Felston HD940 Owner'S Manual Download Page 44

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Specifications

Audio Delay Capabilities

•

0 to between 340 ms and 999 ms, in 1 ms or 0.33 ms steps.
Maximum delay is dependent on the audio format of the HDMI
signal, but is always at least 340 ms.

•

32 user-programmable presets (8 per input)

Digital Audio Signal Compatibility

The HD940 preserves digital audio integrity

bit-for-bit,

ensuring

compatibility with all current HDMI audio formats.

List formats we have tested with along with notes on maximum delay?

Connections

•

4 x HDMI Inputs

•

1 x HDMI Output

•

DC power supply socket

Power Requirements

5V DC (+ve center), 2A

Refer to the specifications printed on the power adaptor supplied with
HD940 for AC power requirements.

Power Consumption

Less than ?? Watts for the HD940 from 5V DC

AC power consumption will depend upon the country specific power
adaptor supplied with the unit but will not exceed 5 watts in any case.

Dimensions of Main Unit (WxDxH)

Size:

7.9” (200mm) x 4.1” (104mm) x 1.2” (30mm)

Weight: 1lb 5oz (600g) approx.

Summary of Contents for HD940

Page 1: ...H 4 INPUT HDMI DIGITAL Owner s Manual HD940 HDMI DIGITAL AUDIO DELAY Owner s Manual AUDIO DELAY ...

Page 2: ... Using another power supply is dangerous and may cause fire and or damage to the unit and or personal injury The manufacturer of the unit will not be held responsible for any damage or injury caused in this way 9 Only use in a wall socket providing the AC voltage specified on the power adaptor Using an AC voltage outside the specified range is dangerous and may cause fire and or damage to the unit...

Page 3: ...tion between the equipment and AV receiver Connect the equipment to an outlet on a circuit different from that to which the AV receiver is connected Consult the dealer or an experienced radio TV technician for help This unit is in conformity with the EMC directive and low Disposal of Waste Electrical Electronic Equipment WEEE This symbol on the product or on its packaging indicates that this produ...

Page 4: ...mple Connections without an AV Receiver 11 Example Connections with an AV Receiver 12 Basic Operation 14 Standby Mode 14 Switching to Active Mode 14 Selecting Input Source 14 On Screen Display 15 Setting the Audio Delay 17 Presets 19 Auto Delay Modes 21 Auto Delay Mode 21 Extended Auto Delay Mode 22 Lock Unlock 24 Cascade Mode 25 Using 2 HD940 s in Cascade Mode 25 Using More Than 2 HD940 s in Casc...

Page 5: ...nu 32 Replacement Auto Latencies 33 Input Labels 34 IntelliInput 36 Audio Latencies 36 Extended Auto Delays 37 Programmable Learning Remotes 39 Controlling Multiple HD940 s Independently 39 Factory Reset 41 Returns and Repairs 41 Troubleshooting 42 Specifications 43 ...

Page 6: ...r previous digital audio delays the DD340 DD540 and DD740 And now the Felston HD940 gives you complete control over audio video synchronization of your HDMI AV system And by delaying audio to match the video delay you will not only correct lip sync but also restore reality Users of our other Felston units will be used to the wide range and precision of delay available Now the HD940 introduces for ...

Page 7: ...mode Extended Auto Delay mode or manually for full control User selectable position of on screen display or on screen display can be turned off completely Cascade Mode allows up to 7 HD940 s to be connected and controlled as a single device for lip sync correcting up to 22 HDMI sources1 Support for learning remote controls including additional IR codes for discrete power on off etc Programmable re...

Page 8: ...l Infrared sensor behind panel button HDMI Input C HDMI Input D or Cascade Input Cascade Mode HDMI Input B Connections Standby LED Input button Input LEDs behind panel Power button HDMI Input C HDMI Input B HDMI Input A HDMI Output Power socket ...

Page 9: ...te Control Infrared transmitter Settings Power Information Confirm Inputs A Preset or Input G Input Toggle or Input F Cascade Mode Delay Auto Delay Mode Toggle Move On Screen Display OSD Numeric Keypad 9 Power Information Inputs A D Input G Cascade Mode Cascade Mode Delay Right Auto Delay Mode Toggle Screen Display OSD Numeric Keypad ...

Page 10: ...UM 4 MN2400 LR03 alkaline 1 5V batteries into the remote control Ensure their and terminals are as pictured on the diagrams embossed within the battery compartment Do not use rechargeable batteries as they have lower voltage and may not work Note when using the remote control to operate the HD940 point it towards the front panel Power Adaptor The power adaptor comes complete with a selection facep...

Page 11: ...D940 is disconnected Ensure all the equipment you wish to connect to is switched off must also be done whenever you connect disconnect equipment Connect the HD940 between your source equipment and your TV or your AV Receiver Example configurations Connections without an AV Receiver 11 Ensure the power cable to your HD940 is disconnected Ensure wish to connect to is switched off This must also be d...

Page 12: ...attached to the HD940 are suggestions only Connections with an AV Receiver In the examples above none of the equipment or cables shown attached to the HD940 are included Connections shown are suggestions only AV Receiver In the examples above none of the equipment or cables Connections shown ...

Page 13: ... connected the HD940 will enter standby mode indicated by the Standby LED glowing red Switch on your TV and source equipment Select the HDMI Input of your TV that is connected to the HD940 AV Receiver Settings If you are using an AV Receiver and it has its own audio delay setting set this to zero milliseconds If this is not done then it may be impossible to adjust the total audio delay low enough ...

Page 14: ...to Active Mode From Standby mode press on the remote control or the POWER button on the front panel of the HD940 The HD940 will switch to Active mode indicated by the Standby LED going out and one of the Input LEDs glowing green To return to Standby mode press again BEFORE DISCONNECTING POWER Always switch the HD940 into Standby mode before removing power from the unit If power is removed while th...

Page 15: ...m left corner of the screen To see the current input selection and delay press any time e g Input C 107 ms Press again to clear the on screen display Position of On Screen Display You can move the on screen display between 2 positions one close to the bottom left corner and one position further in towards the center this position is useful if you watch your TV in zoom mode In addition you can turn...

Page 16: ... is the horizontal resolution e g 1280 pixels The second number is the vertical resolution e g 720 pixels This is followed by either a p meaning the display is in progressive mode or an i meaning it is in interlaced mode The final number is the frame rate e g 60 frames per second a second time and the on screen display shows further information VIC 4 e not set The first number is the HDMI Video Id...

Page 17: ...and 999 ms depending on the type of HDMI audio signal To increase the audio delay in steps of 1 ms press holding down this button the delay will increase quickly until The amount of delay will be shown on The delay will only activate once you have stopped changing the Whenever the audio delay is changed the audio will mute for a short period This is normal operation To decrease the delay in steps ...

Page 18: ... delay This will reduce slightly the time taken for the HD940 to activate the delay after it is entered Maximum Delay Available If you select a delay greater than the maximum delay possible for the current HDMI signal then it will appear on screen in red as you enter it The display will change soon after to indicate the actual delay in white enacted by the HD940 If your audio signal subsequently c...

Page 19: ...lay Adjustment by pressing screen display is showing Fine Delay Adjustment is also exited automatically after 10 minutes of no button presses or if the power to the HD940 is interrupted 40 allows storage of up to 32 delay settings for easy for each input Presets are stored and recalled using buttons on the remote control Presets are retained even if 40 is lost Storing a Delay in a Preset The curre...

Page 20: ...set buttons the preset you require Recalling a Delay from a Preset repeatedly until the preset you require is shown Preset 3 82 ms Wait a couple seconds and the on screen display will show the current input and the newly selected delay The new discrete preset buttons through the preset you require until the preset you require is shown screen display will change to show the current input and the ne...

Page 21: ...elevision broadcast So manual audio delay selection still provides best results for lip sync Auto Delay Mode As well as manual delay mode as described in previous sections the HD940 also provide an Auto Delay Mode that uses the latencies from your TV and source equipment So you can choose automatic or manual delay mode as you wish Selecting Auto Delay Mode Press If your HDMI equipment provides aud...

Page 22: ...quired screen refresh rate or frequency can also affect it includes an Extended Auto Delay mode that adds to the Auto Delay feature allowing different automatic delays to be set for different video formats Displaying Video Format Information it is possible to see what your current video format also the video format s code number its VIC The ture of the HD940 allows each VIC code to have a differen...

Page 23: ...lay mode will not be shown if there are no latency values available see page 21 Note also that Extended Auto Delay mode will only be shown if there is an Extended Auto Delay stored for the current video format The HD940 will remain in the auto or manual delay mode have selected This mode is selected independently for example inputs A and C may be in manual delay input B is in Auto Delay mode and i...

Page 24: ...values being changed the remote control handset has a Lock feature To Lock the handset press and hold While you are holding it down a message will appear on screen in yellow Locking After 6 seconds the message will change to white and will read Locked s now locked which means that the not function In this way presets and Extended Auto Delay values cannot be accidentally changed To unlock the hands...

Page 25: ...cting multiple together in Cascade Mode Two HD940 s can be connected in this way to allow up to 7 input sources to be controlled from the HD940 s remote control In addition up to 7 HD940 s can be nnected in Cascade Mode allowing up to 22 input sources Note that when more than 2 HD940 s are used in Cascade programmable remote control is required for their operation supplied by the user HD940 s in C...

Page 26: ...ed off TV AV receiver input sources and power disconnected from both HD940 s connect as shown in the diagram above Now follow these steps to put the HD940 s into Cascade Mode Connect power to only the HD940 that will be Switch 1 Press and keep held down After 30 seconds approximately notice two input LEDs on the HD940 flash briefly This indicates it is in cascade the button Disconnect power from H...

Page 27: ...er is first applied to a HD940 the input LEDs will flash to indicate which switch it is configured REMOTE CONTROL RECEPTION IN CASCADE MODE So that the HD940 s operate reliably and synchronized with each other they should all be located close together and facing the same direction so that their remote control IR receivers all get signals from the remote control whenever you press a button If for s...

Page 28: ...tch 1 s inputs A through D to your first Connect Switch 1 s Output to the Cascade Input Switch 2 Connect HD940 Switch 2 s inputs A through C to your next Connect Switch 2 s Output to the Cascade port of HD940 Repeat the above steps for any further HD940 s With the final HD940 connect it s Output to your TV or AV When connecting HD940 s in Cascade Mode follow these steps Connect HD940 Switch 1 s in...

Page 29: ...rces and power disconnected from all HD940 s follow these steps to put the HD940 s into Cascade Mode 1 Connect power to only the HD940 that will be Switch 1 2 Press and keep held down the A input button on your remote control 3 After 30 seconds approximately notice two input LEDs on the HD940 flash briefly This indicates it is in Cascade Mode 4 Release the button 5 Disconnect power from HD940 Swit...

Page 30: ...te control to the HD940 s Cascade Mode Configuration Table HD940 Input Button To Press Input LED Flashes Switch 1 A A and D flash 3 times Switch 2 E B and D flash 4 times Switch 3 H C and D flash 5 times Switch 4 K A and D flash 6 times Switch 5 N B and D flash 7 times Switch 6 Q C and D flash 8 times Switch 7 T A and D flash 9 times This button is only available when using a suitably programmed t...

Page 31: ...ut of Cascade Mode follow these steps Disconnect power from all HD940 s Connect power to the HD940 you wish to leave Cascade Mode you can do this to more than one HD940 at the Press and keep held down the zero button After 30 seconds approximately notice input LEDs on the HD940 will flash 11 times This indicates HD940 is out of Cascade Mode Release the button 31 take a HD940 out of Cascade Mode fo...

Page 32: ...ge will change to display the first and its value e g AUTO i TV EDID Navigating the Settings Menu To select which setting you want to view or change use the arrow buttons Each setting and its current value is shown in white White indicates the value is stored To change a setting press The setting s value displayed will change and it will appear in yellow Yellow indicates the value displayed has no...

Page 33: ...ll be able to use Automatic De even with a TV that does not provide its own audio latencies To store a Replacement Auto Latency follow these steps Before entering the Settings menu set the delay to the latency you want to store Enter the Settings menu Replacement Auto Latencies one for interlaced video signals and one for progressive video signals Select you wish to store i e AUTO i TV EDID for in...

Page 34: ...ou may prefer to use the Extended Auto Delay mode see page 22 HD940 since it provides the ability to control the automatic each video format individually In practise there are so many factors that can affect the synchronization of audio and video that no automatic mode however sophisticated will cure it in all circumstances And so you may find it easiest and also most effective to set the o delay ...

Page 35: ...There are upper and lowercase letters digits and some symbols Holding down the button for a couple seconds will make the cycling auto repeat In our example we change the I to an uppercase C C C Press The display shows the cursor has moved one place to the right of the C C C_ Using and change the second character to a lowercase A and press once more C Ca_ Repeat this process until your display show...

Page 36: ...you may want fully manual control of input selection You can do that by turning IntelliInput off To change the IntelliInput setting cycle through the settings in the Settings menu until you reach it IntelliInput ON Change the setting in the usual way to either ON or OFF using then press to store or to cancel the change If the HD940 is in Cascade Mode then the IntelliInput setting is ignored Intell...

Page 37: ...te if you change the Audio Latencies setting then Extended Auto Delays may change values This is normal as the Extended Auto Delay values include adjustment for audio latency If you change the Audio Latencies setting back again ed Auto Delay values will change back too Extended Auto Delays The setting of the Extended Auto Delay for the current video format has already been described on page 22 But...

Page 38: ... change to yellow to indicate it is being changed to delete the last digit and repeat as required Enter the new extended auto delay using the digits on the numeric and number from 0 to 999 is acceptable If you want to unset an extended auto delay then press repeatedly until the display shows it as not set VIC 5 e not set To store the new extended auto delay press or press To exit the Extended Auto...

Page 39: ...control Using the procedure below it is possible to change the unique manufacturer s code that a HD940 responds to Before you follow the steps below your learning remote must be programmed with the commands of the HD940 Each of those commands must also have its manufacturer s code changed from the default value of B6BA hexadecimal the code used by the Felston remote control handset to another code...

Page 40: ...earning remote control Pressing buttons on the original Felston no longer have any effect on this HD940 change the remote control code of the HD940 Felston original handset or if you want to change it to a different learning remote control follow these steps Connect power to only the HD940 for which you want to change its remote control identity With the HD940 active not in Standby press and hold ...

Page 41: ...ress and hold After about 60 seconds the 4 input LEDs on the front panel will flash in sequence 4 times This indicates the factory reset has been completed Factory Reset causes ALL settings of the HD940 to revert to their default values input labels etc and all presets delays extended auto delays to be deleted so USE WITH EXTREME CAUTION Returns and Repairs If after checking the Troubleshooting se...

Page 42: ...eating sequence for a few seconds behavior when the HD940 is in Cascade Mode To prevent preset values and Extended Auto Delay values being changed the remote control handset has a Lock feature To Lock the handset press and hold While you are holding it down a message will appear on screen in yellow Locking After 6 seconds the message will change to white and will read Locked s now locked which mea...

Page 43: ... panel but there is no response from the remote control Ensure you are pointing the remote control s infrared transmitter squarely at the front of the HD940 Check there is nothing obscuring the display of the HD940 Check the batteries in the remote control are installed correctly replace them with new ones if required The HD940 is operational i e the input changes when an input button is pressed b...

Page 44: ...o formats List formats we have tested with along with notes on maximum delay Connections 4 x HDMI Inputs 1 x HDMI Output DC power supply socket Power Requirements 5V DC ve center 2A Refer to the specifications printed on the power adaptor supplied with HD940 for AC power requirements Power Consumption Less than Watts for the HD940 from 5V DC AC power consumption will depend upon the country specif...

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