Broadata LINK BRIDGE LB-H2-SGA User manual

LINK BRIDGE™ 18G/4K HDMI SIGNAL
GENERATOR & ANALYZER
LBH2SGA
BCI reserves the right to make changes to the products described herein without
prior notice or consent. No liability is assumed as a result of their use or application.
All rights reserved.
©2020 Broadata Communications, Inc.
LB-H2-SGA
USER MANUAL

Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
SAFETY INSTRUCTIONS AND COMPLIANCE DECLARATION
PLEASE OBSERVE THE FOLLOWING SAFETY PRECAUTIONS
SURGE PROTECTION DEVICE RECOMMENDED
This product contains sensitive electrical components that may be damaged by
electrical spikes,surges,electric shock,lightning strikes, etc. Use of surge proctection
system is highly recommended in order to protect and extend the life of your
equipment.

Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
TABLE OF CONTENTS
PRODUCT DESCRIPTION
OPERATION CONTROL AND FUNCTIONS
FRONT/REAR PANEL
OLED SCREEN
SIDE PANEL
REMOTE CONTROL
RS232 PROTCOL & TELNET COMMANDS
TELNET CONTROL
OSD MENU
TEST TIMINGS
TEST PATTERNS
SPECIFICATIONS
REPLACEMENT POLICY
RETURN AND REPAIR SERVICE
LIMITED WARRANTY
4
5
5
9
11
14
15
32
34
45
47
73
74
74
75
1.0
2.0
2.1
3.0
4.0
4.1
5.0
5.1
6.0
6.1
6.2
6.3
6.4
7.0
8.0

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Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
PRODUCT DESCRIPTION
The 18G/4K HDMI 2.0 Signal Generator & Analyzier is a must-have for all AV
System Integrators and Technicians. It is the ideal diagnostic tool for the design,
testingm troubleshooting and repair of various source and sink devices. The
ability to generate various audio and video signal provides you with the flexibility
to easily and accurately diagnose and test various HDMI Video and Audio
equipment. The small form-factor provides you with the ability to quickly conduct
on-site verification testing.
Features include:
• ·HDMI 2.0 (up to 4K@60Hz 4:4:4)
• Analysis of source and sink data paths up to 6G HDMI signals
• Analysis of HDMI data packets
• Analysis and control of HDCP 1.4 and 2.2
• Analysis and emulation of EDID data, including SCDC
• Analysis of input audio signals
• HDR bypass and analysis support
• HDMI timings up to 6Gbps (4096×2160@60Hz 4:4:4, 8-bit)
• Generate HDMI and VGA signal outputs
• External stereo audio input and output
• Generation of LPCM sine wave audio on up to 8 channels
• Front-panel, RS-232, Telnet, and IR Remote controls
• Detailed OSD for settings and information display

Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
5
OPERATION CONTROL AND FUNCTIONS
OLED Screen: Displays the current signal analysis information or test pattern mode
selection details including input and/or output resolution timing. The
screen layout changes completely depending on the unit’s mode.
IR Window: Accepts IR signals from the included IR remote for control of this unit
only.
MENU: Press to enter the OSD menu, or to back out from menu items.
ENTER/OPTION: Press to confirm a selection or to go deeper into a menu item.
When the selected function has optional selections, the associated
button’s LED will illuminate along with the ¼%/% (-/+) buttons.
+/- &: Press to move up and down or adjust selections within menus.
These buttons will illuminate when the selected function has values
that can be adjusted up or down.
PATTERN: Within Pattern mode, press to enable selection of the test pattern
used. The ¼%/% buttons will illuminate and are used to select the
new pattern. The new test pattern will automatically become active
after selecting it and pausing for 2 seconds. Additional variations (if
available) are selected by pressing the button additional times. Within
Analyzer mode, press to turn on/o a “title-safe/action-safe” overlay.
5
6
FRONT PANEL
1
4
3
2
1
No Signal
5V=0 CKDT=0 SCDT=0
_
EDID
PA
TTERN
AUDIO
LPCM
MENU
HDCP
PA
TTERN
HDCP
ON/OFF
ENTER
OPTION
COLOR
SPACE
TIMING
PATTERN
DEEP OUTPUT
COLOR FORMAT
FACTORY
RESET
ANALYSE
R
/PATTERN
+
2
3
4
5
6

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Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
OPERATION CONTROL AND FUNCTIONS
7
8
FRONT PANEL CON’T
No Signal
5V=0 CKDT=0 SCDT=0
_
EDID
PA
TTERN
AUDIO
LPCM
MENU
HDCP
PA
TTERN
HDCP
ON/OFF
ENTER
OPTION
COLOR
SPACE
TIMING
PATTERN
DEEP OUTPUT
COLOR FORMAT
FACTORY
RESET
ANALYSE
R
/PATTER
N
+
TIMING: Press to enable selection of the output timing and resolution used. The
buttons will illuminate and are used to select the new timing.
The currently selected timing will be shown on the OLED display. The new
timing will automatically become active after selecting it and pausing for
2 seconds.
Note: In Analyzer mode, please select the “Bypass” timing if you do not wish for
your source’s output signal to be scaled by the unit before being sent to the
display. The LED will blink Red when the timing is set to Bypass.
ANALYZER/PATTERN: Press to switch the unit between Analyzer Mode (LED=Red)
and Pattern Mode (LED=Blue). When in Analyzer Mode,
press and hold the button for 2 seconds to force an RX
hot-plug. When in Pattern Mode, press and hold the button
for 2 seconds to turn on/o the AVMute bit within the
output’s GCP (General Control Packet).
FACTORY RESET: Press and hold this button while powering the unit on to perform
a factory reset of the unit.
7
8

Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
7
OPERATION CONTROL AND FUNCTIONS
EDID PATTERN: Press to enable selection of the EDID to use on the HDMI input
port. The buttons will illuminate and are used to select
the new EDID. The currently selected EDID will be shown on the
OLED display. The new EDID will automatically become active
after selecting it and pausing for 5 seconds.
AUDIO LPCM: Within Analyzer mode, press to select which digital audio source
pair (0-3) is routed to the primary stereo channel (LPCM 2.0
and headphone output) for monitoring. The LED color indicates
the selection (O=SD0, Red=SD1, Blue=SD2, Purple=SD3). Within
Pattern mode, press to switch between LPCM 2.0 (LED=Red), 5.1
(LED=Blue) and 7.1 (LED=Purple) channel test tone output formats.
Press and hold this button for 2 seconds to allow adjustment of
the output volume.
HDCP PATTERN: Press to enable/disable the OSD display of the detected HDCP
version support and handshaking information between the sink
and source. In Analyzer mode the unit is the RX, in Pattern mode
the unit is the TX. In Pattern mode, if HDCP handshaking fails, an
error message “HDCP OUT FAIL” will be displayed on the OSD.
FRONT PANEL CON’T
11
10
9
No Signal
5V=0 CKDT=0 SCDT=0
_
EDID
PA
TTERN
AUDIO
LPCM
MENU
HDCP
PA
TTERN
HDCP
ON/OFF
ENTER
OPTION
COLOR
SPACE
TIMING
PATTERN
DEEP OUTPUT
COLOR FORMAT
FACTORY
RESET
ANALYSE
R
/PATTERN
+
9
10
11

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Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
OPERATION CONTROL AND FUNCTIONS
HDCP ON/OFF: Press to switch between supported HDCP versions or to disable
HDCP. Within Analyzer mode, OFF (LED=O), HDCP 1.4
(LED=Red), and HDCP 1.4+2.2 (LED=Blue) modes are available
for the input port. Within Pattern mode, OFF, HDCP 1.4, and
HDCP 2.2 modes are available for the output port.
COLOR SPACE: Press repeatedly to switch between the available color space
formats. The button’s LED is colored to indicate the current color
space: Red=RGB, Blue=YCbCr 4:4:4, Purple=YCbCr 4:2:0,
O=YCbCr 4:2:2.
DEEP COLOR: Press repeatedly to switch between the available output color bit
depth options. The button’s LED is colored to indicate the current
bit depth: O=8-bit, Red=10-bit, Blue=12- bit.
OUTPUT FORMAT: Press to switch between DVI (LED=Blue) and HDMI (LED=Red)
output formats. Press and hold the button for 2 seconds to
disable/enable video output completely. The button’s LED will
turn o when output is disabled.
14
13
12
No Signal
5V=0 CKDT=0 SCDT=0
_
EDID
PA
TTERN
AUDIO
LPCM
MENU
HDCP
PA
TTERN
HDCP
ON/OFF
ENTER
OPTION
COLOR
SPACE
TIMING
PATTERN
DEEP OUTPUT
COLOR FORMAT
FACTORY
RESET
ANALYSE
R
/PATTERN
+
15
12
13
14 15
FRONT PANEL CON’T

Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
9
OPERATION CONTROL AND FUNCTIONS
No Signal
5V=0 CKDT=0 SCDT=0
_
EDID
PA
TTE
RN
AUDIO
LPCM
MENU
HDCP
PA
TTERN
HDCP
ON/OFF
ENTER
OPTION
COLOR
SPACE
TIMING
PATTERN
DEEP OUTPUT
COLOR FORMAT
FACTORY
RESET
ANALYSE
R
/PATTER
N
+
OLED Screen:
Analyzer Mode (Analyzer/Pattern button is RED): In Analyzer mode, if there is
no live video source detected on the input port, the OLED will display an
voltage, TMDS or sync that might be present. Once a live video signal is detected,
the unit will display that signal’s current timing, format, HDCP version, AV Mute
status, color space, color depth and audio format.
+5V Pin
Detection
Sync Signal
Detection
TMDS Clock
Detection
1920x1080p24 3D HDMI
HDCP1 M Y444 12B LPCM
Resolution HDMI/DVI3D
HDCP
1.4/2.2
GCP AV
Mute
Color
Space
Color
Depth
Audio

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Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
OPERATION CONTROL AND FUNCTIONS
Pattern Mode (Analyzer/Pattern button is BLUE): In Pattern mode, when the output isn’t
connected to a sink, the unit will display the current output timing, RX Sense, and Hot-
plug detection status. Once an active sink has been connected, the lower portion of the
display will change to indicate the current test pattern number and name.
T62 1080p59
Sink RSEN=0 HPD=0
Sink/
Source
Hot Plug
Detection
RS Sense
Detection
T62 1080p59
P06 Colorbar S.
Test Timing
Test Pattern

Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
11
OPERATION CONTROL AND FUNCTIONS
SIDE PANEL A
16 18 17
AUDIO OUT: Connect to powered speakers or an amplifier for stereo analog audio
output with a 3.5mm phone jack cable.
VGA OUT: Connect to a VGA (RGB) monitor or display for analog video output.
HDMI OUT: Connect to HDMI TVs, monitors or amplifiers for digital video and
audio output.
HDMI IN: Connect to HDMI source equipment such as a media player, game
console or set-top box.
AUDIO IN: Connect to the stereo analog output of a device such as a CD player or
PC.
18
17
16
AUDIO OUT VGA OUT
HDMI OUT
SIDE PANEL B
19 20
HDMI IN
AUDIO IN
20
19

12
Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
OPERATION CONTROL AND FUNCTIONS
SIDE PANEL C
POWER
21
POWER: Flip this switch to turnthe unit ON or OFF after connecting an approproate
power source.
21
SIDE PANEL D
22 24 23 25
CONTROL RS-232 SERVICE DC 5V
CONTROL: Connect directly, or through a network switch, to your PC/laptop to
control the unit via Telnet.
RS-232: Connect directly to your PC/laptop to send RS-232 commands to control
the unit.
SERVICE: This slot is used for firmware updates and uploading customer designed
test pattern files.
Note: The patterns are restricted to 640×480 and 1920×1080. Both must be 24-
bit RGB bitmap files
DC 5V: Plug the 5V DC power supply into the unit and connect it to an AC wall
outlet for power or use the DC to USB adapter cable to connect to a
portable USB power bank (2.1A minimum) for power.
24
23
22
25

Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
13
OPERATION CONTROL AND FUNCTIONS
1
2
3
5
4
6
7
9
10
12
13
8
11
14
Analyzer/Pattern Press to switch between Analyzer Mode and Pattern Mode
EDID: Press repeatedly to switch between the available EDIDs for the
HDMI input
Color Space: Press repeatedly to space formats (RGB, YCbCr 4:4:4, YCbCr 4:2:2
and YCbCr 4:2:0)
HDCP SW: Press to switch between supported HDCP versions or to disable
HDCP.
Format: Press to switch between DVI and HDMI output formats.
VGA~4K6G: Press to directly select the output resolution.
Output On: Press to enable video output.
Output O: Press to disable video output.
5
6
4
3
2
1
1
7
8
REMOTE CONTROL

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Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
OPERATION CONTROL AND FUNCTIONS
T-T+: Press (+/-) to select a new output resilution timing. Within the OSD
menu, press to adjust selections.
P+P-:: Press (+/-) to change the current test pattern. Within the OSD
menu, press to move up and down.
OK: After selecting a pattern, press and hold for 2 seconds to switch to
alternate variations of the pattern. Within the OSD menu, press to
confirm selections.
Menu Press to enter the OSD menu.
Exit: Press to exit the OSD or cancel the selection.
Source: Press to display source signal information on the OSD.
Video T: Press to display video analysis details on the OSD. Audio T*.:Press to
display audio analysis details on the OSD.
Packet: Press to display the HDMI input’s packet analysis info. Hot plug*:
Press to force an RX hot-plug event on the input port.
Sink**: Press to display HDMI output detection/information on the OSD.
AV Mute1**: Press to turn on the AVMute but within the output’s GCP.
AV Mute0**: Press to turn o the AVMute but within the output’s GCP.
Note: * for use in Analyzer Mode only;
** for use in Pattern Mode only.
Audio CH: Within Analyzer mode, press to select which digital audio source pair
(0-3) is routed to the primary stero channel for monitoring. Within
Pattern mode, press to switch between LPCM 2.0, 5.1 and 7.1 channel
test tone output formats.
Mute/Vol-/Vol+: Press the Mute button to mute both digital and analog audio
outputs. Press the Vol-/Vol+ buttons to increase.decrease the
volume.
13
14
12
11
10
9
REMOTE CONTROL CON’T

Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
15
RS-232 PROTOCOL & TELNET COMMANDS
UNIT DCE*
Pin Pinout
1 1
2TxD
3 RxD
4
5 GND
6
7
8
9
SERIAL PORT SETTINGS
Baud Rate 115200
Data Bits 8
Parity Bits None
Stop Bits 1
Flow Control None
Termination CR (xoD)
* DCE: Data Communications Equipment

16
Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
RS-232 PROTOCOL & TELNET COMMANDS
COMMANDS
DESCRIPTION VARIABLES
$?
Show full command list.
$HELP
Show full command list.
$AUDIO_CH N1
Set the number of internally Available values for N1:
sourced audio output channels. 2 [2 Channels (2.0)]
6 [6 Channels (5.1)]
8 [8 Channels (7.1)]
$AUDIO_CH?
Display the current number of audio
$AUDIO_FREQ N1,N2
Set the internal audio output frequen-
cy of the selected channel (in Hz).
Available Values for N1:
SD0_L [SD0 Left Channel]
SD0_R [SD0 Right Channel]
SD1_L [SD1 Left Channel]
SD1_R [SD1 Right Channel]
SD2_L [SD2 Left Channel]
SD2_R [SD2 Right Channel]
SD3_L [SD3 Left Channel
SD3_R [SD3 Right Channel]
N2 = MUTE, 200, 400, 600, 800,
1200, 1400, 1600
$AUDIO_FREQ? N1
Display the internal audio output Available Values for N1:
frequency of the selected SD0_L [SD0 Left Channel]
channel (in Hz). SD0_R [SD0 Right Channel]
SD1_L [SD1 Left Channel]
SD1_R [SD1 Right Channel]
SD2_L [SD2 Left Channel]
SD2_R SD2 RIGHT CHANNEL
SD3_L SD3 LEFT CHANNEL

Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
17
RS-232 PROTOCOL & TELNET COMMANDS
COMMANDS
DESCRIPTION VARIABLES
$?
Show full command list.
$HELP
Show full command list.
$AUDIO_CH N1
Set the number of internally Available values for N1:
sourced audio output channels. 2 [2 Channels (2.0)]
6 [6 Channels (5.1)]
8 [8 Channels (7.1)]
$AUDIO_CH?
Display the current number of audio
$AUDIO_FREQ N1,N2
Set the internal audio output frequen-
cy of the selected channel (in Hz).
Available Values for N1:
SD0_L [SD0 Left Channel]
SD0_R [SD0 Right Channel]
SD1_L [SD1 Left Channel]
SD1_R [SD1 Right Channel]
SD2_L [SD2 Left Channel]
SD2_R [SD2 Right Channel]
SD3_L [SD3 Left Channel
SD3_R [SD3 Right Channel]
N2 = MUTE, 200, 400, 600, 800,
1200, 1400, 1600
$AUDIO_FREQ? N1
Display the internal audio output Available Values for N1:
frequency of the selected SD0_L [SD0 Left Channel]
channel (in Hz). SD0_R [SD0 Right Channel]
SD1_L [SD1 Left Channel]
SD1_R [SD1 Right Channel]
SD2_L [SD2 Left Channel]
SD2_R SD2 RIGHT CHANNEL
SD3_L SD3 LEFT CHANNEL
COMMANDS
DESCRIPTION VARIABLES
$AUDIO_MUTE N1
Turn the audio output mute on or o. N1 = ON, OFF
$AUDIO_MUTE?
Display the audio output mute state.
$AUDIO_SOURCE N1
Set the audio output source.
Available values for N1:
ANA [Analog Input]
HDMI [HDMI Input]
INT [Internal]
$AUDIO_SOURCE?
Display the audio output source.
$AUDIO_SR N1
Set the internal audio output N1 = 48, 96, 192
sampling rate (in kHz).
$AUDIO_SR?
Display internal audio output sam-
$AUDIO_VOL N1
Set the audio output volume. N1 = 0 ~ 80
$AUDIO_VOL?
Display the current audio output vol-
$BOOT GO
Reboot the unit.
! The unit won’t respond to any commands during the boot process.
$BOOT?
Display the current boot state.
$CED_ERROR_COUNT?
Get every channel CED error count. Response:
CED OSD menu and timer should be $ced_error_count? hh:mm:ss,
ch0 count,ch1 count, ch2 count,
$CED_RESET

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Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
RS-232 PROTOCOL & TELNET COMMANDS
COMMANDS
DESCRIPTION VARIABLES
$CED_UPDATE_COUNT?
Gets the CED_update flag count Response: $ced_update_count?
hh:mm:ss,count
$COLOR_SPACE N1
Set the output color space.
Available values for N1:
Y444 [YCbCr 4:4:4]
Y422 [YCbCr 4:2:2]
Y420 [YCbCr 4:2:0]
$COLOR_SPACE?
Display the current output color
$DEEP_COLOR N1
Set the output color bit depth. N1 = 8, 10, 12
$DEEP_COLOR?
Display the current output color bit
$EDID_COPY_SINK N1
Copy the current HDMI sink’s EDID to N1 = C1 ~ C10
! If the copy fails “$err” will be displayed.
$EDID_MANUF? N1
Display the manufacturer name
stored in the EDID of the selected
location.
Available values for N1:
RX [HDMI Input (Rx) Port]
SINK_H [HDMI Sink]
SINK_V [VGA Sink]
! If the EDID fails to be read, “$err_ddc” will be displayed.
If the EDID has invalid content, “$err_bad” will be displayed.
$EDID_MODEL? N1
Display the model/monitor name
stored in the EDID of the selected
location.
Available values for N1:
RX [HDMI Input (Rx) Port]
SINK_H [HDMI Sink]
SINK_V [VGA Sink]

Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
19
RS-232 PROTOCOL & TELNET COMMANDS
COMMANDS
DESCRIPTION VARIABLES
$CED_UPDATE_COUNT?
Gets the CED_update flag count Response: $ced_update_count?
hh:mm:ss,count
$COLOR_SPACE N1
Set the output color space.
Available values for N1:
Y444 [YCbCr 4:4:4]
Y422 [YCbCr 4:2:2]
Y420 [YCbCr 4:2:0]
$COLOR_SPACE?
Display the current output color
$DEEP_COLOR N1
Set the output color bit depth. N1 = 8, 10, 12
$DEEP_COLOR?
Display the current output color bit
$EDID_COPY_SINK N1
Copy the current HDMI sink’s EDID to N1 = C1 ~ C10
! If the copy fails “$err” will be displayed.
$EDID_MANUF? N1
Display the manufacturer name
stored in the EDID of the selected
location.
Available values for N1:
RX [HDMI Input (Rx) Port]
SINK_H [HDMI Sink]
SINK_V [VGA Sink]
! If the EDID fails to be read, “$err_ddc” will be displayed.
If the EDID has invalid content, “$err_bad” will be displayed.
$EDID_MODEL? N1
Display the model/monitor name
stored in the EDID of the selected
location.
Available values for N1:
RX [HDMI Input (Rx) Port]
SINK_H [HDMI Sink]
SINK_V [VGA Sink]
COMMANDS
DESCRIPTION VARIABLES
$CED_UPDATE_COUNT?
Gets the CED_update flag count Response: $ced_update_count?
hh:mm:ss,count
$COLOR_SPACE N1
Set the output color space.
Available values for N1:
RGB [RGB 4:4:4]
Y444 [YCbCr 4:4:4]
Y422 [YCbCr 4:2:2]
Y420 [YCbCr 4:2:0]
$COLOR_SPACE?
Display the current output color
$DEEP_COLOR N1
Set the output color bit depth. N1 = 8, 10, 12
$DEEP_COLOR?
Display the current output color bit
$EDID_COPY_SINK N1
Copy the current HDMI sink’s EDID to N1 = C1 ~ C10
! If the copy fails “$err” will be displayed.
$EDID_MANUF? N1
Display the manufacturer name
stored in the EDID of the selected
location.
Available values for N1:
RX [HDMI Input (Rx) Port]
SINK_H [HDMI Sink]
SINK_V [VGA Sink]
! If the EDID fails to be read, “$err_ddc” will be displayed.
If the EDID has invalid content, “$err_bad” will be displayed.
$EDID_MODEL? N1
Display the model/monitor name
stored in the EDID of the selected
location.
Available values for N1:
RX [HDMI Input (Rx) Port]
SINK_H [HDMI Sink]
SINK_V [VGA Sink]

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Link Bridge™Signal Generator and Analyzer User Manual (LB-H2-SGA)
RS-232 PROTOCOL & TELNET COMMANDS
COMMANDS
DESCRIPTION VARIABLES
! If the EDID fails to be read, “$err_ddc” will be displayed.
If the EDID has invalid content, “$err_bad” will be displayed.
$EDID_NAME N1,N2
Set the EDID name of the selected
copy slot.
N1 = C1 ~ C10
N2 = {Name} [20 characters max]
$EDID_NAME? N1
Display the name of the selected N1 = D1 ~ D10, C1 ~ C10
$EDID_NATIVE? N1
Display the native resolution value
stored in the EDID of the selected
location.
Available values for N1:
RX [HDMI Input (Rx) Port]
SINK_H [HDMI Sink]
SINK_V [VGA Sink]
! First detailed timing from Block 0.
If the EDID fails to be read, “$err_ddc” will be displayed.
If the EDID has invalid content, “$err_bad” will be displayed.
$EDID_READ N1,N2
Displays the selected data block
stored in the EDID of the selected
location.
Available values for N1:
D1 ~ D10 [Default EDID 1 ~ 10] C1
SINK_V [VGA Sink]
Available values for N2: BLOCK0
BLOCK1 [EDID Block 1]
BLOCK2 [EDID Block 2]
BLOCK3 [EDID Block 3]
! This data is output as a bit stream of 128 bytes following the <CR><LF>
Each hex data unit is composed of 3 digits. The first 2 digits are the
hex value. The 3rd digit is a space (0x20).
Blocks 2 & 3 are only supported from the HDMI Sink.