ALCAD DMH-541 Digital Modulator HDMI and USB Installation Guide
- June 11, 2024
- ALCAD
Table of Contents
- FEATURES
- AUDIO – VIDEO
- RF OUTPUT
- GENERAL
- DESCRIPTION OF SYMBOLS AND ELECTRICAL SAFETY
- Safety instructions
- DMH-541 DESCRIPTION
- CONNECTION TO A HDMI SOURCE
- CONNECTION TO A USB PEN DRIVE SOURCE
- DMH-541 Programming
- Menu Structure
- OUTPUT
- AUDIO VIDEO SETUP
- MODULATION
- ENCODER
- ADVANCED
- EXIT
- RESET
- SERVICE NAME
- NETWORK NAME
- PROVIDER NAME
- CUSTOMER SERVICE
- References
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)
ALCAD DMH-541 Digital Modulator HDMI and USB
FEATURES
4K UltraHD HDMI 2.2 Loop through
Hight RF Output Level
USB pen drive video player
- Perfect image and audio synchronization
- RF Loop through 5… 2.200 MHz
- Video bit rate up to 30 Mbps
- Over 36 dB MER (Modulation Error Rate)
- Low consumption and energy saving function
AUDIO – VIDEO
VIDEO ENCODING | – | H.264 MPEG |
---|---|---|
VIDEO INTERFACE | – | HDMI 2.2 |
VIDEO RESOLUTION MODES | – | 576p – 720p – 1080p |
VIDEO BIT RATE | Mbp/s | 5… 30 |
AUDIO MODE | – | MPEG AC3 DTS AAC |
RF OUTPUT
FREQUENCY RANGE | MHz | 170… 230 / 470… 862 |
---|---|---|
MER | dB | >36 |
RF OUTPUT LEVEL | dBpV | 70… 100 |
RF LOOP PASS THROUGH | 5… 2.200 MHz Loss s 2 | |
DVB-T | ||
CONSTELLATION – FEC | QPSK – 16QAM – 64QAM – 1/2 – 2/3 – 3/4 – 5/6 – 7/8 | |
GUARD INTERVALL | 1/4 – 1/8 – 1116 – 1/32 | |
MODULATION CARRIERS | 2K/8K | |
SELECTABLE BANDWIDTH | MHz | 6/ 7/ 8 |
DVB-C | ||
CONSTELLATION | 16QAM – 32QAM – 64QAM – 128QAM -256QAM |
GENERAL
POWER SUPPLY | Volt | 15VDC (External PSU 100-240VAC 50/60Hz) |
---|---|---|
POWER CONSUMPTION | W | 4,8 Watt Max. / 3,5 Watt Energy saving mode |
DIMENSIONS | mm | 193x109x39h |
OPERATING TEMPERATURE | C° | 0… 45 |
DESCRIPTION OF SYMBOLS AND ELECTRICAL SAFETY
- The equipment complies with the CE requirements
- The equipment is designed for indoor use only
- Equipment grounding terminal
- This symbol indicates that the equipment complies with the safety requirements for class II equipment
- To avoid the risk of electric shock, do not open the equipment.
- The equipment is compliant with RoHS 2011/65EU
- Dispose according to local authorities recycling processes
Safety instructions
- Read carefully these instructions
- Keep these instructions
- Heed all warnings
- Follow all instructions
- Do not expose this apparatus to extreme temperatures
- Do not install this apparatus near water or expose to rain and moisture
- Place the apparatus in a dry and well-aired location
- Install the unit on a vertical wall, or in a waterproof cabinet with a minimum IP55 rating, and fix it safely using the provided fixing plugs
- Connect the power adapter cord to a detachable power supply socket
- Unplug the apparatus during lighting storms or when unused for long time
- Only use accessories specified by the manufacturer
- Do not remove the cover without disconnecting from the mains first
- Ambient temperature should not be higher than 45°
- Please allow air circulation around the apparatus
IMPORTANT!
Place the apparatus and the power supplier in a dry and well-aired location
Install the unit on a vertical wall, or in a waterproof cabinet with a minimum
IP55 rating, and fix it safely using the provided fixing plugs
Use only the power supplier provided with the amplifier.
The use of not-original power suppliers determines the not-compliance of the
product and can cause malfunctions and void the warranty
DMH-541 DESCRIPTION
- USB Type B (F.W. Upgrade)
- USB Type A (USB Pendrive for Video Play)
- Power Input 15Vdc
- Power Supply Status Led
- Confirmation key
- Menu navigation keys
- Ground point
- HDMI Output
- HDMI Input
- RF Input
- RF Output
- Video Signal Lock
- USB TS Signal
- HDMI Connected
DVB-T available rates (Mbit/s) in 8MHz channels
Table (1)
MODULATION | FEC Coding Rate | GUARD INTERVAL (TG) |
---|---|---|
1/4 | 1/8 | 1/16 |
QPSK | 1/2 | 4.98 |
2/3 | 6.64 | 7.37 |
3/4 | 7.46 | 8.29 |
5/6 | 8.29 | 9.22 |
7/8 | 8.71 | 9.68 |
16QAM | 1/2 | 9.95 |
2/3 | 13.27 | 14.75 |
3/4 | 14.93 | 16.59 |
5/6 | 16.59 | 18.43 |
7/8 | 17.42 | 19.35 |
64QAM | 1/2 | 14.93 |
2/3 | 19.91 | 22.12 |
3/4 | 22.39 | 24.88 |
5/6 | 24.88 | 27.65 |
7/8 | 26.13 | 29.03 |
DVB-C Available rates (Mbit/s)
Table (2)
BANDWIDTH | MODULATION |
---|---|
16QAM | 32QAM |
8MHz | 25.64 |
6MHz | 19.23 |
CONNECTION TO A HDMI SOURCE
-
Connect the RF coaxial input and output cables
-
Connect the HDMI input and output cables
-
Connect the power supplier unit to DMH-541 and only then connect the power supplier to mains plug. Wait the end of the booting procedure to start
programming the DMH-541 -
If the HDMI input source is correct the Led HDMI and LOCK will be lighted on
CONNECTION TO A USB PEN DRIVE SOURCE
- Connect the RF coaxial input and output cables
- Connect the USB pen drive to the USB type A input containing a video file named media.ts
- Connect the power supplier unit to DMH-541 and only then connect the power supplier to mains plug. Wait the end of the booting procedure to start programming the DMH-541
- The Led USB TS and LOCK will be lighted on
Note: the bitrate of the media.ts file cannot exceed the DMH-541 encoder bitrate
DMH-541 Programming
- Press to activate the display
- Press and hold for five seconds to enter the programming menu
If any key is pressed for 3 minutes the display turn to standby mode. Press any key to re-activate.
DMH-541 has a built-in DVB-T/C tuner for self test. Every parameter modification is verified and stored and require from 10 to 15 seconds.
Menu Structure
-
Output channel
Output Level
Output LCN
Country preset parameters -
Video mode
Video PID -
Audio mode
Audio PID -
DVB-T
Constellation
Carrier
Bandwidth
FEC
TG
DVB-C
Constellation -
Video Resolution
Bit Rate
Service ID
Transport Stream ID
Network ID
Original Network ID
PMT ID
NIT Version
Audio Bitrate -
EDID
Protection Password
Apparatus Serial number -
Exit the programming
-
Reset to default settings
-
Service name
-
Network name
-
Provider name
OUTPUT
-
RF OUTUP
Press to enter the OUTPUT menu. -
OUTPUT CHANNEL
Position the function selector > on CH and press to activate the pointer — and set the output channel.
To confirm your selection press .
E5÷E12 / E21÷E69 Default E36
On the right of the selected channel is displayed the center frequency in MHz.
- OUTPUT LEVEL
70÷ 100dB V (1dB step)
Position the function selector > on LEV and press to activate the pointer —
and set the RF output level. To confirm your selection press .
- OUTPUT LCN
00001 ÷ 65535
Position the function selector > on LCN and press to activate the pointer —
and set LCN number required. To confirm your selection press .
If in the network there are more than one DMH-541 to avoid TSID conflict when
the LCN number is changed also the TSID is automatically reassigned.
- Country preset parameters
See Table below
AUSTRIA| AUT| GERMANY| DEU| NETHERLANDS| NLD| SLOVENIA|
SVN
---|---|---|---|---|---|---|---
AUSTRALIA| AUS| GREECE| GRC| NORWAY| NOR| SPAIN| ESP
CROATIA| HRV| HUNGARY| HUN| NEW ZEALAND| NZL| SWEDEN|
SWE
CZECH REP| CZE| ISRAEL| ISR| POLAND| POL| SWITZERLAND|
CHE
DENMARK| DNK| IRELAND| IRL| PORTUGAL| PRT| UNITED KINGDOM|
GBR
ESTONIA| EST| ITALY| ITA| RUSSIA| RUS| |
FINLAND| FIN| LATVIA| LVA| SINGAPORE| SGP| |
FRANCE| FRA| MALAYSIA| MYS| SLOVAKIA| SVK| |
AUDIO VIDEO SETUP
- VIDEO SET UP
Press to enter the menu to select the video compression required.
- VIDEO MODE
H264 / MPEG
Position the function selector > on MODE and press to activate the pointer —
and select the VIDEO MODE. To confirm your selection press .
- VIDEO PID
00001 ÷ 65535
Position the function selector > on MODE and press to activate the pointer —
and set VPID. To confirm your selection press .
- AUDIO
Press to enter the AUDIO menu.
- AUDIO MODE
MPEG / AC / DTS / AAC
Press to enter the menu to select the AUDIO MODE. Select and confirm your
choice pressing .
- AUDIO PID
00001 ÷ 65535
Position the function selector on APID Press to activate the pointer — and set
APID. To confirm your selection press .
MODULATION
Press to enter the MODULATION menu.
- MODULATION MODE
DVB-T – DVB-C
Position the function selector > on DVB and press to activate the pointer —
and select the DVB-Tor DVB-C modulation mode. To confirm your selection press
.
DVB-T
- CONSTELLATION
QPSK – 16 – 64QAM
Position the function selector > on COST and press to activate the pointer —
and select the constellation. To confirm your selection press .
- MODULATION CARRIER
2K – 8K
Position the function selector > on CARR and press to activate the pointer —
and select the 2K or 8K carrier. To confirm your selection press .
- BANDWIDTH
6 – 7 – 8 MHz
Position the function selector > on BW and press to activate the pointer — and
select the bandwidth.
To confirm your selection press .
The channel bandwidth is pre-set in relationship to the country channeling.
- FEC
1/2 – 2/3 – 3/4 – 5/6 – 7/8
Position the function selector > on FEC and press to activate the pointer —
and select the Forward Error Correction value. To confirm your selection press
.
- TG
1/32 – 1/16 – 1/8 – 1/4
Position the function selector > on Tg and press to activate the pointer — and
select the Tg value.
To confirm your selection press .
DVB-C
- CONSTELLATION
16 – 32 – 64 – 128 – 256QAM
Position the function selector > on COST and press to activate the pointer —
and select the constellation. To confirm your selection press .
ENCODER
Press to enter the ENCODER menu Line up the function selector > to the parameter and press to activate the pointer — and select the value pressing . To confirm the selection press .
- Video Resolution
576 – 720 – 1080
- Bit Rate
4000… 30.000 Mbps See Table (1) or (2)
- Service ID
00001÷65535
- Transport Stream ID
00001÷65535
- Network ID
00001÷65535
- Original Network ID
00001÷65535
- PMT ID
00001÷65535
- NIT Version
001÷999
- Audio Bitrate
64-96-112-128-160-192-224-256-320-384 Kbps
ADVANCED
Press to enter the ENCODER menu
Line up the function selector > to the parameter and press to activate the
pointer — and select the value pressing . To confirm the selection press .
- EDID
INT2K; INT4K; COPY
INT2K= HDMI Bypass HD only
INT4K= HDMI Bypass 4K and HD
COPY= Bypass resolution detected from TV input HDMI
-
Protection Password
-
Apparatus Serial number
EXIT
To exit the setting procedure select EXIT and press . Select YES and press to confirm.
To continue the DMH-541 setting select NO and press to confirm.
RESET
To cancel all settings select the RESET menu pressing and Select YES and confirm . All the factory settings will be restored and the DMH-541 rebooted.
SERVICE NAME
Press to enter SERVICE NAME menu
Line up the function selector > to the parameter and press to activate the
pointer — and select the digit pressing . To confirm press .
The preset service name is ALCADSERV but can assigned a different name with up to 11 digits
NETWORK NAME
Press to enter NETWORK NAME menu
Line up the function selector > to the parameter and press to activate the
pointer — and select the digit pressing . To confirm press .
PROVIDER NAME
Press to enter PROVIDER NAME menu
Line up the function selector > to the parameter and press to activate the
pointer — and select the digit pressing . To confirm press .
CUSTOMER SERVICE
ALCAD Electronics, S.L.
Pol. Ind. Arreche-Ugalde, 1
Apdo. 455 I 20305 IRUN – Spain
Tel. (+34) 943 63 96 60
info@alcad.net