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OPERATION MANUAL
[English]
1st Edition
Serial No. 10001 and Higher
DIGITAL SATELLITE MODULATOR
DSM-T1


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2
WARNING
To prevent fire or shock hazard, do not
expose the unit to rain or moisture.
To avoid electrical shock, do not open the
cabinet. Refer servicing to qualified
personnel only.
For the customers in the USA
This equipment has been tested and found to comply with the
limits for a Class A digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is
operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and,
if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential
area is likely to cause harmful interference in which case the
user will be required to correct the interference at his own
expense.
You are cautioned that any changes or modifications not
expressly approved in this manual could void your authority to
operate this equipment.
The shielded interface cable recommended in this manual
must be used with this equipment in order to comply with the
limits for a digital device pursuant to Subpart B of Part 15 of
FCC Rules.
WARNING: THIS WARNING IS APPLICABLE FOR USA
ONLY.
If used in USA, use the UL LISTED power cord specified
below.
DO NOT USE ANY OTHER POWER CORD.
Plug Cap
Parallel blade with ground pin
(NEMA 5-15P Configuration)
Cord
Type SJT, three 16 or 18 AWG wires
Length
Less than 2.5 m (8 ft. 3 in.)
Rating
Minimum 10A, 125 V
Using this unit at a voltage other than 120 V may require the
use of a different line cord or attachment plug, or both. To
reduce the risk of fire or electric shock, refer servicing to
qualified service personnel.
For the customers in the United Kingdom
WARNING
THIS APPARATUS MUST BE EARTHED
IMPORTANT
This wires in this mains lead are coloured in accordance with
the following code:
Green-and-yellow:Earth
Blue:
Neutral
Brown:
Live
As the colours of the wires in the mains lead of this apparatus
may not correspond with the coloured markings identifying the
terminals in your plug proceed as follows:
The wire which is coloured green-and-yellow must be
connected to the terminal in the plug which is marked by the
letter E or by the safety earth symbol
Y or coloured green or
green-and-yellow.
The wire which is coloured blue must be connected to the
terminal which is marked with the letter N or coloured black.
The wire which is coloured brown must be connected to the
terminal which is marked with the letter L or coloured red.


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Table of Contents
Features ...................................................................................................... 4
Locations and Functions of Parts and Controls ..................................... 5
Front Panel ........................................................................................... 5
Rear Panel ............................................................................................ 8
Menu Setup .............................................................................................. 10
Initial Display ..................................................................................... 10
Changing the Parameters .................................................................... 10
Saving the Parameters in Menu Banks ............................................... 11
Recalling the Parameters from Menu Banks ...................................... 11
Menu List ........................................................................................... 12
Connection ................................................................................................ 14
Operation Warnings ................................................................................ 15
Error Messages ................................................................................... 15
Warning Messages ............................................................................. 15
Specifications ............................................................................................ 16


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Features
The DSM-T1 Digital Satellite Modulator modulates
analog video and audio input signals into digital
signals. This modulator enables an SNG (Satellite
News Gathering) system in combination with the
DSM-R1 Digital Satellite Demodulator.
The following are some of the features of the DSM-T1.
Easy Installation
The DSM-T1 provides easy connection with an
existing SNG system via IF OUT (Intermediate
Frequency output).
High quality compression algorithm
MPEG2 4:2:2 profile at Main Level (4:2:2 [email protected])
ensures superior picture quality at 18 MHz
transmission bandwidth.
Direct digital transmission at up to twice
real time
The DSM-T1 enables transmission at up to twice real
time speed at 36 MHz transmission bandwidth with
connection of a DNW-A100/A100P digital video
cassette recorder through the SDTI 1) (Serial Data
Transport Interface). This feature contributes to
increase of news gathering productivity.
Optional interface boards available
The BKSM-T101 SDTI Input Board, the BKSM-T102
SDI Input Board, and the BKSM-T103 Analog Input
Board provide flexible choices of installing one or two
boards to this unit.
Two-program Transmission
Two multiplexed video and audio signals can be
transmitted simultaneously at 36 MHz transmission
bandwidth. This contributes to lower transmission
costs.
1) SDTI is defined as SMPTE 305M.


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5
Locations and Functions of Parts and Controls
Front Panel
(Continued)
1
¬
POWER
PANEL
INH
SDTI
IN1
IN2
IN1
IN2
EXT
525
625
36M
18M
7/8
3/4
ANALOG
SDI
CH3/4
CH1/2
OPTION
REF
ALARM
MENU
ITEM
RESET
ENTER
INPUT
SEL
FEC
RATE
FREQ
BW
AUDIO
SEL
VIDEO
STD
1 POWER switch
2 PANEL INH indicator and switch
3 OPTION indicators
4 INPUT SEL indicators
5 AUDIO SEL indicators
6 REF indicators
8 FREQ BW indicators
7 VIDEO STD indicators
9 FEC RATE indicators
!º ALARM indicator
!¡ Display window
!TM MENU button
!£ ENTER button
!¢ ITEM Â/µ buttons
! Cursor (4/$/"/") buttons
!§ RESET button
1 POWER switch
Turns the power on and off.
2 PANEL INH (inhibiting panel buttons) indicator
and switch
Set the PANEL INH switch to ON to deactivate the
MENU, ENTER, ITEM
Â/µ, and cursor (4/$/"/")
buttons.
When the PANEL INH switch is set to ON, the
PANEL INH indicator lights up.
3 OPTION (optional boards) indicators
IN1 indicators
SDTI: Lights up when the BKSM-T101 SDTI Input
Board is installed in the IN1 section of the unit.
SDI: Lights up when the BKSM-T102 SDI Input
Board is installed in the IN1 section of the unit.
ANALOG: Lights up when the BKSM-T103 Analog
Input Board is installed in the IN1 section of the
unit.
IN2 indicators
SDTI: Lights up when the BKSM-T101 SDTI Input
Board is installed in the IN2 section of the unit.
SDI: Lights up when the BKSM-T102 SDI Input
Board is installed in the IN2 section of the unit.
ANALOG: Lights up when the BKSM-T103 Analog
Input Board is installed in the IN2 section of the
unit.