Nucomm CHANNELMASTER TX7

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Revision 1.03

ii ChannelMaster TX7 Transmitter

CAUTION!

RISK OF ELECTRICAL SHOCK. DO NOT REMOVE EQUIPMENT COVERS.

• Do not remove any equipment covers.

• Refer servicing to qualified technicians only.

• Disconnect all power before servicing.

• Read and perform all instructions carefully. Failure to follow suggested instruc-

tions and guidelines may void all warranties.

FCC STATEMENT

This equipment has been tested and found to comply with

Part 74.637 (a) (2) of the FCC Rules and Regulations.

Any unauthorized changes or modifications not expressly approved by

Nucomm, Inc. could void the user’s authority to operate the equipment, and

invalidate the equipment’s warranty.

Main Page

Table of Contents5
Product Description9
Introduction9
Model Numbering Scheme10
Features13
Feature Overview13
Table 2-1: Channelmaster TX7 Technical Features and Benefits14
System Functional Block Diagram15
Figure 2-1: Channelmaster TX7 Functional Block Diagram15
System Chassis Features16
User Interface Overview16
Standby Mode16
Video Signal Encoding16
Audio Sub Carriers16
Multi-Mode Modulator16
Multi-Band Microwave Output17
Signal Strength Indicators17
Video Presence Detector17
Remote Control Feature17
Power Supply17
Internal Self-Test17
Other Standard Features17
Options18
Accessories18
Flexibility18
Specifications and Frequency Plans19
Table 3-1: Channelmaster TX7 Specifications19
Frequency Plans (USA)24
Table 3-2: Frequency Plan (US), 2Ghz 17Mhz24
Table 3-3: Frequency Plan (US), 2Ghz 12Mhz25
Table 3-4: Frequency Plan (US), 6/7Ghz26
Table 3-5: Frequency Plan (US), 12/13 Ghz27
Installation29
Unpacking and Inspection29
Pre-Installation Checkout29
Mechanical Installation29
Figure 4-1: Pre-Installation Checkout Equipment Configuration29
Figure 4-2: CMTX7 Mounting Hole Locations and Screw Sizes30
Electrical Installation31
Power Connection31
ASI, SDI, Composite & 70Mhz Ports31
Figure 4-3: CMTX7 Unit with Shroud31
Figure 4-4: CMTX7 Unit with Shroud (Shows Built-In Cooling Fans)31
Rf Output32
Serial Port32
POWER SWITCH and FUSES32
Models with Multi-Pin "MS" Style Audio Connectors32
Models with XLR Audio Connectors32
Firewire32
Figure 4-5: Channelmaster TX7 Front Panel (Mil Connector Version)33
Figure 4-6: Channelmaster TX7 Front Panel (XLR Version)34
Figure 4-7: Channelmaster TX7 Rear Panel (All Models)35
Figure 4-8: Power and RS-232 Connector Pin-Outs and Part Information36
Figure 4-9: AC Line Cord Construction36
Figure 4-10: RS232/RS485 Connector Pin-Outs37
Figure 4-11: Firewire Input Connector (Optional)37
Figure 4-12: Audio Cable Connections38
Figure 4-13: XLR Breakout Cable39
Figure 4-14: 3-PIN XLR Input Pin Assignments (2 Audio Inputs)40
Operation41
Power up Displays41
Figure 5-1: Channelmaster TX7 Front Panel Controls and Indicators41
Changing Characters42
Front Panel Buttons42
Changing Operating Frequency43
Using Presets43
Status Indicators & Test Gen46
Main Menu Selections47
Input Menu Selections47
Modulation Menu Selections48
Cofdm49
Table 5-1: Channelmaster 8 Mhz B/W Data Rates50
Table 5-2: Channelmaster 7 Mhz B/W Data Rates51
Table 5-3: Channelmaster 6 Mhz B/W Data Rates51
Vsb52
Encoder Menu Selections52
Audio52
Video53
Service53
System Menu Selections53
Options54
Remote54
Version54
Restore55
Frequency55
Factory55
Bas55
Monitoring Menu Selections55
Monitor55
Alarm56
BAS Relocation Settings57
Audio Sub-Carrier Frequency57
Channel Bandwidth and Band Plan58
Switchover to "Post-Relocation" Settings58

Nucomm CHANNELMASTER TX7 - Page 2

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