ELM Video MTC-HH Manuel utilisateur
MTC-HH & MTC-PCB
Operations Guide
Midi Time Code Reader / Analyzer
PRODUCT OVERVIEW
The MTC is a fully input isolated Midi Time Code (MTC) signal analyzer and is part of a modular
system for quick, easy and CUSTOM configuration The MTC module receives midi time code and
any (FX) clock messages from a computer or any midi instruments or device that sends MTC,
decodes and displays the MTC in a clock format By entering the “HOLD” mode, the last few
messages can be viewed and scrolled through for analyzing
Whether your a programmer, engineer, musician, or show control operator, this device and module
system is ideal The MTC filters all messages except MTC and FX messages In conjunctions with
other M series modules all midi messages can be viewed and analyzed The MTC has flexibility with
power switch jumper settings so each module can be independent or powered by one unit The MTC
has 2 receive modes of operation:
DECODE MODE
In the Decode mode the display shows the MTC (F1) messages in a clock format Other messages
that pertain to MTC are also decoded and displayed: Full Message, User Bit, and Midi Cueing These
messages are embedded in a System Exclusive message and are decoded and displayed if the
criteria is met within the message, if it is not met by the number of bytes within the message not
matching the message will return as a standard System Exclusive message for analysis
Page 1
www.elmvideotechnology.com MTC_PC _Operations_Guide .lwp
This product is covered by US patent 7,786,371 copyright
©
ELM Video Technology 2006-2016
E M Video
Technology, Inc.
“Innovative DMX and MIDI Products”
FX - All messages that begin with hexadecimal “ F “ and followed by a data byte of “ X “ is a System
Common Message or System Real-Time Message. The MTC only responds to these messages, which
consists of;
SYSTEM COMMON MESSAGES: System Exclusive (F0), MTC (F1), Song Position Pointer (F2), Song
Select (F3), Undefined (F4, F5, F9, and FD), Tune Request (F6), End of System Exclusive (F7), and
SYSTEM REA -TIME MESSAGES: Timing Clock (F8), Start (FA), Continue (FB), Stop (FC), Active Sensing
(FE), and Reset (FF). Note that Reset (FF) does NOT reset the module.
See the web sight ‘Midi Manufacturers Association’ for more information about MIDI messages.
http://www.midi.org/
)
In the HOLD mode the last few bytes can be displayed and scrolled through, including a message
counter ‘Midi Time Code’ (F1), ‘Time Clock’ (F8), and ‘Active Sensing (FE) messages can be
selected to be filtered, An indicator shows if they are present whether they’re filtered or not
HEX MODE
In the Hex mode the data is displayed in a Hexadecimal format for technical viewing, and displays
the data AS IS without any decoding In the HOLD mode the last 112 bytes can be displayed and
scrolled through, including a byte counter ‘Midi Time Code’ (F1), ‘Time Clock’ (F8), and ‘Active
Sensing (FE) messages can be filtered out An indicator shows if those messages are present
whether they’re filtered or not
The bottom right of the display shows errors, filter on/off, and if MTC, Timing clock and Active
Sensing are present Both modes retain 112 bytes of data that allows the user to ‘HOLD’ and view by
scrolling left and right through the data
SWITCH & CONNECTION OVERVIEW
6 DATA/HOLD - NORMAL operation indicates data
is present, constant ON indicates ‘HOLD’ mode
8 LCD - Liquid Crystal Display contrast adjustment
9 BK LITE - Liquid Crystal Display BACK LIGHT
brightness adjustment
10 L - Left scroll in HOLD mode, toggles settings in
PROGRAM mode
11 HOLD - Toggles between NORMAL and HOLD
mode If pressed and held during power on or reset
the MA1 will enter the PROGRAM mode
12 R - Right scroll in HOLD mode, toggles settings
in PROGRAM mode
MTC Midi Time Code
E M Video
Technology
“Innovative DMX and MIDI Products”
Page 2
www.elmvideotechnology.com MTC_PC _Operations_Guide .lwp
This product is covered by US patent 7,786,371 copyright
©
ELM Video Technology 2006-2016
o - overrun err
f - framing err
t - timeout err
Filter on
MTC
Clock
Active sns
? - unknown
L
Operation
There are 2 modes of operation: PROGRAM and RECEIVE mode In the receive mode there are 2 modes: DECODE
and HEX, selected in the program mode The PCB powers in a receive mode Within these modes the last messages or
bytes can be viewed by pressing the ‘hold’ button (11) and the user can scroll the data by using the Left (10) and Right (12)
buttons Note that a complete MTC message is actually eight bytes combined, when viewing the MTC in the HOLD mode,
each message is broken down into the eight messages Full Message, User Bit, and Midi Cueing messages are decoded
and displayed as one message
PROGRAM MODE
- To enter the program mode press and hold the ‘HOLD’ button and reset or toggle the power
Once in the pgm mode the current setting is displayed in the lower right To exit the pgm mode at any time press and hold
the ‘HOLD’ button for 2 seconds or press the reset button The programmed setting can be toggled by pressing the left or
right button The change is stored IMMEDIATELY (what you see is the
stored setting) Press HOLD to advance to the next option The last display
displays the software version Note ** No midi data will be received while in
the pgm mode
Decode or Hex Mode - Selects the operational mode, ‘Decode mode’
decodes the incoming data, ‘Hex mode’ displays the incoming data in a
hexadecimal format without decoding
Filter F1 - If YES is selected no ‘Midi Time Code’ (F1) message is
received or stored
Filter F8 - If YES is selected no ‘Time Clock’ (F8) message is received
or stored
Filter FE - If YES is selected no ‘Active Sensing’ (FE) message is
received or stored
Data ED - If ON is selected, all data traffic is shown (except ‘Midi Time
Code’ (F1), ‘Time Clock’ (F8), and ‘Active Sensing (FE) messages) If
OFF is selected the LED is used ONLY to display the HOLD mode
Restore Defaults - Select ‘yes’ to load the factory default settings The
settings will be stored and the unit will return to a receive mode
Display Software Version - The displayed page shows the product type
and software version To exit press hold
DECODE MODE
- The decode mode is selected in the program mode
Within the decode mode there is 2 modes of operation; Display and Hold
mode In the Display mode all incoming MTC data will be decoded and
displayed For the standard “F1 XX” messages the data is displayed;
Quadrant: LCD MTC Receive
Display
1 MTC in clock format
2 Number of Frames and (n)non (d)drop
3 received midi message’s status*
see LCD STATUS QUADRANT TABLE 1
* An ‘M’ = MSB Most Significant Byte) and an ‘L’ = LSB
Least Significant Byte). If followed by; an ‘h’ indicates hexadecimal format data.
By pressing the ‘HOLD’ button the unit enters the Hold 1 mode The LED indicator will come on The display will be HOLD
the current LCD display and has not yet entered the “scrollable” HOLD mode This allows the user to stop the incoming
messages without decoding the last F1 XX message, the time is held for viewing If the LEFT or RIGHT button is pressed
MTC Midi Time Code
E M Video
Technology
“Innovative DMX and MIDI Products”
Page 3
www.elmvideotechnology.com MTC_PC _Operations_Guide .lwp
This product is covered by US patent 7,786,371 copyright
©
ELM Video Technology 2006-2016
Load
Defaults?
Filter MTC (F1) Yes / No
Filter Timing Clock (F8) Yes / No
Filter Active Sensing (FE)
Yes / No
Display software
version
EXIT program
mode
Load factory
settings
Program Mode
Data LED On/Off
Decode / HEX Mode
the module will enter the “scrollable” HOLD mode and will display the last received message By pressing the Hold button
again will resume the receiving of data
While in the HOLD mode the left and right buttons will allow the user to scroll through the data The arrows indicate more
data is present in that direction The byte number is displayed on the right side of the LCD ( i e “# 03” ) The type of
message and hexadecimal data is displayed for each message stored, (the last message received is message 1) The
message number will increase as you scroll left and decrease as you scroll right for all messages
System Exclusive Messages (F0) - If the message is a Sys Ex
message and it matches the criteria (see Sys Ex Criteria Tables) for Midi
Time Code’ (F1), ‘Time Clock’ (F8), and ‘Active Sensing (FE), then the
message is decoded and displayed accordingly If the message doesn’t
meet the criteria the message is displayed as a standard System
Exclusive message and is displayed differently Quadrant 1 displays the
total number of bytes in the Sys EX message Quadrant 2 displays the YTE number directly above that byte Quadrant 3
is the System Exclusive data Once a Sys Ex message is displayed the scrolling option will change If the Sys Ex message
has more than 7 bytes (which is the display range) then the right arrow will be on, if you scroll right it will show the 8th byte
within the Sys Ex message Once your in a Sys Ex display range the arrows indicate the direction of data in that range
unless your at the head or end of the range indicated by an ‘F0’ or ‘F7’, if so it will advance to the next message Note that
there is NOT a message counter displayed, only a BYTE counter while displaying a Sys Ex message
No data is received during HOLD.
See Scroll layout table for scrolling description
HEX MODE
- The hex mode is selected in the program mode Within the decode mode there are 2 modes of operation;
Display and Hold mode In the Display mode all FX MIDI data will be displayed in hexadecimal format All other types of
messages are ignored The newest byte of data will be displayed in the upper right of the display In this mode only 3
types of data can be filtered; Midi Time Code (F1), Timing Clock (F8), and Active Sensing (FE)
Quadrant:
1 incoming hex data, newest byte far right
2 MTC received midi message’s status
See LCD Status Quadrant Table
By pressing the ‘HOLD’ button enters the Hold mode The LED indicator will come on The hex data is shifted to the
bottom row The lower right byte is the last byte received The upper right will show the byte number of the byte directly
below The left and right buttons will scroll through the data The arrows indicate more data is present in that direction
The byte number will increase as you scroll left and decrease as you scroll right The data is display exactly as it was
received
No data is received during HOLD. See Scroll layout table for scrolling description
Quadrant:
1 byte number of the byte below
2 MA1 and received midi message’s status
MTC Midi Time Code
E M Video
Technology
“Innovative DMX and MIDI Products”
Page 4
www.elmvideotechnology.com MTC_PC _Operations_Guide .lwp
This product is covered by US patent 7,786,371 copyright
©
ELM Video Technology 2006-2016
* Known overflow condition example hex) 83 24 F8 F9 FA FB FC FD FE FF 7F FE FE FE FE , ALL THESE INSERTED W/ ANY 8X - EX FILTER ON,
CAUSES AN OVERFLOW AND IF MORE ARE SENT CAUSES A FRAMING ERROR TOO. INSERT TEST 8XB 7TH TX))
Sys Ex Criteria
MTC Midi Time Code
E M Video
Technology
“Innovative DMX and MIDI Products”
Page 5
www.elmvideotechnology.com MTC_PC _Operations_Guide .lwp
This product is covered by US patent 7,786,371 copyright
©
ELM Video Technology 2006-2016
“Active Sensing is being received‘A’6
“Timing clock is being received‘C’5
midi sending
device
Midi Time Code is being received‘M’4
pgm mode
filter options
Filter is ON - any or all filters are active Enter the program
mode to show which ones are on
‘F’3
this error is overridden by the
‘?’ unknown message error
resetoverrun error has occurred - to much data is rec eived with
special features turned on such as Filtering, Running status &
Real time messages (F8 - FE) which require more processing
If this error occurs - limit these features/functions *
‘o’2
resetunknown message has been received - incorrect number of
bytes received, either to many or to little
‘?’2
this error is overridden by the
‘framing’ error
resettime out error has occurred - occurs if there is more than 2 milli
second delay between bytes before a message is complete
‘t’1
reset, or
check wiring
or sending
device
framing error has occurred - occurs if there is an incoming
data error, either powered the unit or switched modes and a
message was already in progress, or could indicate a unstable
connection
‘f’1
NoteClears byIndicationdis-
play
posi
tion
CD STATUS QUADRANT TAB E
RIGHT------>decreases(or byte #)message
ENDnewest
msg
(or byte)
up to 112
msg’s
(or bytes)
oldest msg
(or byte)
END
increases(or byte #)message<------LEFT
Tableayout Scroll
ayout
For the following messages to be decoded they must meet the following criteria, otherwise they are displayed as a System
Exclusive Message The “match =” column is the hexadecimal number that is accepted as the match criteria If it does not
match exactly or fall within the range the message is rejected and shown as a Sys Ex Message Even though the ranges
are accepted the data has to be within the message specifications or the message will display as “UNDEFINED” or will be
incorrect displayed Some of the message bytes are not decoded for displaying, the “Shown” column tells if it is shown;
Yes / No
Full Message or Full Frame 10 Byte Message
NEnd of System ExclusiveF7F710
YFrames0-12700-7Ffr9
YSeconds0-12700-7Fsc8
YMinutes0-12700-7Fmn7
YHour and (Frame) Type0-12700-7Fhr/type6
NSub ID 201015
NSub ID 101014
YSys Ex Channel number0-12700-7Fcc3
NHeader0-12700-7F7F2
NSystem ExclusiveF0F01
ShownDescriptionDecimalMatch =Byte#
User Bit 15 Byte Message
NEnd of System ExclusiveF7F715
YUser bit nibble 90-12700-7FU914
YUser bit nibble 80-12700-7FU813
YUser bit nibble 70-12700-7FU712
YUser bit nibble 60-12700-7FU611
YUser bit nibble 50-12700-7FU510
YUser bit nibble 40-12700-7FU49
YUser bit nibble 30-12700-7FU38
YUser bit nibble 20-12700-7FU27
YUser bit nibble 10-12700-7FU16
NSub ID 202025
NSub ID 101014
YSys Ex Channel number0-12700-7Fcc3
NHeader0-12700-7F7F2
NSystem ExclusiveF0F01
ShownDescriptionDecimalMatch =Byte#
MTC Midi Time Code
E M Video
Technology
“Innovative DMX and MIDI Products”
Page 6
www.elmvideotechnology.com MTC_PC _Operations_Guide .lwp
This product is covered by US patent 7,786,371 copyright
©
ELM Video Technology 2006-2016
Midi Cueing 13 Byte Message plus any Additional Information
NEnd of System ExclusiveF7F713
YUser bit nibble 80-12700-7F<add info> **
YEvent Number Most Significant
bits 13 thru 7
0-12700-7Fsm*12
YEvent Number Least Significant
bits 6 thru 0
0-12700-7Fsl*11
YFractional Frames0-12700-7Fff10
YFrames0-12700-7Ffr9
YSeconds0-12700-7Fsc8
YMinutes0-12700-7Fmn7
YHour and (Frame) Type0-12700-7Fhr/type6
NSub ID 202025
NSub ID 104044
YSys Ex Channel number0-12700-7Fcc3
NHeader0-12700-7F7E2
NSystem ExclusiveF0F01
ShownDescriptionDecimalMatch =Byte#
** if Sub ID 2 is = 07, 08, 0C, or 0E then the total byte length can be up to 19 bytes (6 additional information bytes) and are
displayed in hexadecimal format
* if Sub ID 2 is = 00 then the Event Number is a Special Setup Message
Troubleshooting
some devices won’t send an ‘active sense’ message if
it’s sending other data, this is normal
Sometimes the ‘A’ active sense indicator turns off and
back on
a switch was made while a message was being sent
or received, either limit the data during a switch or
reset the unit after switching
Sometimes I have a ‘?’ or ‘t’ error when I switch from
Front/Back or Din to Bus
check thru/out jumper setting
Midi out connector is not sending correct data
adjust the LCD contrast
LCD is lit but there’s not anything displayed
check that J9 is jumpered on MAIN module
check that the ribbon cable is connected properly
make sure that two data signals are not on the ribbon
cable (see jumper settings section)
MAIN module will receive data but the SECONDARY
modules do not
verify data is being sent from source
check the DIN/BUS software setting is correct
make sure input switch on front panel is selected
properly
check that the data being sent is not being filtered
Won’t receive data on local module
verify proper switch connector settings & jumpers
check power switch connections
check fuse and power connections
Unit won’t power up
Switch turns off modules I don’t want turned off
Switch doesn’t work
CHECKPROB EM
MTC Midi Time Code
E M Video
Technology
“Innovative DMX and MIDI Products”
Page 7
www.elmvideotechnology.com MTC_PC _Operations_Guide .lwp
This product is covered by US patent 7,786,371 copyright
©
ELM Video Technology 2006-2016
Specifications
MTC-PCB Power Input +5 volts DC
Power Consumption 4 Amps at full power (LCD back light full brightness)
Input Power Connector (Optional) 2 1 mm I D X 5 5 mm O D Center positive
Fuse 7~1 Amp Fast Acting 5 X 20 mm
Dimensions 3 385” Width X 2 92” Height X 1 9” Depth
Data Type MIDI 31 5 Khz
Midi Input 5 pin female DIN
Midi Output 5 pin female DIN, 25mA output max
Memory Buffer Size 112 bytes (37 - 3 byte messages or 112 - 1 byte messages)
Memory Storage Cycles 10,000 times
SV 01 12 MR1
MTC Midi Time Code
E M Video
Technology
“Innovative DMX and MIDI Products”
Page 8
www.elmvideotechnology.com MTC_PC _Operations_Guide .lwp
This product is covered by US patent 7,786,371 copyright
©
ELM Video Technology 2006-2016
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