USER GUIDE - Canford Audio
Contents
1. Then select CE 0I CE 02 or CE 03 using the or keys Press OK to confirm N B It is only possible to activate one fast mode at a time Fast Channel mode can t be activated at the same time as the Fast Volume mode To stop the Fast Channel mode go back to the dedicated Fast Mode menu and choose the option None 5 0 ADVANCED SETTINGS MENU 5 1 N B The following menu would only normally made available to certain types of users Technical Managers etc Access to it requires a PIN access code available on request from Tech Support Canford Audio Plc Please be aware that it s possible to prevent the belt packs communicating if the configuration is set incorrectly Tel 44 191 418 1144 E mail techsupport canford co uk The Advanced settings menu allows access to the following 5 sub menus i Filter type ii User Menu Locked iii Encryption mode iv Microphone settings v AEC Filter Using Advanced Settings Entry of a PIN code is required Please see Figure Pin Code Enter Ok Exit menu Figure I Entering the PIN Code Procedure From the main screen press and hold the menu key for 2 seconds to access the user menu Press the or keys to go to the sub menu Adv Settings Press OK to confirm The belt pack will now prompt you to enter a PIN code Enter the value of each digit using the and keys Moving to the next digit is done by briefly pressing the O2. Wireless Interface TW403 Stock Code 27 403 U Made in Figure I XLR Interface To A Wired Tecpro System The TW403 does not require to be powered separately as it takes its power from the normal system Tecpro 24V DC system cabling The top surface of the TW403 Mk Il houses the control panel to configure functions such as frequency selec tion setting the ID number etc The 02 127 TW40I Mk Il data sheet wireless belt pack goes into more detail and all the same instructions apply with only the following exceptions a The information screen is on all the time it does not auto dim b The battery strength icon is removed as system 24V DC is always present c The headset audio output level icon is removed it s not needed d PTT is not implemented not needed e The antenna is now removable and the housing has an SMA connector 2 1 Setting Up First attach the supplied whip antenna For enhanced coverage the optional 27 412 TW412 Dipole antenna can be used this has a 5m cable so it can be positioned remotely The TW 403 has a chassis SMA connector for this RF connection Then power the TVV403 up by plugging it into a Tecpro wired circuit ensuring you are using the normal XLR3 wiring convention Pin Screen Pin 2 24V DC Pin 3 Audio The TVV403 will power up automatically and the blue display will illuminate Then it s necessary to configure the chosen working frequency as required and al
3. Please see Figure 5 below Chan settings CE1 CE 2 CE 3 Select a channel Exit Menu Figure 5 Channel Group Selection Press OK to confirm Press to return to the main screen 2 8 Setting a Conference Group To set up a conference group each belt pack needs to be configured as follows i Assign an identifier number to each belt pack that will take part in the conference ii Enable the belt packs to enter the conference N B Once these parameters are stored in the memory they will remain the same even if the belt pack is switched off or the battery removed 2 9 Assigning an Indentifier Number To set up a conference group first decide the number of belt packs that will take part in the conference and assign a unique number to each of them There may be between 2 to 6 belt packs in a conference group or up to 5 if a TW 403 Mk II is used as this will become one of the nodes The identifier numbers available are OI to 06 Make sure each device has a unique identifier don t assign several devices with the same identifier as this will prevent communication N B One of the belt packs or the TW403 Mk Il must be set with identifier number OI Please see figure 6 below Role setting 01 02 03 Select a role or Exit Menu Figure 6 Role Setting Screen Procedure From the main screen press and hold the menu key for 2 seconds to access the user menu Press the or keys to access th
4. Tecpro TVV407 Lightweight earpiece with boom mic and on off switch Tecpro SMH214 Single muff headset Tecpro DMH224 Dual muff headset Tecpro Spare 2600mAh rechargeable battery Tecpro Spare belt clip for TW401 Additional accessories will be made available as they are developed Page 14 8 0 TECHNICAL SPECIFICATIONS 27 403 TW40I Wireless Belt pack 8 1 8 2 8 3 Harmonised Standards Frequencies Modulation Data rate RF Power Useable distance Duty Cycle Conference Group Listen Only Protection Class Dimensions Weight Radio EN300 220 EMC EN301 489 CEO 869 525 MHz CE02 864 500 MHz CE03 863 500 MHz GFSK 115 kbits sec air rate 200mW erp maximum depending on channel selected 863 865 MHz band operates at a reduced power 300 to 400m maximum depending on the environment and the channel selected lt 10 Up to 5 personnel as the TW403 Mk II is a node Unlimited number of listeners IP54 rated 60 w X 22 d X 120 h mm 80g 27 214 SMH214 Single muff closed headset Impedance Microphone 35 ohm Electret mic 2 10V DC 27 224 DMH224 Dual muff closed headset Impedance Microphone 2 X 35 ohm Electret mic 2 10V DC Page 16
5. for 2 seconds to access the user menu Press the or keys to select the Adv Settings menu Press OK to confirm Press the or keys to select the sub menu User Menu Locked Press OK to confirm Press the or keys to select Activated Press OK to confirm Press to return to the main screen 5 4 Disabling The Encryption Setting In some instances it may be desirable to disable the encryption procedure For example when adding new belt packs into a conference group but without having to go through the encryption procedure as described in section 2 10 Typically this would be where the different belt packs are located a long distance apart from each other and it s not practical to bring them back together again for encryption and the introduction of additional belt packs If encryption is disabled then an available ID needs to be chosen and the same radio channel as the existing conference used Please see figure I 5 Encryption Inactivated Activated Exit menu Figure 5 Encryption Activation Screen Page Procedure From the main screen press and hold the menu key for 2 seconds to access the user menu Press the or keys to access the Adv Settings menu Press OK to confirm Press the or keys to select User Encryption Mode Press OK to confirm Press the or keys to select Inactivated Press OK to confirm Press to return to the main screen n
6. is used as a bridge to a wired system The group can simultaneously talk and listen to all the other users within the same group In addition an un limited number of listener only belt packs can be added to the system useful for personnel who only need to monitor conversation within the group The system operates primarily on an EU licence exempt UHF frequency of 869 525 MHz with two alternative EU licence exempt frequencies provided within the 863 865 MHz band Encrypted digital transmission technology is used for secure communication Additional non EU frequencies are available for use in many countries worldwide Approximate operational coverage is 300 400m depending on the environment and the frequency selected Please see the full technical specifications in Section 8 0 Major applications are in the theatre conference live performance and broadcast markets though new applications are constantly emerging Please note that the latest Mk II versions are not backwards compatible with the previous Mk versions a different coding system is used 2 0 BASIC OPERATION The TW403 Mk II Wireless Interface enables a wired Tecpro group to be interfaced with a wireless Tecpro conference group The TW403 acts as a bridge between the two systems There are two XLRs on the side of the TW403 to enable the connection to an existing Tecpro wired system and also allow loop through if it is needed Please see figure below
7. Mk I WIRELESS INTERFACE TW403 by Canford Product Code 27 403 Canford Audio Plc Crowther Road Washington Tyne and Wear NE38 OBW www canford co uk 02 129 Issue 4 13 12 CONTENTS Section 0 Introduction Section 2 0 Basic Operation 2 1 Setting Up 2 2 Top Panel 2 3 Keypad 2 4 Turning On and Off 2 5 Locking and Un locking The Keypad 2 6 Screen Information 2 7 Setting the Radio Channel for a Conference Group 2 8 Setting a Conference Group 2 9 Assigning an Identifier Number 2 10 Enabling a Conference Section 3 0 Adjustments 3 1 Input Level To Wireless 3 2 Output Level From Wireless 3 3 Main Null 3 4 HF Trim Null Section 4 0 Operational Features 4 1 Quick Channel Setting Fast Channel 4 2 Using Fast Channel mode Section 5 0 Advanced Settings 5 1 Using Advanced Settings 5 2 Filter Type 5 3 User Menu Locked Feature 5 4 Disabling The Encryption Setting 5 5 Microphone Gain Settings Section 6 0 Troubleshooting 6 1 Cannot communicate with other Belt Packs 6 2 The Belt Pack cannot enter a Conference 6 3 The Belt Pack will not switch on 6 4 Communication Inteference 6 5 Crackling Noises 6 6 Echo Sounds 6 7 The Keys Are Not working Properly Section 7 0 Accessories Section 8 0 Technical Specifications 1 0 INTRODUCTION The Tecpro wireless belt pack system can be used to establish a full duplex wireless conference group of up to 6 personnel This is reduced to 5 if a TW403 Wireless Interface
8. N OFF key Once the full PIN code has been entered press OK 5 2 Filter Type Depending on the environment and the individual users preference several types of filters are available Please see figures 12 and 13 Filter type Applications Designation Generic General use Specific Other noisy environments No Filter No filter Generic without mute General use without mute Specific without mute Other noisy environments without mute No Filter without mute No filter without mute Figure l2 Filter Settings Table Filter setting Sport Other No Filter Select a filter Exit menu Figure 3 Filter Settings Screen Procedure From the main screen press and hold the menu key for 2 seconds to access the user menu Press the or keys select the Adv settings menu Press OK to confirm Press the or keys in the sub menu to select the required filter i e Generic Press OK to confirm Press to return to the main screen Page 10 5 3 User Menu Locked Feature This feature allows you to lock access to the main menu if you do not want users to change the settings of the belt packs Please see figure 14 N B If this feature is enabled access to the main menu will only be authorised by inserting the PIN code User menu locked Inactivated Activated Exit menu Figure 14 User Menu Locked Screen Procedure _ From the main screen press and hold the menu key
9. a conference group has been created N B Do not assign the same identifier number to several belt packs 6 2 The Belt Pack Cannot Enter A Conference Check all belt packs are using the same radio channel number Make sure all the belt packs have been encrypted to enter the conference especially if an extra belt pack has been added to an existing conference 6 3 The Belt Pack Will Not Switch On Check that the battery is charged and correctly inserted the right way round 6 4 Communication Interference Another conference system may be in use close to yours Use the primary CE OI radio channel or switch to the alternative channels CE 02 or CE 03 Make sure there is no contact between the belt pack antenna and the headset cable Page 13 6 5 Crackling Noises The microphone of one of the belt packs is probably damaged Replace the headset or re terminate the connector 6 6 Echo Sounds Check there is at least 10m between the belt packs to prevent your voice being picked up on another headset boom mic 6 7 The Keys Are Not Working Properly Press the keys in the centre Some functions require a key to be pressed and held for 3 seconds Avoid pressing more than one key simultaneously 7 0 ACCESSORIES 27 401 27 403 27 415 27 406 27 407 27 214 27 224 27 408 27 409 Tecpro TW401 wireless belt pack Tecpro TVV403 wireless interface Tecpro TVV405 Battery charger 5 way Tecpro TVV406 Lightweight earpiece with boom mic
10. e sub menu Role Setting Press OK to confirm Press the or keys to select the required ID Press OK to confirm Press to return to the main screen 2 10 Enabling a Conference To enable a conference group of belt packs they must communicate and memorise an encryption key transmitted by belt pack 01 This operation is necessary to enable all the belt packs to enter a conference or to add an additional belt pack to a conference that has already been setup N B The devices can only communicate if this procedure known as the encryption process is performed First make sure all belt packs have a unique identifier number and that one has the identifier Ol Procedure From the main screen on belt pack 0 press and hold the menu key user menu Press the or keys to access the sub menu Network Press OK to confirm Press the or keys until the sub menu Start appears Please see Figures 7 and 8 Press OK to confirm for 2 seconds to access the UU Network encryption Exit Start Figure 7 Network Encryption Network encryption In progress Please wait Exit menu Figure 8 Network Encryption In Progress Belt pack TVWV403 MkII OI is now transmitting an an encryption key signal and displays the message Sending key Please wait until process has succeeded Then on all the other belt packs in the conference group follow the same procedure and SUCCEEDED will app
11. ear on the other screens Then press OK to confirm on all the other belt packs in the conference group Finally when all the belt packs have been enabled into the conference group press OK on belt pack 01 to end the procedure 3 0 ADJUSTMENTS N B The following audio level multi turn trim potentiometer adjustments are set in the factory and would not normally need further adjustment but can be adjusted if necessary by the user Input Level To Wireless Output Level From Wireless Main Null and HF Trim Null controls are available Each control is discussed in more detail below Please see figure 9 HF Main im Null tte Input Output Level to Level from Null Wireless Wireless Figure 9 Trim Potentiometer Location 3 1 Input Level To Wireless This input level trim pot controls the level of audio from the Tecpro wired system that is sent onto the Tecpro wireless conference group Turning this trim pot anti clockwise reduces the level and when turned fully anti clockwise the TW403 Mk II will eventually stop coding the audio Please adjust this control as necessary so that the Tecpro wired audio is coded and can be heard clearly by listening to the results on a TW40I Mk Il wireless belt pack N B Do not turn this control excessively clockwise as the audio will begin to sound distorted please listen to the results by carefully monitoring on a TW401 Mk Il wireless belt pack 3 2 Output Level From Wireless This output
12. g Fast Channel If several Tecpro Wireless conference groups are used on the same site by using different radio channels then it is possible providing the encryption process is disabled please see section 5 4 to use the Fast Channel feature to switch from one radio channel to another This may be the case for example if a team leader or director needs to move from one conference group to another within a venue N B i This feature can only be used on CE channels not Non CE channels ii Do not assign the ID OI to a belt pack that will then subsequently change radio channels as this will disrupt communication between the remaining members of that conference group Each conference group must retain a belt pack on ID OI to enable continuous group communication Please see figure 10 Fast mode None Fast volume Fast channel Exit menu Figure 10 Fast Channel Adjustment 4 2 Procedure From the main screen press and hold the menu key for 2 seconds to access the user menu Press the or keys to access the sub menu Fast Mode Press OK to confirm Press the or keys to select Fast Channel Please see Figure 12 Press OK to confirm Press to return to the main screen Using Fast Channel Mode The use of Fast Channel can now be done directly via the or keys Procedure A short press of less than second on the or keys will allow direct access to the channel choice
13. h N B If the encryption procedure is disabled you can t ensure the security or confidentiality of your communications 5 5 Microphone Gain Settings The belt pack has an embedded AGC on the microphone circuit that allows the use of many types of headsets However it is possible to manually set both the DC polarisation and gain of the microphone in manual mode Polarisation settings OR 680R 2 7k 5 4k Gain values OdB 6dB 2dB I8dB 24dB Please see figures 16 17 and 18 Procedure From the main screen press and hold the menu key 2 for 2 seconds to access the user menu Press the or keys to access the Adv Settings menu Press OK to confirm Press the or keys to select the sub menu Mic Settings Press OK to confirm Press the or keys to select Manual Press OK to confirm Set the required Polarisation value and press OK to confirm Set the required Gain value and press OK to confirm Press to return to the main screen Micro settings Auto Manual Exit menu Figure l6 Micro Settings Screen Page 2 Mic Polarization 680R 2K7 5K4 __Exit menu Figure 7 Mic Polarisation Screen Mic gain 0 dB 12 dB 24 dB Exit menu Figure 18 Mic Gain Screen 6 0 TROUBLESHOOTING 6 l_Can t Communicate With Other Beltpacks Check all belt packs are using the same radio channel number Check that one belt pack is identified with the number OI and that
14. level trim pot controls the level of audio from the Tecpro wireless conference group onto the Tecpro wired system Please adjust this control as necessary so that the wireless conference group can be heard at a level that matches existing audio levels on the Tecpro wired part of the system 3 3 Main Null The purpose of the main null trim is to separate the input and output audio levels so that they do not interact with each other The length of Tecpro system cabling infrastructure connected will affect the position of this control but it does have a nominal centre position If adjustment is needed first take a TWV401 Mk Il wireless belt pack with a headset then talk and listen using this equipment If a slight echo of your own voice is heard in your headset then the NULL control will need adjustment Continue talking and listening using the same headset and then carefully adjust the NULL until the echo is minimised to zero N B This is a fine adjustment using a multi turn pot Please ensure that there are no other TW401 MK II wireless beltpacks with headsets and open mics in use in the same locality as this will cause a confusing acoustic echo 3 4 HF Trim Null The HF null trim pot is an additional null control that operates in conjunction with the above main null trim pot to separate the input and output audio levels at higher frequencies It has a nominal centre position 4 0 OPERATIONAL FEATURES uick Channel Settin
15. so an ID number N B This procedure needs to be done just once as the units will remember their configuration even if the power or battery is then removed The communication is UHF full duplex using encrypted digital technology There is a choice of 3 frequencies all are licence exempt in the EU The wireless conference group can now be able to talk to the wired users on the Tecpro circuit and vice versa 2 2 Top Panel There are 5 front panel keys that enable the selection and viewing of the various menu functions and their options Please see figure 2 below Keys Description Y p Start Stop Power ON OFF O The menu key allows access to the configuration menu of the belt pack Also allows direct access to group selection In the setup menu of the belt pack these keys adjust various parameters Allows locking unlocking of the keypad In the setup menu of the belt pack this button also allows you to accept the selected option or exit the device configuration Figure 2 Key Functions Page 3 2 3 Key Pad The keypad is a touch sensitive type 2 4 Turning On and Off To turn the TW403 MkII on press and hold the ON OFF key for 2 seconds To turn the TW403 Mk Il off press and hold the ON OFF key for 2 seconds 2 5 Locking and Unlocking the Keypad Press and hold the OK key for 2 seconds until the key symbol G appears on the screen The keypad buttons are now locked to prevent accidental opera
16. tion except the ON OFF key operation as described in Section 2 4 To unlock the keypad press and hold the OK key for 2 seconds until the ket symbol C disappears N B The keypad is automatically locked each time the TW403 Mk II is switched on 2 6 Screen Information The screen displays the TW403 MkII current status and various other settings Please see Figures 3 and 4 below Y 1 2 3 9 5 6 01 Figure 3 Display Ceon O Decipion OOOO O Belt Pack Identifier Number Indicates the belt pack number in the conference group or if it is in listener mode System Status The icon indicates the location of the TW403 MkII in the conference group and the numbers indicate the other belt packs in the same conference A dash over the number indicates the particular belt pack is in listener mode Radio Channel Number Indicates the selected radio channel number Keypad Locked Unlocked N B The power ON OFF function still operates Figure 4 Screen Icon Information Page 4 2 7 Setting the Radio Channel for a Conference Group To communicate the belt packs must be set to the same radio channel number The primary channel is CE however alternative channels CE 2 and CE 3 are also available Procedure From the main screen press and hold the Menu key 2 for 2 seconds to access the user menu Use the or keys to access the sub menu Channel Press OK to confirm Select the channel by using the or keys
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