Hall Research HSM-I-04-04 - Manual (Page 15)

Genesis Digital™ HDMI Matrix Switches
13
Command:
HDm stands for HDCP Status Query on input m
Response:
HDm,x x=0 (no video detected on input), x=1 (video detected on input
without HDCP), x=2 (video detected on input with HDCP). This command is
useful for several purposes. For example, if you do not have HDCP compliant
displays on all outputs and you try to send an input with HDCP to an output
display that is not HDCP compliant, you will not get an image. This command
enables you to check the status of each input and only route content that can be
displayed to those outputs. In addition, since this command detects presence of
video on inputs, you can use it to check status of inputs and reroute outputs if
there is no video on the input currently routed.
Command:
EDx stands for EDID Emulation. x=1 (default HDTV), x=0 (Fully
Emulated Hall Research DVI)
Response:
EDx
This command is used to change the way EDID is reported to the sources.
The default setting is 1. In this mode, the EDID is algorithmically constructed
based on the capabilities of all the LCD’s connected at all outputs.
The special setting is 0. In this mode, the first 128 bytes of EDID table
correspond to Hall Research canned emulation, in which most standard PC (both
4x3 and 16x9) resolutions are reported to all the inputs. This mode should be
used if your inputs are from PC’s DVI and you are having trouble getting the full
complement of resolution choices.
Please note that after changing the EDID emulation mode you must either
unplug and reconnect the unit, or issue a FB (firmware boot) command.
Variation: ED
This command is used to query the current setting of the EDID Emulation setting
Command:
ST stands for Status Query
Response: PW1
CO1, m
1
CO2, m
2
CO3, m
3
CO4, m
4
HD1, x
1
HD2, x
2
HD3, x
3
HD4, x
4
Command:
FR stands for Factory Reset
Response:
FR
PW0
This command is used to clear all the preset ties in memory. It also connects all
the outputs to the same input and powers the unit off. If your unit also has an IP
interface, this command does not erase user defined names nor IP address
assignments. Please see FD command in IP section which does the same but
also restores the IP interface to factory default status.
4.5 Invalid Commands
Avoid using invalid commands! Lengthy garbage strings or irrelevant RS-232 data sent to the matrix can
cause system crash. Wrong commands or those with syntax error will prompt the following response:
INVALID COMMAND