters will not print through a terminal
emulation application or may print as semi-graphic or garbage
characters so it is sometimes difficult to determine whether the device
has responded properly simply by looking. This, of course is not a
problem when the device is under the control of a custom control
program since in that case the character is not displayed, but is simply
recognized as just another number.
The FOT Lab Kit user interface includes eleven (11) one-letter
Action Commands that instruct the instrument to perform a
function or switch mode. Conceptually, there are four "modes"
defined for the FOT Lab Kit device. A summary listing of these
commands in Table 4-2 on page 4-5.
Modes of
Operation
The FOT Lab Kit has four different operation modes. The Active
Commands are used to switch from one mode to another, or to
initiate specific events while the FOT Lab Kit is in a particular
operational mode. The four modes are Standard, Remote control,
Stand by, and Calibration.
Standard Mode
In Standard mode temperatures are reported periodically
based upon the interval set using the MU command.
Remote Control Mode
In Remote Control mode temperatures are reported only when
the PC host requests them.
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