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AMP1-8-M

1RU, 8-Channel, 3G/HD/SD-SDI Audio Monitor

User Guide

Software Release: V5.xx

Part Number 821815, Revision A

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Summary of Contents for AMP1-8-M

Page 1: ...AMP1 8 M 1RU 8 Channel 3G HD SD SDI Audio Monitor User Guide Software Release V5 xx Part Number 821815 Revision A ...

Page 2: ...Even though Wohler Technologies Inc has tested its equipment and software and reviewed the documentation Wohler Technologies Inc makes no warranty or representation either express or implied with respect to software documentation their quality performance merchantability or fitness for a particular purpose In no event will Wohler Technologies Inc be liable for direct indirect special incidental or...

Page 3: ...ICES 003 7 Front Panel 8 Rear Panel 9 CHAPTER 2 Operation 10 Introduction 10 Main Screen 10 USB Port Functionality 12 Getting a Configuration from the Flash Drive 13 Save System Configuration to Flash Drive 13 Update Menu 14 CHAPTER 3 Internal Menu System 15 Introduction 15 Menu Navigation Overview 15 Audio Menu 16 Speaker Control Options Menu 17 Select and Detect Options Menu 18 Screen and Phase ...

Page 4: ...ons 26 Introduction 26 Features 26 Compliance 27 Specifications 27 Audio Formats 28 Technical Functional Overview 29 APPENDIX A Upgrading the AMP1 8 M Using a USB Flash Drive 30 Introduction 30 Upgrading the Software Using a USB Flash Drive 30 ...

Page 5: ...ront panel menu system Safety Instructions 1 Read keep and follow all of these instructions heed all warnings 2 Do not use this equipment near water 3 Use only a dry cloth to clean the equipment 4 Do not block any ventilation openings 5 Do not install near any heat source such as a radiator heat register amplifier or stove 6 Do not attempt to plug the unit into a two blade outlet with only two pro...

Page 6: ...nclosure should not exceed 40 Celsius 104 Fahrenheit Adjacent devices can be rack mounted or stacked in proximity to the unit if this temperature is not exceeded Otherwise allow a 1RU 1 75 44 45mm space above and below the unit for air circulation Sympathetic Vibration Sympathetic vibration from other equipment cables etc in the rack may be WARNING The symbol to the left warns of electric shock ha...

Page 7: ...internal circuitry ground is connected to the chassis Power The unit comes with a standard internal power supply and connects an A C mains power source 60W 100 to 240 VAC 10 50 60Hz through the IEC connector provided on the rear panel of the unit When the mains plug or appliance coupler is used as the disconnect device the disconnect device should remain operable Compliance FCC This equipment has ...

Page 8: ...lashes green or yellow followed by a series of red flashes each flash sequence indicates an error code Try restarting the unit and if the problem persists contact Wohler Technical Support Yellow The LED is also a solid yellow when the AMP1 8 M is first starting up The LED blinks yellow when a firmware update is in progress Off The AMP1 8 M is not receiving AC power 6 Metering These screens work to...

Page 9: ...I Inputs These two BNC connectors accept the 3G HD SD SDI input signals 3 3G HD SD SDI Outputs These BNC connectors output regenerated replicas of the two 3G HD SD SDI input signals 4 Selected 3G HD SD SDI Re Clocked Output This BNC connector re clocks the selected 3G HD SD SDI input signal 5 Ethernet The AMP1 8 M does not currently use the Ethernet port except during factory programming For norma...

Page 10: ...tream Speaker Indicators Left Selected Right Muted Level Meters Phase Indicators 0 60 10 20 30 40 50 1 2 5 3 4 7 8 6 0 60 10 20 30 40 50 1 Speaker Indicators The indicators above each meter identify the channel number and the status of the channel Table 2 1 Channel Icon Descriptions Attribute Symbol Description Meaning Icon Shape Left Pointing Blue Triangle Channel Configured to sounds in the left...

Page 11: ...everal ways to select channels for listening The unit can be configured to play all channels but solo selected channels or it may be configured to mute all channels but play only selected channels Please refer to the Select and Detect Options Menu in Chapter 3 for further information 4 Adjust the Volume and Balance controls as necessary 5 Phase Indicators When any of these indicators are red they ...

Page 12: ...menu flow for the USB menu set is shown immediately below in Figure 2 2 The Update Menu button will only appear if the USB drive contains programming files Refer to Appendix A Figure 2 2 Flash Drive Configurations Screen Figure 2 3 Flash Drive Configurations Screen Flash Drive Connected Get System Configuration from Flash Drive Save System Configuration to Flash Drive Get Unplug the USB Flash Driv...

Page 13: ...u want to copy from your flash drive Once the copy process completes the Flash Drive Connected screen re displays Note The configuration takes effect immediately when you press the File button 3 Remove the flash drive from the USB port Save System Configuration to Flash Drive 1 To copy a file to the flash drive from the AMP1 8 M press Save from the Flash Drive Connected screen The Save to Flash Dr...

Page 14: ...ocess completes the Flash Drive Connected screen re displays 3 Remove the flash drive from the USB port Update Menu This button only appears if the inserted flash drive contains a software update files Press this button to proceed to the software updating menu Refer to Appendix A to add a software update to a flash drive ...

Page 15: ...Mute 3 Back 4 Vol Bal 5 6 Fixed 7 Next 8 Speaker Control Options Menu Volume Controls 1 2 Set Tone Flat 3 Back 4 Bass 5 Low Cut 6 Treble 7 Next 8 Version Ethernet Menu 1 2 Factory Default 3 Back 4 Set 5 Ad Mode DHCP 6 Connect LAN 7 Finished 8 Meter Segment Options Menu Upper Seg 1 Middle Seg 2 Set Default 3 4 Upper Color 5 Middle Color 6 Lower Color 7 Next 8 Back Meter Type Reference Menu Scale 1 ...

Page 16: ...e default setting 3 Always Mute Pressing this button selects the option that the internal speakers will always be muted This setting can be convenient to use when monitoring is always done through the analog outputs with external amplifiers and speakers 4 Fixed Pressing this button fixes the line level of the analog outputs as they are in the SDI signal where 20 dBFS 4 dBu 1 dB This is the default...

Page 17: ...the flattest acoustic response possible from the internal speakers 3 Bass and Treble options are provided for customer tuning of the speaker sound to fit your needs Select the menu button and use the Adjust rotary encoder to adjust to the desired level Lowering Bass will unmask midrange band sounds while increasing Bass will make the sound fatter Lowering Treble compensates for high frequency pre ...

Page 18: ...his option if you usually want to hear all the channels and only occasionally solo one or more channels 2 Channel Select Set this control to determine how the select buttons work in the main screen a Single Use his option if you only want to hear one channel at a time Pressing a select will cancel all other selects For example if channel 1 is selected and you press channel 3 channel 1 will be de s...

Page 19: ...ng this Dolby detection method means the channel status bits are examined to determine if they indicate the stream is non audio Unlike Pa detection these bits are not affected by audio manipulations However not all equipment passes or sets this bit correctly which may result in false detection or failure to detect 5 Audio Delay This will set the delay from the inputs to all outputs This is mainly ...

Page 20: ...t Select values from 5 minutes to 119 minutes in 1 minute increments and from 2 hours to 24 hours in 1 hour increments The default setting is 8 hours If the AMP1 8 M is in operation for the screen saver timeout period and no front panel controls have been turned or pressed the screens will dim by a certain amount If double the screen saver timeout period elapses without any front panel control act...

Page 21: ...References Scale Bottom Limit Top Limit Default Reference Default Color Bounds Default Ballistics Lower Upper Float Bar AES 72 dBFS 0 0 dBFS 0 dBFS 0 dBFS 30 dBFS 20 dBFS IEC Type I VU VU 45 dBr 3 5 dBr 20 dBFS 0 dBr 3 dBr 0 dBr VU Ext VU 56 Br 16 0 dBr 20 dBFS 0 dBr 10 dBr 0 dBr VU BBC EBU 13 25 dBr 13 0 dBr 18 dBFS 0 dBr 0 dBr 8 dBr IEC Type II Nordic 44 dBr 12 5 dBr 18 dBFS 0 dBr 10 dBr 0 dBr I...

Page 22: ...Bar or Floating Segment Not Displayed 3 Bar Pressing this button and then rotating the Adjust encoder steps through the available settings for the bar ballistics Refer to Table 3 1 in this chapter 4 Reference Pressing this button and then rotating the Adjust encoder adjusts the reference Refer to Table 3 1 in this chapter for the reference standards for each scale Note The AES scale does not allow...

Page 23: ...Segment Pressing this button and then rotating the Adjust encoder adjusts the division between the middle and lower segments You can adjust the color boundary in 1 dBr increments and it has the same range as the bottom and top limits of the meter 3 Default Pressing this button changes the settings on this menu and on the Meter Type and Reference Menu back to the factory settings for the chosen sca...

Page 24: ...ancel the factory default request by pressing any other button i Note The Factory Default action restores the entire unit to its factory condition The unit name is deleted the IP Address is set to DHCP and the Connect setting s reset to LAN 2 Set IP Address or IP Mask Pressing this button highlights the first of the four octets Turning the Adjust encoder clockwise increases the octet while turning...

Page 25: ... unit will have to restart A warning diamond will display and you will need to confirm or cancel before proceeding If the information in the IP fields is not correct the changes made in the IP fields will be ignored The IP address is valid if the screen reads DHCP Mode Enabled or Static IP Mode Enabled Important This enables a single address DHCP server Thus when a computer is connected directly b...

Page 26: ...ected SDI input 7 Balanced stereo analog outputs on XLR M optionally Volume Balance controlled or fixed line output 8 Front panel headphone jack 9 Automatic frame rate detection and selection 10 Level metering for 8 of 16 de embedded SDI channels 11 High resolution metering with 166 segments displayed 12 Level Meter Representation Simultaneous average and PPM 13 Brightness control for each screen ...

Page 27: ... kg Space Required 1 RU rack unit Supplied Accessories AC Power Cord North America Display Type TFT LCD Number of Displays 2 Screen Size 2 4 diagonal per screen Screen Resolution 320 x 240 Inputs SDI 2 3G HD SD SDI on BNC Outputs SDI 2 regenerated on BNC SDI 1 selected reclocked on BNC Analog 2 balanced channels on XLR M Level Meters 166 segments Level Meter Scales Selectable AES VU Ex VU BBC EBU ...

Page 28: ...ic Range 100 dB SDI Input Termination 75 unbalanced Hum and Noise Better than 68 dB below full output Electrical Distortion 0 05 at any level below limit threshold Audio Formats All of the audio formats listed in Table 4 2 below are available for monitoring in the AMP1 8 M Table 4 2 Audio Formats Standard Format Rate SD 29 97 25 HD 720p 23 98 24 25 29 97 30 50 59 94 60 1035i 29 97 30 1080i 25 29 9...

Page 29: ...ional Overview Figure 4 1 illustrates the overall functionality of the AMP1 8 M monitor Figure 4 1 AMP1 8 M Block Diagram Note Stereo phase indication measurement occurs in the signal chain before it is routed to the speakers ...

Page 30: ... it the green Update Menu button will appear on the right screen If the firmware files are missing this button will not appear See Figure A 1 below Figure A 1 Flash Drive Connected Screen 3 Press Update Menu Important When a new version becomes available software updates may be obtained in zip file format from the Wohler Website Download this zip file unzip it and place the AMP1 8 MProgrammingFile...

Page 31: ...to display the current versions in the unit against those on the flash drive as shown in the next figure Figure A 3 Software Update Versions Screen 6 From the Software Update Versions menu press Return to Last Menu to return to the Flash Drive Software menu shown in Figure A 4 below Figure A 4 Software Software Update Screen If the screen does not indicate that the software is up to date you can s...

Page 32: ...have selected a software installation option the system will display the Software Update screen shown in Figure A 5 below Figure A 5 Flash Drive Software Update Screen 8 Pressing Start the Update button will start the installation process which will automatically continue until its conclusion Instructions are provided on this screen to explain the process Alternatively you may press the Cancel Qui...

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