Lectronics DCHT Instruction Manual Download Page 13

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Digital Transmitter

Rio Rancho, NM

Key Menu

Encryption Key Management
KeyType

The DCHT has four options for encryption keys:

•

Universal:

This is the most convenient encryption

option available. All encryption-capable Lectroson-

ics transmitters and receivers contain the Universal

Key. The key does not have to be generated by

the DCHT. Simply set a Lectrosonics encryption-

capable receiver and the DCHT to Universal, and

the encryption is in place. This allows for convenient

encryption amongst multiple transmitters and re-

ceivers, but not as secure as creating a unique key.

NOTE: When the DCHT is set to Universal

Encryption Key, Make Key, Wipe Key and Share

Key will not appear in the menu.

•

Shared:

There are an unlimited number of shared

keys available. Once generated by the DCHT and

transferred to an encryption capable receiver, the

encryption key is available to be shared (synced) by

the receiver with other encryption capable transmit-

ters/receivers via the IR port.

•

Standard:

Standard Keys are unique to the DCHT.

The transmitter generates the Standard Key. The

DCHT is the sole source of the Standard Key, and

because of this, the DCHT may not receive (get)

any Standard Keys.

•

Volatile:

This one-time only key is the highest level

of encryption security. The Volatile Key exists only

as long as the power in both the DCHT Transmitter

and an encryption capable receiver remains on dur-

ing a single session. If the receiver is powered off,

but the DCHT has remained turned on, the Volatile

Key must be sent to the receiver again. If the power

is turned off on the DCHT, the entire session con-

cludes and a new Volatile Key must be generated

by the transmitter and sent to the receiver via the IR

port.

MakeKey

When the transmitter key type is set to Volatile, Stan-

dard or Shared, use this menu item to create a key that

can be synced with an encryption capable receiver.

WipeKey

This menu item is only available if there is a Key Type

currently on the DCHT that can be deleted. Select Yes

to wipe the current key and enable the DCHT to create

a new key.

Key...

KeyType

MakeKey

WipeKey

WipeKey?

No
Yes

SendKey

This menu item is only available if Key Type is set to

Volatile, Standard or Shared, and a new key has been

created. Press Menu/Sel to sync the Encryption key to

another transmitter or receiver via the IR port.

Key...

MakeKey

WipeKey

SendKey

Send

Setup Menu

Selecting AutoOn Feature

If external power or batteries fail while the unit is

transmitting, the unit will automatically turn back on

after power is restored or fresh batteries are installed.

This function is enabled by selecting

Yes

in the menu

options.

Setup...

AutoOn?

ProgSw

Remote

AutoOn?

No
Yes

NOTE: AutoOn does not work when the transmitter

is in the

Standby

mode.

Selecting Programmable Switch Functions

The programmable switch on the top panel can be con-

figured using the menu to provide several functions:

•

(none) -

disables the switch

•

Mute

- mutes the audio when switched on; LCD will

blink a message and -10 LED will glow solid red

•

Power

- turns the power on and off

•

TalkBk

- redirects the audio to a different output

channel on the receiver (only available in DCH(X)

compatibility mode)

ProgSw

Mute

Press the

and

arrow buttons to select

the desired function or

disable the switch

Setup...

AutoOn?

ProgSw

Remote

NOTE: The programmable switch will continue

to operate whether or not keypad changes are

locked.

Summary of Contents for DCHT

Page 1: ...r see page 11 3 Connect signal source select input type and adjust input gain for optimum modulation level see page 10 4 Set or sync frequency to match receiver see page 11 12 Also see receiver manual for scanning pro cedure 5 Set encryption key type and sync with receiver see page 13 6 Set programmable switch to desired function see page 13 7 Verify RF and audio signals are present at the receive...

Page 2: ...e 10 Selecting Input Type 10 Selecting Input Configuration 10 Xmit Menu 11 Selecting Frequency 11 Selecting Transmitter Output Power 11 Selecting Receiver Compatibility Mode 11 Turning Rf On Off 11 Selecting M2R Receiver Functions 12 GetFrq 12 SendFrq 12 GetAll 12 SendAll 12 Name 12 Flex 12 Key Menu 13 Encryption Key Management 13 KeyType 13 MakeKey 13 WipeKey 13 SendKey 13 Setup Menu 13 Selecting...

Page 3: ...Notice This device operates on a no protection no interference basis Should the user seek to obtain protection from other radio services operating in the same TV bands a radio licence is required For further details consult Innovation Science and Economic Development Canada s document Client Procedures Circular CPC 2 1 28 Voluntary Licensing of Licence Exempt_Low Power Radio Apparatus in the TV ba...

Page 4: ...e cut and fully assembled Each antenna covers three blocks Refer to the chart below to determine which an tenna matches the operating frequency you will be using Frequency Cap Block Range MHz Color Antenna 470 470 100 495 600 Black AMM19 19 486 400 511 900 Black AMM19 20 512 000 537 500 Black AMM19 21 537 600 563 100 Red AMM22 22 563 200 588 700 Red AMM22 23 588 800 607 950 Red AMM22 USB Port Opti...

Page 5: ...the housing An optional spring loaded hinged belt clip model num ber BCSLEBN is also available This clip is attached by removing the plastic hole cap on the back of the hous ing and mounting the clip with the supplied screw IR infrared Port The IR port is available on the top of the transmitter for quick setup using a receiver with this function available IR Sync will transfer the settings for fre...

Page 6: ...al Amplifier Control PLL Ref Phase Locked Loop DSP Clock Switching Power Supply Microprocessor Power LED Tricolor D A Converter I Q Baseband Signals Low pass filters IQ Modulator UART USB Jack Firmware Update Status Ready Low Pass Filter Buffer 36 864 MHz IR Port I2S A D Converter Shunt Limiter Limiter Control Gain Adj HI Lo Pass Filter Input Preamp Bias Voltage 0 2 or 3 6V Servo Bias Supply Audio...

Page 7: ...rn to the same screen or menu that was displayed previously NOTE If the programmable switch is in the OFF position power can still be turned on with the power button Main Menu and Setup Screen Details Entering the Main Menu The LCD and keypad interface makes it easy to browse the menus and make the selections for the setup you need When the unit is powered up in either the oper ating or the standb...

Page 8: ...2 SEL BACK SEL BACK GetAll SendAll GetAll Sync Press UP arrow button to begin sync SendAll Sync Press UP arrow button to begin sync GetFrq SEL BACK M2R SEL BACK GetFreq Sync Press UP arrow button to begin sync SEL BACK SendFrq SendFreq Sync Press UP arrow button to begin sync SEL BACK TxPower Select option with arrow buttons 10 mW 25 mW 50 mW SEL BACK Compat Duet DCH X Select option with arrow but...

Page 9: ...lt Settings No Yes Select option with arrow buttons LEDs On Off SEL BACK About About SEL BACK About DCHT v1 10 1 10 SEL BACK Key KeyType SEL BACK KeyType Shared SEL BACK MakeKey WipeKey SEL BACK WipeKey SEL BACK SendKey SendKey Sync Press UP arrow button to begin sync No Yes MakeKey No Yes Select option with arrow buttons Select option with arrow buttons Select option with arrow buttons Shared Sta...

Page 10: ... peaks 5 Turn the recorder or sound system gain down be fore setting the transmitter to the normal operating mode and enabling the audio output 6 If the audio output level of the receiver is too high or low use only the controls on the receiver to make adjustments Always leave the transmitter gain ad justment set according to these instructions and do not change it to adjust the audio output level...

Page 11: ...screen for frequency selection offers multiple ways to browse the available frequencies Xmit Freq TxPower Compat Freq 494 500 Freq 494 500 Press the MENU SEL button to select each field Use the and arrow buttons to adjust the frequency Each field will step through the available frequencies in a different increment NOTE When the frequency is highlighted hold down the MENU SEL button to increase or ...

Page 12: ...E01 SendAll Sync to send all available settings to the M2R transmit ter via the IR port including the performer s name or whatever name the user chooses for the DCHT DCHT E01 frequency mixer settings and limiter settings NOTE The SendAll function is designed for trouble shooting and allows for settings to be cloned to transfer to another receiver if there is a problem to be identified Not all sett...

Page 13: ...sion con cludes and a new Volatile Key must be generated by the transmitter and sent to the receiver via the IR port MakeKey When the transmitter key type is set to Volatile Stan dard or Shared use this menu item to create a key that can be synced with an encryption capable receiver WipeKey This menu item is only available if there is a Key Type currently on the DCHT that can be deleted Select Yes...

Page 14: ...s the operating time on each charge and stop working abruptly so you will have little or no warning as they reach the end of operation Locking Unlocking Changes to Settings Changes to the settings can be locked to prevent inad vertent changes being made Locked Yes No 40 20 0 Gain 25 A small padlock symbol will appear on adjustment screens when changes have been locked Setup BatType Locked Backlit ...

Page 15: ...uency Stability 0 002 Spurious Radiation DCHT Compliant ETSI EN 300 422 1 v1 4 2 DCHT E01 Compliant ETSI EN 300 422 1 v2 1 2 Digital Modulation 8PSK Encryption AES 256 CTR per FIPS 197 and FIPS 140 2 Equivalent Input Noise 128 dBV Input Types Analog mic and line level AES digital Input Level analog Mic Nominal 2 mV to 300 mV before limiting Greater than 1V maximum with limiting Line 24 dBu before ...

Page 16: ...male nickel plated Lectrosonics P N 21932 NOTICE Any microphone wired using pin 2 for elec tret bias will NOT work with the DCHT DCHT E01 and MCTA6TA5M2 adapter For example see figures 1 and 2 below for servobias inputs that will not operate properly 1 2 3 4 5 PIN SHIELD AUDIO 1 2 3 4 5 TA5F PLUG 2 7 k 2 VOLT NEGATIVE BIAS 2 WIRE ELECTRET Compatible wiring for microphones such as negative bias TRA...

Page 17: ...amp can be crimped to contact both the mic cable shield and the insulation The shield contact reduces noise with some microphones and the insulation clamp increases ruggedness Shield Insulation Crimp these fingers to contact the shield Crimp these fingers to clamp the insulation Mic Cable Stripping Instructions 0 15 0 3 1 2 3 4 5 6 VIEWED FROM OUTSIDE TA6F Connector Assembly ...

Page 18: ...ple App Store DCHTRemote s remote control mechanism is the use of an audio sequence of tones dweedles that are inter preted by the transmitter as a configuration change The settings available in DCHTRemote are Audio Level Gain Frequency Sleep Mode Lock Mode Output Power Low Frequency Roll off LED on off Activation For the DCHT to respond to remote control audio tones the transmitter must The trans...

Page 19: ...omplies with ISED Canada radiation exposure limits as set forth for an uncontrolled environment Cet appareil est conforme avec les normes d Industrie Canada concernant les limites d exposition aux radiations pour un environnement incontrôlé This radio transmitter IC 8024A DCHT DCHT E01 has been approved by Innovation Science and Economic Development Canada to operate with the antenna types listed ...

Page 20: ...se cable with TA6FLX 6 pin female on one end and stripped and tinned wires on the other end with two separate cables Wired for connec tion to microphone level signals 18 inch length MCTA6TA3F2 Line level signals from two TA3 M out puts 18 inch length MCTA6TA5M2 Microphone and line level signals from microphones and other devices configured with TA5F connectors for Lectrosonics wireless transmitter...

Page 21: ...andby Mode No Sound Or Low Sound Level Receiver 1 Receiver output level set too low Indicates Proper Audio Modulation 2 Receiver output is disconnected cable is defective or miswired 3 Camera Recorder Mixer input is turned down Distorted Sound 1 Transmitter gain audio level is too high Check Modulation LEDs on transmitter and receiver while distortion is being heard 2 Receiver output level may be ...

Page 22: ...for Repair For timely service please follow the steps below A DO NOT return equipment to the factory for repair without first contacting us by email or by phone We need to know the nature of the problem the model number and the serial number of the equipment We also need a phone number where you can be reached 8 A M to 4 P M U S Mountain Standard Time B After receiving your request we will issue y...

Page 23: ...Digital Transmitter Rio Rancho NM 23 ...

Page 24: ...rosonics Inc will pay for the cost of returning your equipment to you This warranty applies only to items returned to Lectrosonics Inc or an authorized dealer shipping costs prepaid within one year from the date of purchase This Limited Warranty is governed by the laws of the State of New Mexico It states the entire liablility of Lectrosonics Inc and the entire remedy of the purchaser for any brea...

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