HP 82479A Owner's Manual page 49

Keywords
RTNERR
FTHERE
If an OH ERROR... GISLE trap is active, this statement may be used to return to the statement that
caused the error. If no error trap is active, [= THERbehaves the same way as FE TLIFH, which returns
to the statement following the statement that caused the error.
RTRIMS$
FTE IMEC string expression [+ string expression]
string expression —- a string of ASCII characters
If the optional second string expression is omitted, the function returns the first string expression with all
trailing spaces removed.
If the second string expression is included, the first character in the second string is used as the "trim'
character, rather than the space. The function returns the first string expression with all trailing "trim"
characters removed. For example, if the first string is "abbbaaaa" and the second string is "abc", the
function will return "abbb".
SEND3421
SEMIESE1 string expression
string expression — a command string to be output to the HP 3421A.
This statement sends a command string to the HP 3421 A without expecting a reply.
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