Language Reference

PROTECT

Prevent disposal or rede￿nition of internal memory.

Item

 

 

 

 

 

 

 

 

 

 

Description

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Range

 

For user-de￿ned

trace ,

user-de￿ned function ,

or user-de￿ned

variable , range

is 1

{ 12

characters: A { Z,

 

 

0 { 9, and underscore

(

 

). First

character

must be a

letter.

Numbers must

be

preceded by

underscore .

 

 

For number , range is

integers,

1

{

14.

 

 

 

 

 

 

 

 

Delimiters

 

Required before

and after ￿le

name

when

it

contains

a number or lower-case

letters.

When

￿le name

 

 

is upper-case alpha characters only

,

delimiters

are optional.

 

 

 

 

 

Example

10 OUTPUT 723;"PROTECT DLP,ON;"

 

Protect a stored user-de￿ned function called

 

 

 

 

 

 

 

 

 

 

 

DLP.

 

 

 

 

 

 

Description The PROTECT command prevents the disposal or rede￿nition of allocated internal memory.

PROTECT ALL protects the entire contents of internal memory against erasure or overwriting by the following commands.

￿ACTDEF (active user-de￿ned function)

￿AMPCOR (amplitude correction factors)

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