Technovision TecMP3A Operating Guide (firmware version 1.7) 11/2017
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RESET
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Technical Specifications
Sound File Format MP3 (ISO 11172-3 up to 44.1KHz)
Max. Number of Sound Files
Parallel / Direct Mode: 8
Parallel / Binary Mode: 128
Parallel / Sequential Mode: 8x99
Parallel / Round-Robin Mode: 8
Parallel / Script Mode: 999
Serial Control: 999
Memory Type SD / SDHC
Max. Memory Capacity 2 GB (SD FAT/FAT16 formatted)
32GB (SDHC FAT32 formatted)
Max. Recording Time 33+ hrs (MP3 @ 128kbps w/2G card)
Supply Voltage 12 ~ 30 VDC
Standby Current 60 mA
Max. Audio Output Stereo: 15W/channel (4 ohm load)
Mono: 55W bridged load (BLT)
Serial Interface RS-232 / RS-485
Parallel Interface 8 inputs, CMOS level logic
Physical Dimensions Case 5.3’’x 4’’x 1.35”
Interface Descriptions
Power Input Terminals: V+ & GD
Use a well-regulated DC power supply to obtain the best sound
quality. Connect the power supply’s POSITIVE output to V+, and the
GROUND output to terminal G. There is also a 2.1mm barrel
connector on the side (center positive).
Speaker Output Terminals: L+ (left) & R+ (right)
The speaker outputs are single ended (unbalanced).
Power in
nc-8-no nc-7-no nc-6-no nc-5-no nc-4-no nc-3-no nc-2-no nc-1-no
SD
Relay Outputs (with –R model)
PW GD T8 T7 T6 T5 T4 T3 T2 T1 RS BY GD V+ LINE BAL VOL L+ GD R+
BUTTON 8
BUTTON 1
Busy Output Terminal: BY
This output is connected to the collector of a C2328A transistor
and can be controlled through script mode. In other modes it is
automatically turned on while playing audio, with a maximum sink
current of 200 mA.
System Reset Terminal: RS
Short terminal RS to the ground to reset the board. Minimum reset
duration is 100 ms.
Parallel Interface Terminals: T1 - T8 & GD
These inputs are internally pulled up to +5V through 10K resistors,
and protected with 1K in-line resistors. These inputs are enabled
by default but are disabled automatically if the serial port is
enabled.
Power Light (PWR)
The power light is turned on when power is applied.
Volume Pot (VOL)
Turn the knob clockwise to increase the output volume. It affects
both the speaker output and the line output.
Line Output (LINE): 1/8” Stereo Phone Jack
This jack provides single ended line output for external
amplification (TIP-L, RING-R, SLEEVE-GROUND)
Serial Interface Connector: DB9 Female
The Serial Interface supports either RS-232 (default) or RS-485,
but not both at the same time. To select RS-485, move the on-board
jumper J2 to the “485” setting. Note that the Serial Interface is
disabled by default, and it is mutually exclusive with the Parallel
Interface.
Serial
Port
+
8 OHM
SPEAKERS
10-30VDC
POWER
SUPPLY
+
RELAY **see BY above**
**NOTE**
+
LEFT Channel
is inverted to
allow for
bridged mono
mode –
2 for more
information.
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Technovision TecMP3A Operating Guide (firmware version 1.7) 11/2017
Setup of the CompactFlash card.
The Compact Flash card should have nothing on it except for the
MP3 files and the MODE.TXT file (no directories, other text files,
hidden MAC files…. etc).
File Number Assignment
Sound files on the flash card must be assigned a unique file number for
identification. The file number must always start with three digits
ranging from 001~ 999 (max number of files is 511). Simply add the
file number to the beginning of the original filename, for example:
“WATER.MP3” is to be renamed “001WATER.MP3”. To store the
maximum number of files (511) make sure the filename is kept to 8.3
standard (8 ASCII uppercase characters):
Direct Trigger file numbers: 001~008
Binary Trigger file numbers: 001~128
Sequential and Serial control: 001~999 (511 files max)
The Configuration File (MODE.TXT)
By default, the system works in the following mode:
Parallel Control, Direct Trigger, Non-Interruptible Playback, Closed
To operate the system in other modes, you need to create an ASCII text
file called “MODE.TXT”. For serial control (RS-232/RS-485), the
text file contains ONLY a two-digit address ranging from “01” to “32”.
In other modes (other than SCRIPT), it contains a 3 or 4-letter word on
the first line:
First Letter: Trigger Mode
D = Direct
B = Binary
S = Sequential
R = Round Robin
Second Letter: Playback Mode
N = Non-interruptible
I = Interruptible
H = Holdable
S = Script
Third Letter: Trigger Polarity
C (or no letter) = Closed Contact (trigger only when contact closed)
O = Open Contact (trigger when contact open)
M = Make Contact (trigger once when closed)
B = Break Contact (trigger once when opened)
Fourth Letter: Left Channel Inversion (default).
(no letter ) = enable (left channel is inverted)
R = regular audio (left channel is normal)
When enabled using a MONO file, this creates 4X more powerful
differential output when a 8 ohm speaker is connected to the LEFT and
RIGHT outputs from the TecMP3.
**NOTES**
For DS and BS modes, enter the Script starting from the second line.
Be sure to add the word END at the end of the Script. After editing
the configuration file, be sure to save it as a “plain text file”,
“ASCII text file”, or simply “text file”. The system may not work if
the configuration file is not created properly.
Trigger Modes (4 modes)
The Trigger Mode defines how the playback is to be triggered via
the Parallel Interface which has 8 inputs labelled T1 through T8. All
inputs are internally connected to +5V through 10K resistors. If left
unconnected, an input is at +5V (logic “1”). The Trigger Mode does
not apply when the system is controlled via the Serial Interface.
Direct Trigger (most popular)
In this mode each input directly triggers a corresponding file: T1
=File 001, T2 = File 002, ... T8 = File 008.
A trigger is valid when the input is shorted to the ground for at least
50 ms. The Direct Trigger is prioritized from T1 (the highest) to T8
(the lowest). However, it does not mean a higher priority input can
interrupt a lower one. It only means that if multiple triggers are
applied at the same time, the highest priority wins.
Binary Trigger
Use the Binary Trigger to trigger up to 128 different files ranging
from 001 to 128. The Binary Trigger is often preferred when the
system is controlled by an external controller because it requires less
I/O ports in most cases.
To trigger a particular file, the first step is to signal the file number
on T1 (LSB) ~ T7 (MSB). The signal must be in the binary format
with +5V being logic “1”, and 0V (the ground) being logic “0”. For
example, to signal File 007 (binary code “0000111”), T1 ~ T3
should be at +5V, and T4 ~ T7 should be at 0V. Note that, as a
special case, the binary code for File 128 is “0000000”.
The second and the last step is to short T8 to the ground for at least
50 ms while maintaining the signal on T1 ~ T7. Afterwards, signals
on T1 ~ T7 don’t matter any more.
Sequential Trigger
Use the Sequential Trigger to sequentially trigger up to 99 different
files per input (max 511 for FAT16), as defined below:
T1 triggers File 001 ~ 099
T2 triggers File 201 ~ 299
...
T8 triggers File 801 ~ 899
Each trigger on the same input activates a different file in the
sequence. The sequence automatically restarts either when the end of
the sequence is reached or when there is a break in the sequence.
For example, if there are three files for T1: 001, 002, and
004, the system will only sequence between 001 and 002. File 004
will never be played because File 003 is missing.
The Sequential Trigger is prioritized from T1 (the highest) to T8 (the
lowest). However, it does not mean a higher priority input can
interrupt a lower one. It only means that if multiple triggers are
applied at the same time, the highest priority wins.
Round-Robin Trigger
This mode is very similar to the Direct Trigger mode except that the
inputs are not prioritized. Therefore, if multiple inputs are tied to
ground then their files will be played one after another, instead of
just the highest priority one. Round-Robin mode can only be used in
conjunction with Non-interruptible Playback and Script Playback.
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Technovision TecMP3A Operating Guide (firmware version 1.7) 11/2017
Playback Modes (4 modes)
The Playback Mode defines how the playback is to proceed. The
Playback Mode does not apply when the system is controlled via the
Serial Interface.
Non-interruptible Playback
The file is played once per trigger. The playback is not interruptible
except by the system reset. Looping is possible by applying a constant
trigger on the input.
Interruptible Playback
The file is played once per trigger if not interrupted. Any other input
(but not itself) can interrupt playback. Looping is possible by applying
a constant trigger on the input.
Holdable Playback
The file is played for as long as the input is triggered, looping if
necessary. It is not interruptible except by the system reset.
Script Playback
Instead of playing a single file, Script Playback executes a series of
playback steps for each trigger. Written in the configuration file, the
Playback Script consists of multiple lines each defining the steps for
a particular trigger in the following format:
?nnnn=Step1, Step2...
Here “nnnn” is the trigger number and “?” is one of the following:
N - Non-interruptible
Execution of this trigger is not interruptible.
I - Interruptible
Execution of this trigger can be interrupted by any trigger other than
itself.
H - Holdable
Execution of this trigger continues for as long as the trigger is
present, repeating itself if necessary. The execution stops
immediately when the trigger is no longer present.
In the DS and RS modes, there are 8 direct triggers (001 ~ 008,
corresponding to T1 ~ T8).
In the BS (Binary script) mode, there are 128 direct triggers (001 ~
128, corresponding to the binary code on T1 ~ T7).
In addition to the direct triggers, there are also indirect triggers. An
indirect trigger can be activated only by jumping from another
trigger using the Jump command.
In the DS and RS modes, there are 991 indirect triggers (009 ~999).
In the BS mode, there are 871 indirect triggers (129 ~ 999).
These are the script commands:
Fnnn - play File #nnn
Example: F068 plays file “068nnnn”.mp3
Wnnnnn - wait nnnnn units of 0.1 second
Example: W00020 waits 2 seconds.
Jnnn - jump to trigger #nnn
Example: J007 jumps to the line for trigger 007.
BF - turn off the Busy output
The Busy output is always turned off at the end of the script. Use
this command to turn it off before the end of the script.
BN - turn on the Busy output
The Busy output is always turned on at the beginning of the script.
Use this command to turn it on if it has been turned off previously
by the BF command.
Rgnn – RANDOM PLAY
Play a random file from group g, within the range of 01 to nn.
Basically “gnn” is the largest file# within the group that will play.
For example:
R104 will randomly play files between 101 and 104
R214 will randomly play files between 201 and 214
R324 will randomly play files between 301 and 324
Cont…
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Technovision TecMP3A Operating Guide (firmware version 1.7) 11/2017
Relay Script Commands:
XNn - turn on relay #n
Example: XN8 turns on relay #8.
XNN - turn on all relays
Example: XNN turns on all relays.
XFn - turn off relay #n
Example: XF6 turns off relay #6.
XFF - turn off all relays
Example: XFF turns off all relays.
Xnnn – send binary value to relays
Example: X63 (binary 00111111) turns on relays 1~6.
END - Always add the word END at the end of the entire script. You
may add any comments for your own reference after END.
Automatic Execution of Trigger 000
Upon power up or reset, the system will automatically executes
trigger 000 once if it is defined in the script.
Script Sample
DS
N001=F007,BF,W00030,BN,F899,J168
I168=F001,W36000,J168
H033=F273
END
DS is not really a script command, but it tells the system to enter the
Direct Script mode. You can also use RS or BS to enter the RoundRobin Script mode or the Binary Script mode.
When the T1 input is triggered, the system start executing trigger
N001. Since this trigger is non-interruptible, it will always execute
to the end. Trigger N001 is executed as the following:
- play file #007,
- turn off the Busy output,
- wait 3 seconds,
- turn on the Busy output,
- play file #899,
- jump to trigger 168 (I168).
Trigger I168 is executed as the following:
- play file #001,
- wait 60 minutes,
- jump back to itself.
Since trigger I168 is interruptible, this endless loop can be broken
by any future trigger.
Trigger H033 will never be executed because it is an indirect trigger
in the DS mode, yet it is not jumped to by any other trigger.
In the DS (Direct Script) mode, Script 001~008 are triggered via
T1~T8 respectively, but other scripts can only be triggered via the
J(ump) command. In the BS (Binary Script) mode, Script 001~128
are triggered with the Binary Trigger method, but other scripts can
only be triggered via the J(ump) command.
Background Music Example
The automatic execution feature can be used to play background
music while no trigger is being executed. For example,
DS
I000=F123,J000
N001=F001,J000
N002=F002,J000
N003=F003,J000
END
Here file #123 is loop played from power up but can be interrupted
by trigger inputs T1, T2, and T3. After interruption, it always jumps
to trigger 000 so file #123 starts to play again, although from the
beginning instead of where it left off.
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Technovision TecMP3A Operating Guide (firmware version 1.7) 11/2017
Serial Interface
When the serial interface is enabled, all parallel inputs are disabled and all
parallel-related modes are no longer applicable. The serial interface consists of a
female DB9 connector supporting either RS-232 or RS-485, but not both at the
same time. The default selection is RS-232. To use RS-485, you must move the
on-board jumper J2 to the “485” setting.
On the DB9 connector, three pins are used for RS-232: pin 2 for RX (output),
pin 3 for TX (input), and pin 5 for ground. Two pins on the same connector are
used for RS-485: pin 1 for negative, pin 9 for positive. The communications
protocol is 9600-baud, eight data bits, no parity and one stop bit (9600, 8,N,1).
For RS-232 applications, the TecMP3 is connected to a DTE device (such as a
PC) with a regular serial cable (not a null modem cable). For RS-485
applications, up to 32 systems, each assigned with a unique address, can be
daisy chained on the same bus with a 2-wire cable.
To enable the serial interface on the system, the configuration file
(MODE.TXT) must contain a two-digit address ranging from “00” to “32”.
This address assignment seems unnecessary for RS-232 applications because
RS-232 is a one-to-one interface. However, it is necessary for us because we
want to provide a uniform protocol for both RS-232 and RS-485. Use ID “00”
if individual addressing is not required.
The benefit of a uniform protocol is that it allows us to control multiple systems
from a DTE, which has only a RS-232 port. In this case a RS-232 to RS-485
hardware converter is needed to convert the DTE’s RS-232 port into a RS-485
port. The communication protocol uses software handshake on a per-byte basis.
That is, for every byte it receives, the system sends a confirmation byte to the
DTE. The DTE must not send the next byte until it receives the confirmation
(one exception explained below). A communication session always starts with a
selection process.
For IDs other than ‘00’:
If using an address other than ‘00” the DTE should first sends out an ASCII
“A” which, as the only exception, will not be confirmed by any system on the
bus. The DTE should then sends a binary coded address byte ranging from 1 to
32. If there is a system with the matching address, it will respond by sending
back an ASCII “a” within 100 ms. Otherwise the selection process has failed
and the unit should be restarted.
Serial Commands
Play File
DTE Sends: F### (### is the three-digit file number)
System Confirms: f### (### is the same file number as above)
If the file exists, it will be played once. If the file does not exist, the command
will simply be ignored. If a file is already playing or pausing when receiving the
“F” command, it will return the error code “e” instead of “f”. Use the Stop
Playback command to ensure the player is stopped.
Loop File
DTE Sends: L### (### is the three-digit file number)
System Confirms: l### (### is the same file number as above)
If the file exists, it will be played repeatedly. If the file does not exist, the
command will simply be ignored. If the system is playing or pausing when
receiving the “L” command, it will return the error code “e” instead of “l”
(lower case L).
Stop Playback
DTE Sends: S
System Confirms: s
If the system is not playing/paused at the time, it will simply ignore the
command. Otherwise it will terminate the playback.
Pause Playback
DTE Sends: P
System Confirms: p
If the system is not playing at the time, it will simply ignore the command.
Resume Playback
DTE Sends: R
System Confirms: r
If the system is not pausing at the time, it will simply ignore the command.
Busy?
DTE Sends: B
System Confirms: b (if playing/paused) or s (if not busy).
Query Parallel Port
DTE Sends: Q
System Confirms with a single 8-bit byte representing the 8 triggers
(1= HIGH/open and 0=LOW/grounded). MSB is T8 and LSB is T1.
Script Command
DTE Sends: C###C (### is one line of script commands)
System Confirms c###c – echo of above
System executes the script line (i.e. CF001W00020F002C).
Relay On (-R version)
DTE Sends: XN# (# is the relay number)
System Confirms: xn# (# is the same relay number as above)
For example, “XN5” turns on relay #5. To turn on all relays, use
“XNN”. This command can be issued at any time.
Relay Off (-R version)
DTE Sends: XF# (# is the relay number)
System Confirms: xf# (# is the same relay number as above)
For example, “XF8” turns off relay #8. To turn off all relays, use
“XFF”. This command can be issued at any time.
Send Binary to Relay (-R version)
DTE Sends: Xnnn (nnn is a three digit number with leading zeros)
System Confirms: nnn (nnn is the number as above)
For example, “X005” turns on relay #1 and #3. – rest off
Query Relay Status (-R version)
DTE Sends: Y
System Confirms: nnn (nnn is the decimal number equal to the binary value)
For example, “005” = relay #1 and #3 on – rest off
Set Volume
DTE Sends: Vllrr (ll is the LEFT volume#, rr is the RIGHT volume#)
System Confirms: vllrr (ll and rr are the same volume numbers as above)
Volume numbers range from 00 (silence) to 64 (loudest – the volume level
set by the volume knob on the player). For example, 32 would be the half the
level of the current volume level.
Get Volume
DTE Sends: W
System Confirms: llrr (ll and rr are the current LEFT and RIGHT volume#)
Serial Command Error Code
The system will confirm with an “e” if an invalid command is received, or if
a valid command is received at the wrong time. After receiving the error
code, the DTE device should restart the session from the beginning (the
selection process).
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Technovision TecMP3A Operating Guide (firmware version 1.7) 11/2017
Relay Output (with optional –RO relay module)
The TecMP3-R comes with eight relay outputs. The single pole, double
throw contact of each relay is rated at 12A/120VAC or 10A/24VDC.
These relays are controlled differently in different modes:
In Serial Interface Mode
Relays are controlled by serial commands. Please see the Serial
Commands section for a full description.
In Script Modes: DS, BS and RS
Relays are controlled by script commands. Please see the Script
Playback Mode section for descriptions.
All other Modes
A relay will turn on when the corresponding file is being played. For
example, relay #1 will turn on when file #001 is being played, relay #2
will turn on when file #002 is being played, and so on. This operation
is automatic and there is no need to add any text in the configuration
file.
Troubleshooting
TecMP3 is not responding
Power LED is not ON
Make sure the power supply is connected properly and to the proper
connectors (+ and -).
Power LED is ON but player is not responding
• Make sure the card is formatted to FAT16 and that there are
no hidden files of directories on the card.
• Make sure you have the MODE.TXT file properly
configured. If in doubt, make the unit DIRECT
INTERUPTIBLE (DI) and manually start the songs before
attempting RS232 or more sophisticated controls.
Parallel Interface Related
Plays no sound at all.
• File numbers are not assigned properly.
• The system is in the wrong mode due to missing or incorrect
configuration file.
• If the flash card is inserted when the power is on, the system may
not work. To fix this problem, turn the power off for a few
seconds to reset the system.
• Some CF cards, especially if they have been used in digital
cameras, need to be reformatted with the FAT16 file system.
• The output volume may have been set too low. Try turning up the
volume.
Plays a wrong File.
• File numbers are not assigned properly.
• The system is in the wrong mode due to missing or incorrect
configuration file.
Serial Interface Related
The DTE device receives strange characters.
• Make sure the DTE device’s serial port setting is 9600 baud, 8
data bits, no parity, 1 stop bit.
RS-232 does not normally support multiple unit addressing. Does
the DTE device still need to send the address byte after sending the
initial letter “A”?
• Yes (unless using ID 00 on the TecMP3), because the protocol
is designed to be uniform for both RS-232 and RS-485.
Typical RS232 session to play file12 on player ID 01
DTE sends two bytes A[01]
TecMP3 responds with a
DTE sends F
TecMP3 responds with f
DTE sends 0
TecMP3 responds with 0
DTE sends 1
TecMP3 responds with 1
DTE sends 2
TecMP3 responds with 2
(TecMP3 starts playing file 12).
In this example [01] is decimal 1.
Typical RS232 session to play file23 on player ID 00
DTE sends F
TecMP3 responds with f
DTE sends 0
TecMP3 responds with 0
DTE sends 2
TecMP3 responds with 2
DTE sends 3
TecMP3 responds with 3
(TecMP3 starts playing file 23).
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Technovision TecMP3A Operating Guide (firmware version 1.7) 11/2017
APPLICATION EXAMPLES
- Using Normally Open Push Buttons
1. Play without interruption.
Intended Operation
• Press button #1 to play file #001 once.
• Press button #2 to play file #002 once.
• When playing, pressing any button has no effect.
Required Text in MODE.TXT
None, this is the default mode (DN).
Notes
• The button can be released or held down when playing.
• If the button is held down at the end of the sound, the sound will
be played again.
• If both buttons are pressed or held down at the same time,
button#1 prevails.
2. Allow interruption during playback.
Intended Operation
• Press button #1 to play file #001 once.
• Press button #2 to play file #002 once.
• Playing can be interrupted by pressing any other button.
Required Text in MODE.TXT
DI
Notes
• When playing, pressing the same button again has no effect.
3. Play the sound only once even if the button is held down.
Intended Operation
• Press button #1 to play file #001.
• Press button #2 to play file #002.
• Don’t repeat the sound even if the button is held down.
Required Text in MODE.TXT
DS
N001=F001,J888
N002=F002,J888
H888=J888
END
Notes
• The system will stay in the “H888=J888” endless loop for as
long as the button is held down.
4. Play only when the button is held down.
Intended Operation
• Press & hold button #1 to play file #001.
• Press & hold button #2 to play file #002.
• Repeat the sound for as long as the button is held down.
Required Text in MODE.TXT
DH
Notes
• Playing stops as soon as the button is released. If the same button
is pressed again later, playing re-starts from the beginning of the
file instead of where it left off.
• If both buttons are held down, button #1 prevails. To play both
sounds alternately when both buttons are held down, use the RH
mode.
5. Play different sounds each time when the same button is
pressed.
Intended Operation
• Press button #1 to play file #001 the first time, file #002 the
second time, and etc.
• Button #2 sequences through file #201, #202...
• When playing, pressing any button has no effect.
Required Text in MODE.TXT
SN
Notes
• To allow playback interruption, use the “SIM” mode.
• To play only when the button is held down, use the SH mode.
• Up to 99 files can be assigned to each button and file numbers
must be consecutive.
• In the SH mode, the same sound will repeat for as long as the
button is held down. To advance to the next sound, the button
must be released first.
6. TECMP3-R: Turn on a different relay for each sound.
Intended Operation
• Turn on relay #1 when playing file #001.
• Turn on relay #2 when playing file #002.
Required Text in MODE.TXT
Only the mode letters are required, for example: DH.
7. TecMP3 turns on multiple relays for each sound.
Intended Operation
• Press button #1 to play file #007 and turn on relays #1 & 2.
• Press button #2 to play file #008 and turn on relays #2 & 3.
Required Text in MODE.TXT
DS
N001=XN1,XN2,F007,XFF
N002=XN2,XN3,F008,XFF
END
Notes
• XFF is used to turn off all relays.
8. TECMP3-X: Control relays during audio playback.
The relays will be controlled automatically when playing QWA files.
There is no required text in MODE.TXT.
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Technovision TecMP3A Operating Guide (firmware version 1.7) 11/2017
APPLICATION EXAMPLES
- Automatic Playback on Power-up
1. Repeat continuously on power-up.
Intended Operation
• Play file #001 on power-up if switch #1 is turned on.
• Play file #002 on power-up if switch #2 is turned on.
• .........
• Play file #008 on power-up if switch #8 is turned on.
• If more than one switch is turned on, play all corresponding files
sequentially
• Repeat the file(s) until power is turned off.
Required Text in MODE.TXT
RN
Notes
• A direct short can be used if there is only one sound file.
• If priority is required, use DN instead of RN. In this case switch
#1 has the highest priority, switch #2 has the second highest
priority, and switch #8 has the lowest priority.
• If more than one switch is turned on, only the file for the switch of
the highest priority will be played.
2. Repeat at intervals on power-up.
Intended Operation
- Same as the example above but play files at intervals.
Required Text in MODE.TXT
RS
N001=F001,W06000
N002=F002,W06000
.....
N008=F008,W06000
END
Notes
• W06000 is a delay loop of 6000 x 0.1 second = 10 minutes, so the
file(s) will be played at an interval of 10 minutes, one file at a
time.
APPLICATION EXAMPLES
-Using Normally Closed Switches & Sensors
Normally closed switches and sensors are often used in security
systems.
1. Play when the switch/sensor opens, with no priorities.
Intended Operation
• Play file #001 when sensor #1 opens.
• Play file #002 when sensor #2 opens.
• Repeat the sound for as long as the sensor is open.
• If multiple sensors are open at the same time, play all
corresponding files sequentially.
Required Text in MODE.TXT
RNO
Notes
• Unused inputs must be connected to the ground, as shown in
the wiring diagram.
2. Play when the switch/sensor opens, with priorities.
Intended Operation
• Same as the example above, but if multiple sensors are open at
the same time, the sensor of the highest priority prevails.
Required Text in MODE.TXT
DNO
Notes
• The sensor connected to T1 has the highest priority, and the
sensor connected to T8 has the lowest priority.
3. Play when the switch/sensor opens, but don’t repeat.
Intended Operation
• Play file #001 when sensor #1 opens.
• Play file #002 when sensor #2 opens.
• Do not repeat the sound.
Required Text in MODE.TXT
DSO
N001=F001,J999
N002=F002,J999
H999=J999
END
Notes
• The system will stay in the “H999=J999” endless loop for as
long as the sensor is open. The system will not respond to other
sensors until this one is closed.
Technovision Interactive Inc. Page 8 of 8 www.technovision.com
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