Lightspeed CAT 860, User Manual

Page: 45 / 88

45
1. Overview
2. Setup & Use
3. Optional
Accessories
4. T
roubleshooting
5. W
arranty
, Safety
& Specifications
13. RS-232 SERIAL INTERFACE
PROGRAMMING
CONT’D
<CMD>
Symbol
Hex
Value
<Param> Value Definition
QEAV? 0xEB Command Packet:
The controller sends no
<Param> character in the
command packet.
This command causes the
CAT 860 to return a query
response packet where the
added <Param> character
contains the “enable” status
set by EAVS (<0xE0>).
Response Packet:
If the command is properly
received, the CAT 860
responds by repeating back
the command packet to the
serial controller with the
added <Param> character
containing the value
indicating the “enable”
status set by EAVS (<0xE0>).
The possible values are
shown below:
0x80 = TV/VCR Enabled
0x81 = CD/DVD Enabled
0x82 = COMPUTER Enabled
0x83 = AUX IN Enabled
If the command is not
received properly, the CAT
860 responds by sending a
<NACK> character.
BASIC COMMAND SET FOR AUDIO SWITCHER OPERATIONS CONT’D
Audio Input Functions for the A/V Source Group Cont’d
11. QUERY ENABLED AUDIO/VIDEO SOURCE COMMAND