Mustek PP3000 User Manual download pdf (Page 56)

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PST-7000 series user’s manual – BRIEF INTRODUCTION

an enquiry code from the host will cause the key switch to report its current position

to the application program.

SPEED CONTROL OF OUTPUT

The PST programmable keyboard is capable of adjusting its own speed in

issuing the key definitions when the key is pressed. This feature is important for

certain application or some system environment that too fast output from the keyboard

may cause some difficulties. This feature is referred to as “inter-character delay” in

the programming language and is adjustable in unit of millisecond.

TIME CONTROL ON OUTPUT HOLD

From time to time, there can be need for the keyboard to hold on its output for

a certain period of time before next data to be issued to the system. The PST keyboard

is capable of programming a hold on time in unit of second. This feature is called as

the programmed time delay in the programming language.

SOFTWARE SWITCH OFF

As the PST7000 series is designed to support the software shutdown

command, the answer back function of position LP can be programmed to some

software command that will instruct the application program to start a termination

process and then send the shutdown command codes to the system. In this way, the

key position LP can be used as the software safeguarded power off switch. This

feature is designed for the sake of data preservation.

CONVENIENCE IN PROGRAMMING

The PST programmable keyboard is supported with various methods for

programming its key definitions. However, the details of programming can only be

obtainable in the optional Technical Manual. The followings are those methods that

make programming the PST keyboard an easy job:

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Mustek PP3000 User Manual Page 56