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ME-TUN
A Professional FM Tuner
USER'S MANUAL
ME-TUN Manual E; january 2005
e-mail:
mail@mediaengineering.com
web:
www.mediaengineering.com
www.me-tun.com
www.fm-spy.com
MEDIA ENGINEERING Markus Stocker ∗ Professional Broadcasting Systems ∗ Rainstr. 15
CH-8104 WEININGEN (ZH) ∗ Switzerland ∗ Phone: +41 1 750 66 88 ∗ Fax: +41 1 750 66 91
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∗
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mail@mediaengineering.com
www.mediaengineering.com
www.me-tun.com
www.fm-
spy.com
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Table of Contents
Summary of Contents for Media Engineering ME-TUN
- Page 1 MEDIA ENGINEERING Markus Stocker ∗ Professional Broadcasting Systems ∗ Rainstr. 15 CH-8104 WEININGEN (ZH) ∗ Switzerland ∗ Phone: +41 1 750 66 88 ∗ Fax: +41 1 750 66 91 ∗ ∗ ∗ mail@mediaengineering.com www.mediaengineering.com...
- Page 2 MEDIA ENGINEERING reserves the right to make alterations as technical progress may warrant at the discretion of MEDIA ENGINEERING. MEDIA ENGINEERING has no obligation to notify any person or entity of any changes and/or revisions to this publication. MEDIA ENGINEERING reserves the right to change materials and specifications without notice.
- Page 3 MEDIA ENGINEERING Markus Stocker, located in Rainstrasse 15, CH-8104 WEININGEN (ZH), Switzerland, hereby declare under our full responsibility that the product designated by "Professional FM Tuner ME-TUN" consisting of one 19”/1RU rack mountable device in its original metal housing conforms to the following standards:...
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Page 4: Table Of Contents
C. PINOUT OF 25 PIN D-TYPE CONNECTOR ON THE REAR SIDE ....... 26 D. EXAMPLE OF HOW TO USE THE AUXILIARY INTERFACE........27 E. SUMMARY OF KEYBOARD COMMANDS..............28 F. TECHNICAL SPECIFICATIONS..................29 File: ME-TUN Manual E.DOC MEDIA ENGINEERING page 4/29... -
Page 5: Installation Instructions
MOS components. File: ME-TUN Manual E.DOC MEDIA ENGINEERING page 5/29... -
Page 6: Electromagnetical Interference
ME-TUN USER`S MANUAL A.1.1. ELECTROMAGNETICAL INTERFERENCE In case the ME-TUN is installed and operated in a strongly electromagnetical disturbed environment, signals of interferences can occur during reception of the FM Band. A.1.2. ENVIRONMENT TEMPERATURE Preferably install the equipment in a dry location with approximately 20 centigrades (room temperature) of ambient temperature. -
Page 7: Installation Procedure
48kHz please refer to chapter A3. In case the ME-TUN has to be installed in a 19” rack the appropriate 19” brackets have to be mounted first in order to convert the table top device into a rack mountable device: a) loosen the two black M4 screws on the left and right side of the ME-TUN with the help of an appropriate 2.5mm PHILIPS screw driver... -
Page 8: Setting The Sampling Rate For The Digital Audio Output
A.3. SETTING THE SAMPLING RATE FOR THE DIGITAL AUDIO OUTPUT The AES/EBU digital audio output on the rear side of the ME-TUN is featuring a sampling rate of 48kHz. This sampling rate is factory set and marked on the rear panel as such. - Page 9 48kHz (which is the factory setting) do not set a jumper at the left position J1 but set a jumper on the right position J0 File: ME-TUN Manual E.DOC MEDIA ENGINEERING page 9/29...
- Page 10 14. tighten the crews slightly (“two finger” torque) with the help of an appropriate 2.0mm PHILIPS screw driver. DO NOT USE STRENGTH. 15. replace the cover of the ME-TUN in a vertical motion so that there remains an air gap of approximately 10mm in the front section 16.
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Page 11: Cabling
ME-TUN USER`S MANUAL A.4. CABLING Connect an antenna cable to the “RF Input A” or “RF Input B” socket of the ME-TUN. These inputs are featuring F-type connectors (female chassis receptacles) with 75Ω impedance. switch OFF-POWER-ON RF Input A RF Input B... -
Page 12: Operating Instructions
ME-TUN has quite a large number of keys, but is nevertheless operated very simply. Only the lit up keys react on user input. No matter in what position of the input sequence the operator is, the ME-TUN will light up only those keys, which are meaningful for the next keystroke. -
Page 13: The Initial State
The lower half of the LCD display is showing one out of three possible information lines (described in B.1.7.: SETTING THE INFO MODE on page 17). When the ME-TUN is in its INITIAL state the keypad will be lit up as already presented in “keypad 1” on page 12. -
Page 14: Tuning In To A Specific Frequency
13) of the keyboard forces the user to do inputs within a given time interval. After inputting the second last digit (5), it’s not needed to input the last digit (0) for ME-TUN will always set the last digit automatically. As a summary: the entire sequence for the frequency in question is: 1-0-3-2-5 to tune to 103.250MHz out of the INITIAL state. -
Page 15: Saving A Preset
MENU keypad 3: INITIAL STATE whereupon “screen 4” will appear on the LCD display and the ME-TUN will ask for a preset number, in order to know where to save the preset. Preset numbers between 00 and 39 are allowed in order to save •... -
Page 16: Loading A Preset
4: INITIAL STATE 103.250MHz mono ҰA Load: screen 5 After inputting the two preset number digits, ME-TUN will fall back automatically to the INITIAL state (refer to section B.1.3: INITIAL STATE on page 13). File: ME-TUN Manual E.DOC MEDIA ENGINEERING... -
Page 17: Setting The Info Mode
Activating the LOAD button twice is stepping through all three info modes: LOAD DISP ↑PGM ↑25kc LOCK SCAN SAVE ↓PGM ↓25kc ANTA/B MENU keypad 5 After each double-press of the LOAD button, the channel info mode changes its state. File: ME-TUN Manual E.DOC MEDIA ENGINEERING page 17/29... -
Page 18: Headphones Volume Control
ME-TUN USER`S MANUAL B.1.8. HEADPHONES VOLUME CONTROL On the front side of the ME-TUN there is totally to the right side the headphones connector. This is a standard ¼” Jack as very widely used for headphones worldwide. headphones volume UP volume DOWN There are two push-buttons to the left of the headphones connector. -
Page 19: Extended Operations
ANTA/B MENU keypad 6: INITIAL STATE A double-press of the SAVE/MENU button is switching to the MENU functions and the LCD display of the ME-TUN will look like “screen 6”. 102.025 MHz mono ҰA RFL |■■■■| screen 6 The actual loaded preset number (which must not necessarily contain the same frequency as is shown in the top row) is displayed in the bottom row at the right hand side. -
Page 20: Stepping Through Presets
During using MENU functions the automatic “fall back to INITIAL state” feature of the ME- TUN is still active. After a certain time without any user input, ME-TUN will quit the MENU state and fall back to the INITIAL state (refer to section B.1.3: INITIAL STATE on page 13). -
Page 21: Fine Tuning
When pressing one of these buttons continuously, the stepping will be faster. The frequency range of the receiver (87.5MHz to 108.0MHz) can not be exceeded and the stepping will be stopped before going out of band. File: ME-TUN Manual E.DOC MEDIA ENGINEERING page 21/29... -
Page 22: Locking The Tuner
(to prevent fall back after approximately 3 seconds) will unlock the ME-TUN. (Note: this is the identical key sequence as is used to lock the ME-TUN out of the INITIAL state (refer to section B.1.3: INITIAL STATE on page 13)). -
Page 23: Scanning The Fm Channels
TUN finds will be saved to program number 39, the second one to program number 38 and so on. As the user of ME-TUN will normally have his favourite channels stored in the first few preset positions (e.g. preset 00 to preset 08), the scanning function will not overwrite the user channel setup when storing all channels which were found during scanning to the last positions in memory. - Page 24 05 programs found! screen 10 By hitting the LOAD button ME-TUN will load the last station it has found (in case of “05 programs found” this is preset number 35) and returns to its INITIAL state (refer to section B.1.3: INITIAL STATE on page 13).
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Page 25: Selecting The Antenna Input
8: MENU ANT A/B After pressing this key, ME-TUN will toggle the antenna input from A→B or from B→A, depending on the previous selection of the antenna input. Note: ME-TUN is featuring two antenna inputs for there are situations in which it’s necessary to monitor not only radio stations that can be received with the help of an aerial (e.g. -
Page 26: Pinout Of 25 Pin D-Type Connector On The Rear Side
C. PINOUT OF 25 PIN D-TYPE CONNECTOR ON THE REAR SIDE The 25pin D-type connector AUXILIARY INTERFACE on the rear side of the ME-TUN is a female chassis type receptacle. While looking onto the connector from the rear the pinout of... -
Page 27: Example Of How To Use The Auxiliary Interface
USER`S MANUAL D. EXAMPLE OF HOW TO USE THE AUXILIARY INTERFACE The schematic diagram represents the internal ciruitry of the ME-TUN in regard of the AUXILIARY INTERFACE. Also two application examples are shown: the implementation of relais coupled switching outputs with the use of an internal rsp. external DC source. -
Page 28: Summary Of Keyboard Commands
25kc ↓ 25kc LOCKING THE ME-TUN: MENU LOCK MENU UNLOCKING THE ME-TUN: MENU LOCK MENU SCANNING : MENU MENU SCAN LOAD …………… LOAD SELECTING (TOGGLING) THE ANTENNA INPUT : MENU ANTA/B MENU File: ME-TUN Manual E.DOC MEDIA ENGINEERING page 28/29... -
Page 29: Technical Specifications
INCLUDED ACCESSORIES: 1 pcs. power cord, 3wire 2 pcs. antenna connection adapter type "F-male" ⇔ "IEC-male" 2 pcs. 19"/1RU rack mount kit 1 pcs. user's manual subject to change © Copyright MEDIA ENGINEERING File: ME-TUN Manual E.DOC MEDIA ENGINEERING page 29/29...