Introduction; Glossary Of Terms; Protocol Stack Structure - Sony VPL-VW85 Protocol Manual

1. Overview

1-1. Introduction

The projector is remotely controllable over RS-232C. It is useful for setting up the projector away from
the operator.
This protocol manual describes the specifications such as packet format and procedures for controlling
the projector.
In the following sections below, the term "CONTROLLER" is used as a device which controls the
projector. CONTROLLER can be a PC or other specific device that is able to handle RS-232C.
Although most of commands are available for both RS-232C.

1-2. Glossary of Terms

Terms
CONTROLLER
PROJECTOR

1-3. Protocol Stack Structure

The protocol stack structure diagram is shown below. Though the stack is drawn for RS-232C, the
following portions are common.
Layer Name Description
Sub Command Value is assigned for projector's functions. Refer to the section 2-1 for detail description.
Simplified Command Packet format for sending/receiving "Sub Command". Refer to the section 3-6-1 for
detail description.
(1) RS-232C
"RS-232C" layer is physical portion and "Asynchronous" is the traditional protocol layer as shown in the
section 3-2.
VPL-VW85
Table 1-1 Glossary of Terms
Abbreviated
_
_
Table 1-2 Common Portions in Protocol Stack
Sub Command
Simplified Command
Asynchronous
RS-232C
Fig. 1-1 RS-232C Protocol Stack
Description
Command initiator such as PCs.
Front projector.
1