OPTICAL CODE READER AND METHODS AND ARTICLES THEREFOR
摘要
A method comprises steps of sensing a first user action (700), transmitting a first optical message in response to the first user action (714), and performing at least one optical code reading step in response to non-receipt of a valid response to the first optical message (724). An apparatus to perform the aforementioned steps and an article of manufacture to direct the aforementioned steps are disclosed.