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Sekonic 401-858BR, Operating Manual

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21

 2.  About broncolor Radio System 

●

 

7. 

Press the Measuring Button 

6

.

The measured value (F-stop) will be displayed. Press the Measuring Button 

6

 

again to fire all flashes in the same Studio Address and measure until the desired 

F-stop is displayed.
The accumulated measured value (F-stop) and the cumulative count will be 

displayed.

If you want to adjust the output power of each flash separately, go to Flash Power 

Control Screen to make a measurement and adjustment. 
In the Flash Power 

Control Screen, the Multi (cumulative) flash measurement is not 

available. (

 

P14)

NOTICE

 

● In case of the following, please follow “Cord Multi (Cumu.) Flash Mode” ( 

 ).

• 

When firing the flash, if the flash brightness is lower than the ambient light, the meter 

may fail to detect the light.

• 

Rapid start fluorescent lamps and special lighting are sometimes mistaken for flash 

and accidentally measured.

• 

Even if the flash does not fire, when a sudden light change occurs in the light receptor, 

measurement may be made.

• 

The waveform of a flash bulb has a slight slope and there is a possibility that the light 

meter cannot recognize the flash bulb.

 

● The EV scale cannot be displayed in the Radio Triggering Multi (Cumu.) Flash mode.

NOTE

 

● With broncolor radio system, individual flash triggering is not available for each Lamp 

Address. All flashes in the same Studio Address will fire even if a particular Lamp 

Address is selected. For measuring the flash individually, turn off the power of flash units 

not in use. Or use the retracted lumisphere of L-858D to measure the light in front while 

all flashes fire.

 

● For red-eye prevention and auto-flash light adjustment, some devices can pre-flash 

before main flash burst. With the normal setting, the light meter will measure the pre-

flash bursts and not the main flash burst. To take a successful reading, activate the pre-

flash feature in the Tool Box. Please refer to the L-858D Operating Manual.

 

●

For radio frequencies, refer to “5. Radio Studio Address Frequencies”. (

 P36

)

[Measuring Screen]

Measured Value 

(F-stop)

Cumulative Count

Summary of Contents for 401-858BR

Page 1: ... for broncolor operation Please read the Operating Manual and Safety Precaution so that you will fully understand the features and operation of this product Keep the operating manual in a safe place for future use RT BR Operating Manual ...

Page 2: ...or related functions Reading these is recommended The arrow indicates reference pages WARNING Please refrain from opening the product packaging with wet hands or in a dusty environment as this may cause damage to the product Keep the materials used in this product out of the reach of children to prevent accidental ingestion and misuse CAUTION To avoid damage from static electricity remove the stat...

Page 3: ... be generated the gases may affect the product and may result in damage Please be careful when using the product in these types of locations Reproduction of all or any part of this document without permission is strictly forbidden The contents of this manual may be subject to change for the product s specification modifications and other reasons without prior notice The screens in this operating m...

Page 4: ...your computer to the L 858D using a USB cable micro B type available commercially Intended Use This product can be used in the following situations Radio wave based flash light triggering or output power control Radio wave based modeling lamp ON OFF Intended Users The intended users of this product are those who are engaged in shooting or related businesses such as photographers who use the flash ...

Page 5: ...st the measured values for the desired lighting ratio Turn on all light sources to measure the final exposure and point the lumisphere extended lumisphere at the camera from the position of subject P14 P27 Note that this transmitter of RT BR only supports the broncolor radio system Manufacturer Radio Studio Lamp Function broncolor Radio Studio Address 1 to 99 Lamp Address 1 to 40 ALL Flash light t...

Page 6: ...uct is not in use for a long period of time When the desired performance is not achieved stop using this product and contact the service center Information for Users on Collection and Disposal of Old Equipment To protect environment do not through this device and batteries away with the normal household waste at the end of those life but bring them in at an official collection point of your countr...

Page 7: ... Flash Power Control 14 3 How to use Modeling Lamp ON OFF 18 2 3 2 Radio Triggering Multiple Cumulative Flash Mode 19 1 How to use Flash Triggering 19 2 Multi Clear 22 2 3 3 Flash Duration Analysis Radio Triggering Mode 23 1 How to use Flash Triggering 23 2 How to use Flash Power Control 27 3 Flash Duration Analysis t Value 31 Table of Contents Safety Precautions i Terms and Trademarks i List of A...

Page 8: ...vii 3 Product Information 33 4 Regulation 35 5 Radio Studio Address Frequencies 36 6 Specifications 37 7 Legal Requirements 38 8 Troubleshooting 39 9 After sales Services 40 ...

Page 9: ...ctricity from your body by touching metal objects located nearby e g door knob aluminum sash before touching the radio transmitting module The numbering below refers to the L 858D Operating Manual 1 Turn OFF the meter 2 Unlatch e and remove the Battery Cover d 3 Remove the Transmitter Connector Cover i 4 Align the connector pins with those of the Transmitter Module Compartment h and insert the Tra...

Page 10: ...se 5 Insert the Battery Cover d tabs three into the receiving holes in the meter body press the Battery Cover d down and close the Battery Cover Latch e Battery Cover d Tabs three Transmitter Battery Cover Latch e ...

Page 11: ...ggering depends on several factors Please read these setup steps before using the L 858D to radio trigger flash units 1 It is the best to position the meter in sight of the radio receiver or flash head 2 Position the radio receiver so that it is away from large metallic objects concrete or containers of water like people 3 Sometimes conditions do not allow radio reception These could include stron...

Page 12: ...Screen P11 P19 P23 2 Touch the Tool Box Icon on the Measuring Screen The Tool Box Screen is displayed 3 Touch the Next Page Icon of the Tool Box to display the Tool Box showing Radio Studio Lamp 4 Touch Radio Studio Lamp Button The Radio Studio Lamp Screen is displayed Measuring Screen Tool Box Screen Page 1 Tool Box Screen Page 2 When the Multiple Cumu Flash mode is selected the displayed informa...

Page 13: ...is displayed in gray Select the desired Lamp by touching a Lamp Address Button default setting 1 to 6 NOTE Depending on the broncolor products the number of Studio Radio Studio Address or the description of Lamp Lamp Address could be different Please check the setting of your receiver flash Radio Studio Lamp Screen OK Button Cancel Button Radio Studio Address ALL Button Radio Studio Lamp Screen OK...

Page 14: ...d even if touching ALL button twice 8 Touch OK Button The setting is entered and the display returns to the Radio Studio Lamp Screen Touch the Cancel Button to return to the Radio Studio Lamp Screen without making the modification Set Lamp Address Screen Keypad Set Lamp Address Screen OK Button Cancel Button The entered number is displayed The selected Lamp Address is displayed Radio Studio Lamp S...

Page 15: ...ring Screen without making the modification NOTE The last selected Lamp Address in Radio Studio Lamp Screen is activated in Measuring Screen It is also possible to select a Lamp Address from the Flash Power Control Screen P8 For touch slide operations refer to the Operating Manual of the light meter For radio frequencies refer to 5 Radio Studio Address Frequencies P36 ...

Page 16: ...d Lamp Address by touching a Lamp Address Button default setting 1 to 6 NOTE Depending on the broncolor products the number of Studio Radio Studio Address or the description of Lamp Lamp Address could be different Please check the setting of your receiver flash 2 2 2 Setting in Measuring Screen Lamp Address Setting Only Measuring Screen Flash Power Control Screen Flash Power Control Icon ALL Butto...

Page 17: ...ch OK Button The setting is entered and the display returns to the Flash Power Control Screen Touch the Cancel Button to return to the Flash Power Control Setting Screen without making the modification 5 Touch the Radio Triggering Flash Mode Icon The display returns to the Measuring Screen Flash Power Control Screen Measuring Screen Measuring Mode Icon Radio Studio Lamp Address Set Lamp Address Sc...

Page 18: ...dio Studio Lamp Screen is activated in Measuring Screen Studio Address can be set only in Radio Studio Lamp Setting in Tool Box P4 For touch slide operations refer to the Operating Manual of the light meter For radio frequencies refer to 5 Radio Studio Address Frequencies P36 ...

Page 19: ...radio receiver connected to flash F stop value is displayed for input ISO sensitivity and shutter speed Depending on the radio system in use the meter controls the output power of flash units and turn the modeling lamps ON OFF Operation 1 How to use Flash Triggering 1 Touch the Measuring Mode Icon on the Measuring Mode Screen The Measuring Mode Screen is displayed 2 Touch the Radio Triggering Flas...

Page 20: ... the ISO sensitivity value on the ISO Icon 5 Set the shutter speed on the T Icon NOTICE Make sure that the settings are within the specifications of the camera and flash system 6 Make sure that the set Radio Studio Address is the same between the light meter and the receivers in use P4 P8 Measuring Screen Setting Value Measuring Screen Radio Studio Lamp Address ...

Page 21: ...here is a possibility that the light meter cannot recognize the flash bulb NOTE With broncolor radio system individual flash triggering is not available for each Lamp Address All flashes in the same Studio Address will fire even if a particular Lamp Address is selected For measuring the flash individually turn off the power of flash units not in use Or use the retracted lumisphere of L 858D to mea...

Page 22: ...here facing toward the light sources of main light and fill light directly Adjust the measured values for the desired lighting ratio Figure 1 of Piv 2 Select the Lamp Address Button default setting 1 to 6 on the Flash Power Control Screen NOTE To select the Lamp Address which is not displayed go to Set Lamp Address Screen and set 1 to 40 P8 Measuring Screen Flash Power Control Screen Flash Power C...

Page 23: ...olding the button longer 1 second the power will be adjusted in 1 full step The adjusted value will be displayed in the Adjusted Value area NOTICE The first flash triggered by light meter is the output power set in the flash units Although up to 9 9 steps can be set the adjustment must be within the upper and lower limit of the power level specification of the flash unit The adjusted value will be...

Page 24: ...the Measuring Button 6 Point the meter lumisphere at the camera from the position of subject to make a measurement All flash units in the same Studio Address will fire and the total exposure F stop will be displayed in the main display Figure 2 of Piv Flash Power Control Screen Flash Power Control Screen Flash Power Control Screen Main Display Measurement with Extended Lumisphere ALL Button Flash ...

Page 25: ...ed and retracted status on any screen except the flash power control screen the measurements of each lamp address are all cleared Please extend retract the lumisphere on the flash power control screen NOTE With broncolor radio system individual flash triggering is not available for each Lamp Address All flashes in the same Studio Address will fire even if a particular Lamp Address is selected For ...

Page 26: ...in the same Studio Address will be ON OFF even if a particular Lamp Address is selected To set ISO sensitivity and shutter speed press the Radio Triggering Flash Mode Icon to return to the Measuring Screen The last selected Lamp Address in either Flash Power Control Screen or Radio Studio Lamp Screen in Tool Box is activated in Measuring Screen Flash Power Control Screen Modeling Lamp ON Status Fl...

Page 27: ...tive Flash Mode This Measuring Mode is used when the light generated by the flash at one time is inadequate for the desired F stop setting Repeated flash pops can be accumulated until the desired F stop value is displayed The measured value F stop is displayed for each trigger of the flash The cumulative count is infinite Up to 99 times is displayed in the Status Title field however the cumulative...

Page 28: ...speed on the T Icon NOTICE Make sure that the settings are within the specifications of the camera and flash system 6 Make sure that the set Radio Studio Address is the same between the light meter and the receivers in use P4 P8 Measuring Screen Setting Value Measuring Screen Radio Studio Lamp Address ...

Page 29: ...ight change occurs in the light receptor measurement may be made The waveform of a flash bulb has a slight slope and there is a possibility that the light meter cannot recognize the flash bulb The EV scale cannot be displayed in the Radio Triggering Multi Cumu Flash mode NOTE With broncolor radio system individual flash triggering is not available for each Lamp Address All flashes in the same Stud...

Page 30: ...n is grayed out the cumulative measurement is not made and the count cannot be cleared 3 Touch the Multi Clear Button of the Tool Box The cumulate value is cleared and the display returns to the Measuring Screen If you do not clear the value touch the Close Button The display returns to the Measuring Screen Measuring Screen Tool Box Screen Page 1 Tool Box Screen Page 2 Measuring Screen Cumulative ...

Page 31: ... Light Measuring Mode Operation 1 How to use Flash Triggering 1 Touch the Measuring Mode Icon on the Measuring Screen The Measuring Mode Screen is displayed 2 Touch the Flash Duration Analysis Radio Triggering Mode Icon in Measuring Mode Screen When it is selected the display changes to the Measuring Screen The Flash Duration Analysis Radio Triggering Mode can be selected only when the incident li...

Page 32: ...sure that the settings are within the specifications of the camera and flash system 6 Set the Flash Duration Analysis t value P31 7 Make sure that the set Radio Studio Address and Lamp Address are the same between the light meter and the receivers in use P4 P8 Measuring Screen Setting Value Measuring Screen Radio Studio Lamp Address ...

Page 33: ...alysis Cord Mode When firing the flash if the flash brightness is lower than the ambient light the meter may fail to detect the light Rapid start fluorescent lamps and special lighting are sometimes mistaken for flash and accidentally measured Even if the flash does not fire when a sudden light change occurs in the light receptor measurement may be made The waveform of a flash bulb has a slight sl...

Page 34: ...fer to the L 858D Operating Manual When the measured value display area is touched both flash waveform graph and measured value are displayed When it is touched again the display returns to the previous screen Measure the flash light characteristics in a darkroom without ambient light For radio frequencies refer to 5 Radio Studio Address Frequencies P36 Measuring Screen Flash Duration Analysis Mod...

Page 35: ...P4 P8 3 Touch the Flash Power Control Icon on the Measuring Screen The Flash Power Control Screen is displayed 4 Select a Lamp Address Button default setting 1 to 6 on the Flash Power Control Screen NOTE To select the Lamp Address which is not displayed go to Set Lamp Address Screen and set 1 to 40 P8 Measuring Screen Flash Power Control Screen Flash Power Control Screen Flash Power Control Icon L...

Page 36: ...hen holding the button longer 1 second the power will be adjusted in 1 full step The adjusted value will be displayed in the Adjusted Value area NOTICE The first flash triggered by light meter is the output power set in the flash units Although up to 9 9 steps can be set the adjustment must be within the upper and lower limit of the power level specification of the flash unit The adjusted value wi...

Page 37: ...haracteristic When the lumisphere is switched between extended and retracted status the measurement on the main display is cleared However on the flash power control screen the measurements of each lamp address remain When the lumisphere is switched between extended and retracted status on any screen except the flash power control screen the measurements of each lamp address are all cleared Please...

Page 38: ...again the display returns to the previous screen Measure the flash light characteristics in a darkroom without ambient light To set ISO sensitivity and shutter speed press the Flash Duration Analysis Radio Triggering Mode Icon to return to the Measuring Screen The last selected Lamp Address in either Flash Power Control Screen or Radio Studio Lamp Screen is activated in Measuring Screen For radio ...

Page 39: ... Page Icon of the Tool Box to display the Tool Box showing the Flash Duration Analysis t Value Button This button is enabled if Flash Duration Analysis Mode is selected If it is grayed out check the Measuring Mode 3 Touch the Flash Duration Analysis t Value Button of the Tool Box The Flash Duration Analysis t Value Screen is displayed If you do not change this number touch the Close Button Measuri...

Page 40: ... Screen without making the modification NOTE Two rules apply to the reference flash duration time t0 5 Effective flash duration time t0 1 Total flash duration time After flash firing the time at which the maximum intensity drops by half is called t0 5 The time at which the maximum intensity drops to 1 10 is called t0 1 Generally t0 5 is called the flash duration time Measuring Screen t 0 1 t 0 2 t...

Page 41: ...asuring Screen Product Information Screen 1 2 3 4 5 No Item Description 1 Model Name Displays the model number of the meter 2 Serial Number Displays the serial number of the meter 3 Version Displays the firmware version 4 User Information Displays user input information such as ownership or meter function etc which is set in the Hardware Setting 5 Radio Transmitter Displays the type of radio syste...

Page 42: ...34 3 Product Information 3 Touch the Close Button The display return to the Menu Screen 4 Touch the Close Button The display returns to the Measuring Screen ...

Page 43: ...tton The display return to the Menu Screen 4 Touch the Close Button The display returns to the Measuring Screen 4 Regulation The Regulation screen displays the symbols approved number regulation names etc which the meter is compliance with The contents on the Regulation Screen vary depending on the destination or whether a transmitter sold separately is installed Menu Screen Page 2 Regulation Scre...

Page 44: ... 2427 87 2421 13 2439 38 2449 63 2443 88 2437 14 2455 39 2465 64 2459 89 2453 15 2471 40 2481 65 2475 90 2469 16 2409 41 2403 66 2413 91 2407 17 2425 42 2419 67 2429 92 2423 18 2441 43 2435 68 2445 93 2439 19 2457 44 2451 69 2461 94 2455 20 2473 45 2467 70 2477 95 2471 21 2411 46 2405 71 2415 96 2409 22 2427 47 2421 72 2431 97 2425 23 2443 48 2437 73 2447 98 2441 24 2459 49 2453 74 2463 99 2457 25...

Page 45: ...5 RH or less at 35 C Dimensions Approx 34 W mm 28 H mm 12 D mm Weight Approx 9g Standard Accessories Startup Guide Safety Precaution NOTICE The working distance of the radio triggering system can vary with the orientation and location of the meter and receivers or the frequency Radio Studio Address The maximum radio triggering range is approximately 30 meters If the distance is short changing the ...

Page 46: ...t accept any interference received including interference that may cause undesired operation The user is cautioned that unauthorized changes or modifications not approved could void the user s authority to operate the equipment IC 20931 TXMBR Operation is subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference including interf...

Page 47: ...e flash compatible with the meter s transmitter Isn t any other non compatible brand or manufacturer used Make sure that the transmitter installed to the meter and the receiver currently used are using the same radio system broncolor website URL https www broncolor swiss Are the meter transmitter and receiver set for the same Studio Address Set the same Studio Address on the transmitter and receiv...

Page 48: ...n a safe location 伪 We will retain performance parts for repairs for approximately seven years after production is discontinued Therefore we may not be able to carry out repairs after this period has elapsed 伪 When requesting repairs please provide us with as much detail as possible about the failure or specific failure locations that you are able to identify In certain cases some products that ar...

Page 49: ...7 24 14 Oizumi Gakuen cho Nerima ku Tokyo 178 8686 JAPAN Tel 81 3 3978 2335 Fax 81 3 3978 5229 https www sekonic com JX9N97630 September 2020 ...

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