Maintenance Manual
Table Of Contents
- 1 OVERVIEW Marti GTX / GRX
- 2 TECHNICAL SPECIFICATIOINS
- 3 INSTALLATION
- 4 SET UP
- 4.1 Password Organization
- 4.2 Factory Default Passwords
- 4.3 Display Menus and Navigation
- 4.3.1 START & DEFAULT FIELDS
- 4.3.2 TRANSMITTER FIELDS & MENU TREE
- OPERATION MENUS
- Field #02: Direct & Reflected Power
- Field #04: Multiplex Signal Level (Output Modulation)
- Field #05: Left & Right Signal Level in dB
- Field #06: L & R Signal Level / Analog Meter
- Field #07: RDS / SCA Auxiliary Modulation Level
- Field #09: Internal Voltages
- Field #10: Temperature, Data and Clock
- SETUP MENUS
- Field #21: Local/Remote control setup
- Field #22: Transmission Frequency setup
- Field #23: Output Power setup
- Field #24: LF Modulation Input Level setup
- Field #25: Auxiliary Input Level setup
- Field #26: Limiter setup
- Field #27: Transmission Mode, and Pre-emphasis Setup
- Field #28: Reference Deviation setup
- Field #29: Display Contrast setup
- Field #30: Time & Date setup
- Field #31: Elapsed Time
- Field #32: Password Management
- Field #33: Alarm Setup and Display
- Field #34: I/O Pin Allocation and Logic Level setup
- Field #35: Synthesis setup
- Field #37: Ethernet & Lan setup
- 4.3.3 RECEIVER FIELDS & MENU TREE
- OPERATION MENUS
- Field #02: Receiver Frequency
- Field #03: Received RF Field and Muting
- Field #04: MPX Modulation and Reception Field
- Field #04Modulation of the Multiplex Signal
- Fields #05 & #06: L and R Decoded Output Levels
- Field #08: Stereo Pilot Frequency level
- SETUP MENUS
- Field #22: Frequency setup
- Field #24: LF Output Level setup
- Field #25: Receiver Muting setup
- Field #26: De-emphasis setup
- Field #28: Optional Boards Detection
- Field #33: Alarm setup and display
- Field #34: I/O pin allocation and logic level setup
- Field #36 Left & Right Level
- Field #37 Headphone Volume
- Field #39 Serial Number
- 5 SERVICE & CHASSIS DIAGRAMS
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Table of Contents
General Description ................................................................................................................................................ 9
Transmitter Review ............................................................................................................................................. 11
Receiver Review .................................................................................................................................................... 13
GTX and GRX Overall Data ................................................................................................................................. 15
GTX Transmitter Only ......................................................................................................................................... 16
GRX Receiver Only ................................................................................................................................................ 17
Rack Mounting and Cooling .............................................................................................................................. 19
Control Functions .................................................................................................................................................. 19
GTX Parallel Remote ............................................................................................................................................ 19
GRX Parallel Remote ............................................................................................................................................ 20
Battery or DC Supply ........................................................................................................................................... 20
3.5.1 Notes on battery and wiring .................................................................................................................................. 20
Password Organization ...................................................................................................................................... 23
Factory Default Passwords ............................................................................................................................... 23
Display Menus and Navigation ........................................................................................................................ 23
4.3.1 START & DEFAULT FIELDS ................................................................................................................................... 24
• Timeouts and Default Fields ........................................................................................................................ 24
• Field INIT: Initialization Display ............................................................................................................... 25
• Field #00: Escape / Default Display .......................................................................................................... 25
• Field #01: Operation / Setup Selection ................................................................................................... 25
• Field #20: Enter Password............................................................................................................................ 25
4.3.2 TRANSMITTER FIELDS & MENU TREE ............................................................................................................. 26
• OPERATION MENUS ........................................................................................................................................ 27
• Field #02: Direct & Reflected Power ........................................................................................................ 27
• Field #04: Multiplex Signal Level (Output Modulation) .................................................................. 27
• Field #05: Left & Right Signal Level in dB .............................................................................................. 27
• Field #06: L & R Signal Level / Analog Meter ....................................................................................... 27
• Field #07: RDS / SCA Auxiliary Modulation Level .............................................................................. 28
• Field #09: Internal Voltages ......................................................................................................................... 28
• Field #10: Temperature, Data and Clock ................................................................................................ 28
• SETUP MENUS .................................................................................................................................................... 29
• Field #21: Local/Remote control setup .................................................................................................. 29
• Field #22: Transmission Frequency setup ............................................................................................ 29
• Field #23: Output Power setup ................................................................................................................... 29
• Field #24: LF Modulation Input Level setup ......................................................................................... 29
• Field #25: Auxiliary Input Level setup .................................................................................................... 30
• Field #26: Limiter setup ................................................................................................................................. 30
• Field #27: Transmission Mode, and Pre-emphasis Setup ............................................................... 31
• Field #28: Reference Deviation setup ...................................................................................................... 31
• Field #29: Display Contrast setup ............................................................................................................. 31
• Field #30: Time & Date setup ...................................................................................................................... 31
• Field #31: Elapsed Time ................................................................................................................................ 31
• Field #32: Password Management ............................................................................................................ 32
• Field #33: Alarm Setup and Display ......................................................................................................... 33
• Field #34: I/O Pin Allocation and Logic Level setup ......................................................................... 33