Sony Group DWM02N Digital Wireless Microphone User Manual DWM 02N

Sony Corporation Digital Wireless Microphone DWM 02N

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(Short-Term Confidential) User Manual_Operating Instructions

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2. (Short-Term Confidential) User Manual_Operating Instructions
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(Short-Term Confidential) User Manual_Operating Instructions

Digital WirelessMicrophoneOperating InstructionsDWM-02N4-585-174-01 (1)© 2015 Sony Corporation

2Table of ContentsFeatures ...................................................................... 3Parts Identification ................................................... 4Power Supply ............................................................. 5Installing the Batteries ........................................... 5Attaching the Supplied Accessories ......................... 6Replacing the Identification Ring .......................... 6Setting the Transmission Channel ........................... 7Selecting the Group/Channel ................................. 7Using the Cross Remote ............................................ 8Pairing With a Receiver ......................................... 8Using the Encrypted Transmission Function ......... 9Using Secure Key Mode (SECURE KEY) ............ 9Using Password Mode (PASSWORD) ................ 10Using a USB Keyboard ........................................... 11Basic Menu Operations .......................................... 11Setting Menus .......................................................... 12Naming of Microphone (NAME) ........................ 12Selecting the Frequency Band (BAND) .............. 12Selecting the Group/Channel (GP/CH) ............... 12Setting the RF Output Power (RF POWER) ....... 12Setting the Audio Input Level (INPUT LEVEL) ............................................................. 12Low-cut Filter Setting (LCF) ............................... 13Power Save Setting (POWER SAVE) ................. 13Setting the Battery Type (BATTERY TYPE) ..... 13Displaying the Accumulated Use Time (TIME) ............................................................... 13Setting the Encrypted Transmission Function (ENCRYPTION) ............................................... 13Setting the audio codec mode (CODEC MODE) .............................................................. 13Setting the maximum RF output power (MAX RF POWER) .......................................... 14Generating an Internal Signal (INTERNAL SG) ..................................................................... 14Locking the POWER Switch (POWER SW LOCK) ............................................................... 14Cross Remote (RF REMOTE) ............................. 14Setting the Brightness of the Display (BRIGHTNESS) ................................................ 14Automatic Dimming of the Display (DIMMER MODE) .............................................................. 15Resetting Parameters to Their Factory Settings (FACTORY PRESET) ...................................... 15Displaying the Software Version (VERSION) .... 15Block Diagram ......................................................... 16Troubleshooting ....................................................... 17Important Notes on Operation .............................. 18Notes on Using the Microphone .......................... 18On Cleaning ......................................................... 18Specifications ........................................................... 19Carrier Frequencies and Channel Steps ............... 20

4Parts IdentificationaMicrophone capsule unit (not supplied)Mount the microphone capsule unit securely.Make sure that the wireless microphone is turned off before mounting or removing the microphone capsule unit.Mounting or removing the unit while the wireless microphone is turned on may result in malfunctions.For details on mounting, refer to the operating instructions supplied with your microphone capsule unit.bGripContains operation buttons, display section, and the battery holder.Open the grip to make settings or install the batteries.For details on how to open the grip, see “Installing the Batteries” on page 5. When the grip is open, the metal part of the grip obstructs the antenna for RF transmission and wireless remote control system. To transmit the signal or to use the wireless remote control function with this microphone, be sure to close the grip.cIdentification ringThe ring can be replaced with the ones supplied.This is useful when multiple microphones are used in the system.For details on how to replace the identification ring, see “Replacing the Identification Ring” on page 6.dAntenna coverHolds the antenna for RF transmission and wireless remote control function.ePOWER indicatorLights up green when the microphone is turned on. When the battery is exhausted, the indicator starts flashing.fUSB connector (Micro USB)Use this connector to connect an optional USB keyboard to carry out menu functions using key operations. By connecting the digital wireless receiver to this connector with the supplied USB cable, you can exchange the encryption key for encrypted transmission function.g + or – buttonSelects functions or values shown on the display.Holding down the – button while switching on the microphone activates the pairing operation for the wireless remote control function.hSET buttonAdjusts displayed function settings and enters the value.Holding down the SET button while switching on the power turns the microphone on without sending a signal.iDisplay sectionARF transmission indicationIndicates the current transmission status.:Currently transmitting—:Transmission stoppedBRF (radio frequency) transmission power indicationIndicates the current transmission power setting. You can change the setting with the RF transmission power setting function.H: transmitting at 50 mWM: transmitting at 10 mWL: transmitting at 1 mWCAudio input level meterIndicates the signal input level.DReference level gaugeIndicates the reference input level. When the attenuation is 0 dB, 94 dBSPL is indicated.EPeak indicatorWarns of excessive input by lighting up when the signal is 3 dB below the level at which distortion begins.NoteNoteInside the gripFrontSideBottom of the antenna cover

7Setting the Transmission ChannelThe microphone provides groups of interference-free channels. When using multiple microphones and transmitters at the same time (simultaneous multi-channel operations) within the same area, selecting the same group and using a channel within that group can prevent signal interference.To set the transmission channel on the microphone, first you select the group and channel using the RF indicator and scanning functions on the receiver. Next you set the group and channel parameters to match the setting on the receiver.• Certain transmission channels cannot be used with the wireless remote control function.• “(INCOMPATIBLE WITH RF REMOTE)” will slide across the display during group/channel selection for transmission channels that cannot be used with the wireless remote control function.• When a transmission channel that cannot be used with the wireless remote control function is selected, “RESTRICTED BY GP/CH SETTING” appears on the RF REMOTE screen and the wireless remote control function cannot be used. When using the wireless remote control function, select transmission channels for which “(INCOMPATIBLE WITH RF REMOTE)” does not appear during group/channel selection.Selecting the Group/Channel• Before doing this procedure, use the BAND function (see page 12) to set the microphone to the bandwidth of the receiver you are using.• The setting for this function cannot be changed during actual signal transmission. Set the microphone group (GP) and channel (CH) as follows:For details on groups and channels, refer to “Sony Digital Wireless Microphone System Frequency Lists” on the supplied CD-ROM.For details on menu operation, see “Basic Menu Operations” on page 11.1Turn off the power, and then while holding down the SET button, turn the power on.The signal transmission stops.2Press the + or – button repeatedly until the GP/CH indication is displayed.3Hold down the SET button until the item to be set flashes.4Press the + or – button repeatedly to select a group.5Press the SET button to enter the group.The channel indication starts flashing.6Press the + or – button repeatedly to select a channel.7Press the SET button to enter the channel. To start signal transmission with the selected channel, turn off the power and then turn it on again.To set the group/channel using the pairing mode of the Cross RemoteWhen the microphone is paired with the receiver, the transmission channel of the microphone is set to the receiving channel on the receiver automatically.For details, see“Pairing With a Receiver” on page 8.NotesNotesNote

8Using the Cross RemoteThis microphone is equipped with a wireless remote control function that can be used to set the parameters (low-cut filter, attenuation operation, power save mode, etc.) of the microphone through the receiver or other devices. This function makes it easier to operate and manage the microphone system while in the field.This wireless control is 2.4 GHz IEEE802.15.4 compliant and has no effect on the RF band of digital wireless audio.This function is activated when pairing is established between the microphone and the receiver using the RF REMOTE function. Pairing must be done first before the wireless remote control function can be used. If “RESTRICTED BY GP/CH SETTING” appears on the RF REMOTE screen, the wireless remote control function cannot be used. To use the wireless remote control function, select a different transmission channel.For details on how to change the transmission channel, see “Setting the Transmission Channel” on page 7.Pairing With a ReceiverPairing links the microphone with the receiver which the wireless remote control function is to be used.When the microphone has been paired with a receiver through the receiver operation, turning on the microphone while holding down the – button establishes the pairing immediately.To carry out pairing through menu operations on the microphone, do the following.1Set the receiver to be used for controlling the microphone to pairing mode.For details, refer to the operating instructions supplied with the receiver.2Press the + or – button repeatedly until the RF REMOTE indication is displayed.3Hold down the SET button until the item to be set flashes.4Press the + or – button repeatedly to select PAIRING.5Press the SET button to enter.The microphone sends a pairing request to the receiver which is on pairing mode.Before established pairing, if you press any operation key on the microphone, pairing mode will be cancelled.When pairing has been established, the wireless remote control condition level (indicated by ) goes up, RF REMOTE turns on, and the remote control function becomes operative.When “Pairing fail” is displayed• Successful communication between the microphone and the receiver did not occur within a given amount of time. Perform pairing again.• Pairing has been performed with the grip open. When the internal antenna is covered with the grip, pairing may not be carried out. After setting the microphone ready for pairing in step 5 above, be sure to close the grip.To use the Cross Remote with a previous pairingIn the RF REMOTE indication, select ON. • When you set RF REMOTE to ON, the microphone will communicate with the receiver to which it was previously paired. To use the wireless remote control function with another receiver, you must perform the pairing procedure for that receiver.• Multiple microphones/transmitters cannot be paired with the same receiver.• If you reset all parameters by using the FACTORY PRESET function (see page 15), the pairing setting of the microphone is also cleared.The following microphone settings can be done from the remote control:• Microphone name setting• Frequency band/group/channel selection• RF transmission power setting• Attenuator for the audio input setting• Low-cut filter setting• Power save setting• Resetting accumulated use time• Audio codec mode setting• Internal signal setting• POWER switch lock settingFor details on menu operation, see “Setting Menus” on page 12.To perform remote control, the receiver must be equipped with a control function for the setting you want to control. For details, refer to the operating instructions supplied with the receiver.To cancel the Cross RemoteIn the RF REMOTE indication, select OFF.Notes on the Cross RemoteThe wireless remote control function on the microphone uses the 2.4-GHz band and may thus be subject to interference from other devices.NoteNotes

9• When pairing fails (“Pairing fail” is displayed), successful communication between the microphone and the receiver has not occurred within a given amount of time. Pairing may be harder to do when another receiver is engaged in pairing nearby. • When it becomes hard to use the remote control, the remote control may be improved by switching the wireless remote control function off, then on again in the RF REMOTE display, then re-pairing with the microphone (change to a channel with less interference).Using the Encrypted Transmission FunctionTo prevent hacking of the signal, the microphone scrambles the signal during transmission. To use this function, select one of the following encrypted transmission modes:Secure key mode: An encryption key that is automatically generated by the microphone is used by both the microphone and receiver in this one-to-one encrypted transmission method.Password mode: You choose a password of up to eight characters that can be set for multiple microphones/transmitters and receivers. This enables encrypted transmission within a group. Make sure the same mode is set on the microphone/transmitter and receiver.Using Secure Key Mode (SECURE KEY)Use this mode for one-to-one encrypted transmission between one microphone and one receiver.An encryption key that cannot be read from the outside is automatically generated by the microphone. This key is transmitted to the receiver through a USB connection or the RF REMOTE function, enabling encrypted transmission to take place.The encryption key used by the microphone and receiver is newly generated for each key transmission, resulting in highly secure communication.The encryption key used between the microphone and the receiver is saved when the power is turned off, so the encrypted transmission can be resumed the next time the power is turned on.1Preparing the microphone (this unit)1Hold down the SET button until the item to be set flashes in ENCRYPTION indication on the microphone.2Press the + or – button repeatedly to select SECURE KEY, and then press the SET button.2Preparing the receiverSelect SECURE KEY on the receiver that receives the encryption key.For details on receiver operations, refer to the operating instructions supplied with the receiver.3Exchanging the encryption keyOn the receiver, select USB or REMOTE (wireless remote) as the method for encryption key exchange.When the RF REMOTE function is off, REMOTE cannot be selected.Note

10 When the receiver does not support encryption key exchange through USB connection, select REMOTE.For details on the receiver, refer to the operating instructions supplied with the receiver.When you select USB: Connect the microphone to the receiver with the USB cable (not supplied) and USB adapter cable (supplied).For details on receiver operations, refer to the operating instructions supplied with the receiver.When you select REMOTE: The microphone searches for a receiver that it has been paired with. After the microphone detects the receiver, the microphone exchanges the encryption key with receiver and encrypted transmission begins.Using Password Mode (PASSWORD)Set this mode when multiple microphones/transmitters are paired with multiple receivers for encrypted transmission.If both microphones/transmitters and receivers are set with the same user-designated password, the audio signal can be decoded. This mode is useful when multiple microphones/transmitters and receivers are used as a single group, or when the audio signal from one microphone/transmitter is received by multiple receivers at the same time.1Hold down the SET button until the item to be set flashes in the ENCRYPTION indication on the microphone.2Press the + or – button repeatedly to select PASSWORD, and then press the SET button.3Input a password of up to eight characters on the microphone.To enter a password, use the procedure described in “Naming of Microphone (NAME)” on page 12.4Set the encrypted transmission function setting on the receiver to PASSWORD.5Set the same password that was set on the microphone.For details on receiver operations, refer to the operating instructions supplied with the receiver. It is recommended that you change the password periodically.NoteUSB cable (not supplied)USB adapter cable (supplied)Note

11Using a USB KeyboardConnecting an optional USB keyboard to the microphone allows you to perform menu operations and enter your name and password for the encrypted transmission function from the keyboard.A Micro USB connector is used on the microphone. For this reason, use the supplied USB adapter cable.Menu operations with a USB keyboardYou can use a USB keyboard to perform the same menu operations that you do on the microphone.The microphone buttons correspond to the following keys on a USB keyboard:To enter a textWith a USB keyboard, you can enter names and passwords for encrypted transmissions.Characters that can be entered from a USB keyboard: (space), 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, !, #, &, $, @, +, -, =, _, (, ), [, ](Passwords may consist of the numbers 0 to 9 and letters A to Z only.)Special key: Backspace (BS) and Delete (DEL) keys. • The number keys on the keyboard cannot be used.• This microphone is compatible with English-language keyboards only.• USB keyboards with multiple functions, such as USB hub and pointing device, cannot be used.• Power to the connected keyboard is supplied by the USB connector on the microphone. The power rating is 100 mA. Keyboards that consume more power than that cannot be used.• Do not leave the microphone connected to the keyboard when not in use. If you do, the batteries in the microphone will be drained more quickly.• Text editing should be done with the alphabet, BS, DEL, and Enter keys.Basic Menu Operations1Press the + or – button repeatedly until the function to be set appears.2Hold down the SET button until the item to be set flashes.3Press the + or – button to change the setting.4Press the SET button to enter the setting.Types of menu:• NAME (microphone name) setting • BAND (frequency band) selection• GP/CH (group/channel) selection• RF POWER (RF transmission power) setting• INPUT LEVEL (audio input level) setting• LCF (low-cut filter) setting• POWER SAVE setting• BATTERY TYPE (battery type) setting• TIME (accumulated use time) indication• ENCRYPTION (encrypted transmission function) setting• CODEC MODE (audio codec mode) setting• MAX RF POWER (maximum RF output power) setting• INTERNAL SG (internal signal generator) function• POWER SW LOCK (POWER switch lock) function• RF REMOTE (wireless remote control) function• BRIGHTNESS (display brightness) setting• DIMMER MODE (automatic dimming of the display) setting• FACTORY PRESET (factory setting) function• VERSION (software version) indicationButtons on the microphone USB keyboardSET ENTER+R–rNotesUSB adapter cable (supplied)Function nameItem to be set

12Setting MenusThe functions and parameters of the settings menu are explained here. Underlined items are the factory setting.Naming of Microphone (NAME)You can specify a microphone name of up to 16 characters. The factory setting for the microphone name is the model name and serial number. The microphone name is sent to the receiver as metadata and is used by the receiver to distinguish between different microphones/transmitters.+: The first press on the + button displays the character set. You can then use the + and – buttons to select the desired character. And then, pressing the SET button adds the selected character to the end of the current name.– : Deletes the last character in the current name.SET: Enters the character or edited name. You cannot insert or delete a character in the middle of the name.Using wireless remote control, this function can be controlled from the receiver and other devices.For details on wireless remote control function, see “Using the Cross Remote” on page 8.To edit with a keyboardYou can enter data from an optional keyboard connected to the USB connector.For details, see “Using a USB Keyboard” on page 11.Selecting the Frequency Band (BAND)Match the frequency range on this microphone to that of the Sony digital wireless receiver.See “Carrier Frequencies and Channel Steps” on page 20 for differences in frequency ranges that can be set for optional receivers combined with this transmitter.For details about the frequency range of each band, refer to “Sony Digital Wireless Microphone System Frequency Lists” on the supplied CD-ROM.Using wireless remote control, this function can be controlled from the receiver and other devices.For details on wireless remote control function, see “Using the Cross Remote” on page 8. • The setting for this function cannot be changed during actual signal transmission. To change the setting, turn off the microphone first. Then, while holding down the SET button, turn the power on. Then change the setting after the signal transmission has stopped.• Be sure to select the group/channel right after selecting the frequency band. To start signal transmission with the selected frequency band/group/channel, turn off the power and then turn it on again.Selecting the Group/Channel (GP/CH)See “Carrier Frequencies and Channel Steps” on page 20 for factory settings.For details, see “Selecting the Group/Channel” on page 7.Using wireless remote control, this function can be controlled from the receiver and other devices.For details on wireless remote control function, see “Using the Cross Remote” on page 8.Setting the RF Output Power (RF POWER)You can set the RF output power.1 mW (LOW): transmitted by 1 mW10 mW (MID): transmitted by 10 mW50 mW (HIGH): transmitted by 50 mW • The setting for this function cannot be changed during actual signal transmission. To change the setting, turn off the microphone first. Then, while holding down the SET button, turn the power on. And then, change the setting after the signal transmission has stopped.• To start signal transmission with the selected RF output power setting, turn off the power and then turn it on again.Using wireless remote control, this function can be controlled from the receiver and other devices.For details on wireless remote control function, see “Using the Cross Remote” on page 8.The maximum RF output power can be configured on the unit.For details, see “Setting the maximum RF output power (MAX RF POWER)” on page 14.Setting the Audio Input Level (INPUT LEVEL) You can set the input level to the analog head amp.Press the + or – button repeatedly to select the appropriate attenuation level.The reference levels for the various settings are as follows:NoteNotesNotes

13Using wireless remote control, this function can be controlled from the receiver and other devices.For details on wireless remote control function, see “Using the Cross Remote” on page 8.Low-cut Filter Setting (LCF)The frequency of the low-cut filter can be set.OFF: Turns off the low-cut filter.20 30 40 50 60 70 80 90 100120 140 160 180 200 220 (Hz): Low-cut filter is set according to the selected frequency.Using wireless remote control, this function can be controlled from the receiver and other devices.For details on wireless remote control function, see “Using the Cross Remote” on page 8.Power Save Setting (POWER SAVE)To conserve power, this setting allows you to put all microphone functions to sleep.ACTIVE: The microphone operates normally.SLEEP: The sleep function is on. During sleep, the POWER indicator flashes at 2-second intervals.To change back to normal operationDuring sleep, press the SET, +, or – button.You can also use the wireless remote control to change the receiver back to normal operation.For details on wireless remote control function, see “Using the Cross Remote” on page 8. If the microphone is turned off while power save setting is set to “SLEEP”, the setting will change to “ACTIVE” automatically.Setting the Battery Type (BATTERY TYPE)Set this item according to the type of batteries you use to obtain accurate battery power status indication.TYPE1: The power status is indicated based on characteristics of new LR6 (size AA) Sony Alkaline batteries. Select this for LR6 (size AA) alkaline batteries.TYPE2: Select this for rechargeable nickel-metal-hydride batteries.TYPE3: Select this for lithium batteries. The characteristics of batteries change according to battery type and environmental conditions. It is recommended that you learn the characteristics of batteries you use before using them.Displaying the Accumulated Use Time (TIME)You can display the accumulated battery use time as a rough estimate of total microphone usage.The factory setting is “00:00”.To reset the accumulated time indication1Hold down the SET button until the time indication flashes.2Press the – button so “00:00 RESET” appears, and then press the SET button.Using wireless remote control, this function can be controlled from the receiver and other devices.For details on wireless remote control function, see “Using the Cross Remote” on page 8.Setting the Encrypted Transmission Function (ENCRYPTION)You can set the encrypted transmission function.SECURE KEY: Sets the secure key method.PASSWORD: Sets the password method.OFF: The encrypted transmission function is not used.For details, see “Using the Encrypted Transmission Function” on page 9.Setting the audio codec mode (CODEC MODE)MODE1: This audio codec mode is compatible with the first generation DWX series.Input Attenuation (dB)Reference input level (dBu)Maximum input level (dBu)Headroom (dB)MIC 0 –52 –16 363 –49 –136 –46 –109 –43 –73 dB steps 3 dB steps 3 dB steps45 –7 +248 –4 +5NoteNote

14MODE2: Delay times are reduced in this audio codec mode. Audio quality is also improved when compared to MODE1. We recommend using this mode under normal circumstances.MODE3: This audio codec mode prioritizes stable transmission performance. Additional signal processing is used to suppress noise and audio interruptions caused by unexpected interference, resulting in more reliable transmission.The audio delay durations that occur when transmitting and receiving with each mode will differ depending on the receiver’s operating environment.For details, refer to the operating instructions supplied with the receiver.The audio codec mode setting can be configured via the wireless remote control function from the the receiver, for example.For details, see “Using the Cross Remote” on page 8.Setting the maximum RF output power (MAX RF POWER)You can set the maximum RF output power of the unit.1mW MAX: Sets the maximum to 1 mW.10mW MAX: Sets the maximum to 10 mW.50mW MAX: Sets the maximum to 50 mW. • The setting for this function cannot be changed during actual signal transmission. To change the setting, turn off the transmitter first. Then, while holding down the SET button, turn the power on. And then, change the setting after the signal transmission has stopped.• To start signal transmission with the selected RF output power setting, turn off the power and then turn it on again.• Always perform pairing after changing the maximum RF output power setting for a transmitter. If you fail to do so, configuration of RF output power settings via the wireless remote control function may become impossible.For details on pairing, see “Using the Cross Remote” on page 8.Generating an Internal Signal (INTERNAL SG)This microphone generates a 1-kHz reference level sine wave that can be used to adjust or check the audio level of the receiver or the system that you are using. This internal signal is outside the control of the attenuator.1kHz: A 1-kHz internal signal is generated.OFF: An internal signal is not generated. If the microphone is turned off while the reference signal function is on, the function will turn off automatically.Using wireless remote control, this function can be controlled from the receiver and other devices.For details on wireless remote control function, see “Using the Cross Remote” on page 8.Locking the POWER Switch (POWER SW LOCK)The POWER switch can be locked to prevent the microphone from being accidentally turned off or on.Even when the POWER switch is locked, all parts of the microphone other than the POWER switch remain functional.UNLOCK: The POWER switch is not locked.LOCK: The POWER switch is locked.When LOCK is selected, the POWER switch lock icon appears in the display.Using wireless remote control, this function can be controlled from the receiver and other devices.For details on wireless remote control function, see “Using the Cross Remote” on page 8.Cross Remote (RF REMOTE)This function must be set to allow the wireless remote control function to be used between the microphone and receiver.OFF: Stops the wireless remote control function.ON: Starts the wireless remote control function with the previously paired receiver.PAIRING: Executes a new pairing.For details, see “Pairing With a Receiver” on page 8. If “RESTRICTED BY GP/CH SETTING” appears on the RF REMOTE screen, the wireless remote control function cannot be used. To use the wireless remote control function, select a different transmission channel.For details on how to change the transmission channel, see “Setting the Transmission Channel” on page 7.Setting the Brightness of the Display (BRIGHTNESS)Ten levels of brightness can be selected for the organic light-emitting diode display.The selectable settings are the following:(Dark) 1 2 3 4 5 6 7 8 9 10 (Bright)NotesNoteNote

15Automatic Dimming of the Display (DIMMER MODE)The organic light-emitting diode display can be set to dim or turn off after a certain amount of time.AUTO OFF: The display turns off after 30 seconds. The display goes on again when you press the SET, +, or – button.AUTO DIMMER: The display dims after 30 seconds. The display becomes bright again when you press the SET, +, or – button.ALWAYS ON: The display stays on at the brightness level set with the BRIGHTNESS function.Resetting Parameters to Their Factory Settings (FACTORY PRESET)All parameter settings can be returned to their factory settings.Holding down the SET button until a message appears asking for confirmation. Press the + or – button repeatedly to select YES, and then press the SET button to enter. The microphone parameters are reset to their factory settings. • The setting for this function cannot be changed during actual signal transmission. To change the setting, turn off the power first. Then while holding down the SET button, turn the power on. Then change the setting after the signal transmission has stopped.• To start signal transmission with the factory parameter settings, turn off the power and then turn it on again.Displaying the Software Version (VERSION)The version of the microphone software can be displayed.Notes

16Block DiagramAttenuatorHead amp.A/D converterInternal SGAudio codec modulatorHigh-frequency circuitLow-cut filterDigital signal processorMicrophone capsule

17TroubleshootingIf you encounter a problem using this microphone, use the following checklist to find a solution. For any problems with the receiver, refer to the operating instructions supplied with the receiver. If the problem persists, consult your Sony dealer.Symptom Meanings RemedyThe microphone does not turn on.The batteries are inserted backwards in the battery compartment.Reinsert the batteries with the correct orientation (see page 5).The batteries are exhausted. Replace the batteries with new ones.The batteries drain quickly.Manganese batteries are being used. Use alkaline batteries.The microphone is being used under cold conditions.The batteries drain quickly under cold conditions.Interruptions in the reception occurs.The microphone is too far from the receiver. Decrease the distance to the receiver and check the reception. The transmission power setting is set to “L: 1mW”.Increase the transmission power (see page 12).There is no sound. The channel setting on the microphone is different from that on the receiver.Use the same channel setting on both the microphone and receiver.The setting of the encrypted transmission function on the receiver is different from that on the microphone.Confirm that the setting of the encrypted transmission function is the same on both the microphone and the receiver (see page 9).The audio codec mode settings on the receiver and transmitter do not match.Configure the same audio codec mode setting for both the receiver and transmitter (see page 13).The sound is weak. The attenuator is set too high for the audio input level of the microphone.While monitoring the audio input level meter on the microphone or the receiver, set the attenuator to an appropriate level (see page 12).There is distortion in the sound. The attenuator is set too low for the audio input level of the microphone.The bass is weak. The frequency of the low-cut filter is set too high.While monitoring the sound, decrease the low-cut filter frequency to a level that produces the proper sound quality (see page 13).There is too much bass. The microphone produces excessive bass because the frequency response of the microphone extends into the low range.Use the low-cut filter to cut the bass (see page 13).The power does not turn off even though the POWER switch is turned to OFF.The POWER switch is locked. Turn off the POWER SW LOCK function (see page 14).Wireless remote control is not possible.Pairing has not been established between the microphone and receiver.Carry out pairing (see page 8).The receiver is too far from the microphone for communication to occur.Check the wireless remote control condition level. If it is low, decrease the distance between the microphone and the receiver (see page 5).The microphone that was paired with the receiver has been paired with another receiver.On the receiver, carry out pairing again with the microphone that you want to control.The USB keyboard does not work.You are using a USB keyboard that is not compatible with the microphone.Check the conditions for using a USB keyboard with the microphone (see page 11).The display is too dark. The display brightness is set to low. Adjust the brightness of the display (see page 14).

18Important Notes on OperationNotes on Using the Microphone• The digital wireless microphone system product must be used within a temperature range of 0 °C to 50 °C (32 °F to 122 °F).• Operating the microphone near electrical equipment (motors, transformers, or dimmers) may cause it to be affected by electromagnetic induction. Keep the microphone as far from such equipment as possible.• The presence of the lighting equipment may produce electrical interference over the entire frequency range. Position the microphone so that interference is minimized.• To avoid degradation of the signal-to-noise ratio, do not use the microphone in noisy places or in locations subject to vibration, such as the following:- near electrical equipment, such as motors, transformers or dimmers- near air conditioning equipment or places subject to direct air flow from an air conditioner- near public address loudspeakers- where adjacent equipment might knock against the tunerKeep the microphone as far from such equipment as possible or use buffering material.On Cleaning• If the microphone is used in a very humid or dusty place or in a place subject to an active gas, clean its surface as well as the connectors with a dry, soft cloth soon after use. Lengthy use of the microphone in such places or not cleaning it after its use in such places may shorten its life.• Clean the surface and the connectors of the microphone with a dry, soft cloth. Never use thinner, benzene, alcohol or any other chemicals, since these may mar the finish.Notes on Simultaneous Multi-Channel Operation• Keep the microphone at least 30 cm (11 7/8 inches) away from another transmitter/microphone.When the distances between transmitters and microphones need to be closer than the distances above, use a grouping system for multi-channel systems that include both digital wireless and analog wireless devices.For details, refer to “Sony Digital Wireless Microphone System Frequency Lists” on the supplied CD-ROM.• When only digital wireless microphones are being used, keep the microphone at least 4 m (13 feet) away from the antenna of a receiver for up to 10 channels, and at least 6 m (20 feet) away for 11 or more channels.• When a mixture of digital and analog wireless microphones/transmitters is being used, keep the microphone at least 6 m (20 feet) away from the antenna of a receiver.• This system should be kept at least 100 m (328 feet) away from any analog wireless systems using the same frequency when both are being used in a wide area with no walls or obstructions.• If you experience noise, increase the distance between the microphone and receiver or decrease the transmission power on the microphone.To prevent electromagnetic interference from portable communication devicesThe use of portable telephones and other communication devices near the DWM-02N may result in malfunction and interference with audio signals. It is recommended that portable communication devices near the DWM-02N be turned off.

19SpecificationsTransmitting sectionOscillator type Crystal-controlled PLL synthesizerRF power output1 mW/10 mW/50 mW (e.r.p) selectableAntenna type Helical antennaOccupied RF bandwidth192 kHz or lessAudio delay MODE1: 1.5 msMODE2: 1.0 msMODE3: 2.1 msAllowable deviation of transmission frequency±6.5 ppmType of emissionG1E or G1DModulation methodπ/4 Shift QPSKAudio sectionMaximum input level–16 dBu (with 0 dB attenuator)Audio attenuator adjustment range (pad) 0 to 48 dB (3 dB steps)Input impedance4.7 kΩ or more Frequency response20 Hz to 22 kHzGeneralOperating voltage3 V DC, with two LR6 (AA) alkaline batteriesBattery life Continuous operating time 5 hours (at 25 °C (77 °F), 10-mW output using Sony LR6 (AA)-size alkaline batteries with the CODEC MODE set to MODE1 and the wireless remote control function off and DIMMER MODE set to AUTO OFF, and with the CU-C31 Sony capsule unit mounted)Operating temperature0 °C to 50 °C (32 °F to 122 °F)Storage temperature–20°C to +60°C (–4°F to +140°F)Wireless remote control2.4-GHz IEEE802.15.4 compliantDimensions (unit: mm (inches))Mass approx. 235 g (8 oz)including batteriesSupplied accessoriesIdentification ring (1 set)Microphone holder (1)USB adapter cable (1)Carrying case (1)Stand adaptor (1)For the model available in the U.S.A.: PF1/2 to W5/8 typeFor the model available in Europe.: PF1/2 to W3/8 typeBefore Using this Unit (3)CD-ROM (1)Design and specifications are subject to change without notice.Notes• Always verify that the unit is operating properly before use. SONY WILL NOT BE LIABLE FOR DAMAGES OF ANY KIND INCLUDING, BUT NOT LIMITED TO, COMPENSATION OR REIMBURSEMENT ON ACCOUNT OF THE LOSS OF PRESENT OR PROSPECTIVE PROFITS DUE TO FAILURE OF THIS UNIT, EITHER DURING THE WARRANTY PERIOD OR AFTER EXPIRATION OF THE WARRANTY, OR FOR ANY OTHER REASON WHATSOEVER.• SONY WILL NOT BE LIABLE FOR CLAIMS OF ANY KIND MADE BY USERS OF THIS UNIT OR MADE BY THIRD PARTIES.• SONY WILL NOT BE LIABLE FOR THE TERMINATION OR DISCONTINUATION OF ANY SERVICES RELATED TO THIS UNIT THAT MAY RESULT DUE TO CIRCUMSTANCES OF ANY KIND.ø37.1 (1 1/2)194 (7 3/4)

20Carrier Frequencies and Channel StepsUnderlined items are the factory setting.US modelsChannel step: 25 kHzEuropean modelsChannel step: 25 kHzModel No. Frequency band Frequency Group/channel (factory setting)U14 (TV14-25)TV14-17 470.125 - 493.875 MHz00 1801 494.125 MHzTV18-21 494.125 - 517.875 MHzTV22-25 518.125 - 541.875 MHzU30 (TV30-41)TV30-33 566.125 - 589.875 MHz00 3001 566.125 MHzTV34-36 590.125 - 607.875 MHzTV37 Not availableTV38-41 614.125 - 637.875 MHzU42 (TV42-51)TV42-45 638.125 - 661.875 MHz00 4201 638.125 MHzTV46-49 662.125 - 685.875 MHzTV50-51 686.125 - 697.875 MHzModel No. Frequency band Frequency Group/channel (factory setting)CE21 (TV21-29)TV21-23 470.025 - 494.000 MHz00 2101 470.125 MHzTV24-26 494.025 - 518.000 MHzTV27-29 518.025 - 542.000 MHzCE33 (TV33-40)TV33-35 566.025 - 590.000 MHz00 3301 566.125 MHzTV36-37 590.025 - 606.000 MHzTV38-40 606.025 - 630.000 MHzCE42 (TV42-50)TV42-44 638.025 - 662.000 MHz00 4201 638.125 MHzTV45-47 662.025 - 686.000 MHzTV48-50 686.025 - 710.000 MHz

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