Owner's Manual
Table Of Contents
- Instructions
- Getting Started
- Set up
- Operate
- Adjust/Set
- Maintenance
- Troubleshooting
- Others
- Quick Start Guide
- External Command Communication Specification
- 1 Outline
- 2 Interface
- 3 Protocol
- 4 Command control
- 4.1 NULL command
- 4.2 Power [PoWer]
- 4.3 Input [InPut]
- 4.4 Remote control pass-through [RemoteCode]
- 4.5 Setup [SetUp]
- 4.6 Gamma data of Gamma table “Custom 1/2/3” [GammaRed, Green, Blue]
- 4.7 Panel Alignment (zone) Data [Panel Alignment(Zone) Red, Blue]
- 4.8 Source Asking [SourCe]
- 4.9 Model status asking [MoDel]
- 4.10 Adjustment [AdjustmentCommand]
- Command code
- Parameter1
- Parameter2
- 4.10.1 Special data
- Special data
- Picture mode
- Color Profile
- Color Temp. Table Data
- Color Temp. Correction Data
- Gamma Table Data
- Gamma Correction Data
- Dynamic Control Data
- Color Management Data
- Low Latency Data
- Clear Motion Drive Data
- Motion Enhance Data
- LD Power Data
- Graphic Mode Data
- HDMI Input Level Data
- HDMI Color Space Data
- HDMI 2D/3D Data
- Aspect Data
- Mask Data
- Lens Control(Focus Near, Focus Far, Zoom Tele, Zoom Wide, Shift Left, Shift Right, Shift Up, Shift Down) Data
- Lens Image Pattern, Lens Lock, Screen Adjust, Uniformity Correction Data
- Installation Style Data
- Anamorphic Data
- Panel Alignment Switch Data
- High Altitude mode
- Back Color Data
- Menu Position Data
- Source Display
- Language Data
- Trigger Data
- Off Timer Data
- Eco Mode Data
- Control 4 Data
- Input Data
- Source Data
- Deep Color Data
- Color Space Data
- Colorimetry Data
- HDR Data
- 4.10.2 Special2 Data
- 4.10.3 Special3 Data
- 4.10.4 Special9 Data
- 4.10.5 Special10 Data
- 4.10.6 Special14 Data
- 4.10.7 Operation
- 4.10.8 Reference
- LAN setup [Lan Setup]
- Screen Codes
- Safety Precautions
4 Command control
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4 Command control
4.1 NULL command
In using CEDIA commands, it is used in order to confirm whether transmission is possible.
It is used to confirm whether the external controller and the projector are properly connected.
Command code
Table 4-1 NULL CMD
HEX
ASCII
Function
Operation
Reference
0x00
0x00
NULL
NULL
NULL command
-
Parameter
None
4.1.1 Operation
Use the command as shown in the following examples.
Purpose: To confirm whether the external controller and the projector are properly
connected.
(1) Data is transmitted from the external controller to the projector as follows.
1: External controller →
0x21
0x89
0x01
0x00
0x00
0x0A
'!'(Operation)
PJ
Individual:1
NULL
NULL
End
(2) If the external controller and the projector are connected and the projector is operating normally, the projector returns an ACK to
the external controller as a NULL command response.
2: ← Projector
0x06
0x89
0x01
0x00
0x00
0x0A
ACK
PJ
Individual : 1
NULL
NULL
End
By the above exchange, it can be confirmed whether the connection and communication are normal or abnormal.
4.1.2 Reference
N/A