Home » Sony Manuals » Flashes » Sony HVL-F60RM » Manual Viewer

Sony HVL-F60RM Help Guide

Sony HVL-F60RM Manual

View all Sony HVL-F60RM manuals

Add to My Manuals
Save this manual to your list of manuals

Sony HVL-F60RM manual content summary:

Sony HVL-F60RM | Help Guide - Page 1
Help Guide Flash HVL-F60RM Use this Help Guide when you have issues or questions on how to use your flash unit. Locating parts and controls/on-screen indicators Locating parts and controls Basic operations Using the control wheel Using the Quick Navi screen Using the MENU screen Direct setting On-
Sony HVL-F60RM | Help Guide - Page 2
(MANUAL) High-speed sync photography (HSS) Multiple flash photography (MULTI) Firing a test-flash Selecting the wireless type (radio or optical) for controlling wireless flash photography Radio wireless flash photography Configuring the flash unit for radio wireless flash photography Wireless flash
Sony HVL-F60RM | Help Guide - Page 3
the settings for the Quick Navi screen (RESET) Restoring the factory default settings (INITIALIZE) Notes on using/cleaning the flash unit Notes on use Specifications Specifications Guide number Radio wireless features Trademarks Troubleshooting Warning indications 4-735-263-11(1) Copyright 2018
Sony HVL-F60RM | Help Guide - Page 4
Help Guide Flash HVL-F60RM Locating parts and controls Flash unit (front side) 1. Built-in wide panel 2. Flashlamp 3. LED light unit/AF illuminator 4. Wireless control signal receiver (for optical wireless communications) 5. Multi Interface foot 6. DC IN terminal Connect the External Battery Adaptor
Sony HVL-F60RM | Help Guide - Page 5
the Multi Interface foot 2. Tripod attachment hole Controls on the operation console 1. LEVEL -/+ button By using either button, you can quickly adjust the flash compensation and the flash power level. 2. TEST button 3. Control wheel 4. Center button 5. Direction buttons 6. Power switch By selecting
Sony HVL-F60RM | Help Guide - Page 6
AUTO2: When you press one of the buttons or use the control wheel, the backlight for the LCD panel lights for 8 seconds. ON: The backlights for the LCD panel and the LEVEL -/+, Fn, and MENU buttons stay lit. OFF: All the backlights stay unlit. 4-735-263-11(1) Copyright 2018 Sony Corporation 6
Sony HVL-F60RM | Help Guide - Page 7
Help Guide Flash HVL-F60RM Using the control wheel By rotating the flash mode. Left - No function is assigned to this button at shipment. You can assign a function of your choice to the button. Right WL MODE Changes the wireless mode. KEY) 4-735-263-11(1) Copyright 2018 Sony Corporation 7
Sony HVL-F60RM | Help Guide - Page 8
Guide Flash HVL-F60RM Using the Quick Navi screen You can press the Fn button on the flash unit to change the settings for photography, such as the selected flash Flash mode setting Wireless mode setting Setting options TTL(*)/MANUAL/MULTI/flash off/GROUP WL OFF(*)/CMD/RCV(radio control
Sony HVL-F60RM | Help Guide - Page 9
remote setting Wireless group setting ON/OFF(*) OFF/1(*) - 16 ON/OFF(*) OFF/A(*)/B/C/D/E(radio control) RMT(*)/RMT2(optical control) * Factory default setting Note The items and options available for setting vary depending on the flash mode. 4-735-263-11(1) Copyright 2018 Sony Corporation 9
Sony HVL-F60RM | Help Guide - Page 10
Help Guide Flash HVL-F60RM Using the MENU screen You can press the MENU button on the flash unit to change the settings you can the following setting options. Groups Setting items Descriptions FLASH DISTRIBUT. Flash distribution setting LIGHT MODE LED light ON/OFF setting MEMORY Registration
Sony HVL-F60RM | Help Guide - Page 11
CH SET Channel setting (radio control) CH SET Channel setting (optical control) REMOTE RELEASE Remote release mode setting WITH RELEASE Remote release sync flash setting PAIRING Pairing PAIRED DEVICE List of the paired devices WL READY LAMP Wireless flash ready lamp setting BACKLIGHT
Sony HVL-F60RM | Help Guide - Page 12
Help Guide Flash HVL-F60RM Direct setting You can directly modify the flash compensation and the flash power level simply by pressing the LEVEL -/+ button ( ). Hint If you assign " POS SELECT" to a button of your choice, you can select a wireless group simply with the button when you use the LEVEL
Sony HVL-F60RM | Help Guide - Page 13
Guide Flash HVL-F60RM On-screen indicators The following screen images are given as examples and may look different from what you actually see on the LCD panel. TTL flash mode 1. Flash mode 2. High-speed sync setting 3. Flash range 4. Memory Recall 5. External Battery Adaptor state 6. Bounce flash
Sony HVL-F60RM | Help Guide - Page 14
/Control unit flash setting 5. Lighting ratio Wireless receiver mode (radio control) 1. Receiver remote setting 2. Wireless group setting Wireless controller mode (optical wireless communications) Wireless remote mode (optical wireless communications) 4-735-263-11(1) Copyright 2018 Sony Corporation
Sony HVL-F60RM | Help Guide - Page 15
Help Guide Flash HVL-F60RM Unpacking If you find anything missing, please contact your dealer. The number in the parentheses indicates the quantity. Flash unit (1) Connector protect cap (1) Mini-stand (stored in the case) (1) Case (1) Bounce adaptor (1) Color filter (amber) (1) Color filter (green)
Sony HVL-F60RM | Help Guide - Page 16
Guide Flash HVL-F60RM Inserting batteries This flash unit can accommodate either set of the following: Four AA-size alkaline batteries Four AA-size rechargeable nickel-metal hydride (Ni-MH) batteries Before you use 1 operations in reverse order. 4-735-263-11(1) Copyright 2018 Sony Corporation 16
Sony HVL-F60RM | Help Guide - Page 17
Guide Flash HVL-F60RM Attaching/removing the flash unit to/from the camera To attach the flash unit to the camera 1 Turn off the power to the flash unit. If your camera is equipped with a built-in flash, make sure that the camera flash not intend to use the flash unit, be sure to attach the terminal
Sony HVL-F60RM | Help Guide - Page 18
Help Guide Flash HVL-F60RM Attaching and removing the mini-stand When you have removed the flash unit from the camera to place and use it alone for wireless flash photography, attach the supplied ministand to the unit. To attach the mini-stand 1 Press and hold the release button and rotate the lock
Sony HVL-F60RM | Help Guide - Page 19
mini-stand to a tripod through the screw hole on the mini-stand. Use a tripod with the screw that is shorter than 5.5 mm in length. To damage to the mini-stand. Note When you do not intend to use the flash unit, be sure to attach the terminal protection cap back to the Multi Interface foot. 4-735
Sony HVL-F60RM | Help Guide - Page 20
Help Guide Flash HVL-F60RM Turning on the power to the flash unit 1 Turn the power switch to ON. When the flash unit is powered, on-screen indicators are displayed on the LCD panel. To turn off the power to the flash unit Turn the power switch to OFF. Flash charge-up When you turn on the power to
Sony HVL-F60RM | Help Guide - Page 21
flash firing. On the LCD panel, / is displayed and the flash frequency may be forced to increase. In addition, if the temperature inside the flash the flash unit and leave the flash unit unused for about 20 minutes to let it cool down. Continuous flashes heat up the batteries inside the flash unit.
Sony HVL-F60RM | Help Guide - Page 22
Help Guide Flash HVL-F60RM Pairing with a radio wireless commander/receiver (for radio wireless flash photography) To perform radio wireless flash photography with this flash unit, you need another flash unit that supports radio wireless communications in addition to this flash unit and must pair
Sony HVL-F60RM | Help Guide - Page 23
or delete the paired receiver unit(s) by selecting [PAIRED DEVICE] on the MENU screen. Note The above instructions are given based on the assumption that this flash unit uses default radio wireless communications. When you have changed the setting of the commander unit and specified it as a receiver
Sony HVL-F60RM | Help Guide - Page 24
Related Topic Configuring the flash unit for radio wireless flash photography Wireless flash photography (with the receiver unit) 4-735-263-11(1) Copyright 2018 Sony Corporation 24
Sony HVL-F60RM | Help Guide - Page 25
Help Guide Flash HVL-F60RM TTL flash photography (TTL) TTL-flash mode measures the light from the subject that is reflected through the lens. TTL metering also has a P-TTL metering function, which adds a pre-flash to TTL metering, and an ADI metering function, which adds distance data to the P-TTL
Sony HVL-F60RM | Help Guide - Page 26
28 m. If the distance is beyond this range, or next to the flash range indicator will light. To use fill-flash or auto-flash mode of the camera, you need to select the mode on the camera. Before photographing with the flash unit using the self-timer of the camera, make sure that the TEST button
Sony HVL-F60RM | Help Guide - Page 27
Help Guide Flash HVL-F60RM Manual flash photography (MANUAL) MANUAL flash mode keeps the flash power level consistent regardless of the brightness of the subject or the settings of the camera. 1 Select the M (Manual) shooting mode on the camera. 2 Press the MODE button ( ) and rotate the control
Sony HVL-F60RM | Help Guide - Page 28
MANUAL flash flash power level setting step ([0.3EV] or [0.5EV]). If you assign "TTL/M SWITCH" to a button of your choice, you can switch the flash mode between TTL flash mode and MANUAL flash mode simply with the button. Related Topic TTL flash
Sony HVL-F60RM | Help Guide - Page 29
Help Guide Flash HVL-F60RM High-speed sync photography (HSS) High-speed sync photography eliminates the flash sync speed restrictions and enables the flash unit to be used through the entire shutter speed range of the camera. An increase in the selectable aperture range allows flash photography with
Sony HVL-F60RM | Help Guide - Page 30
Guide Flash HVL-F60RM Multiple flash photography (MULTI) This flash unit is capable of firing multiple times while the camera shutter is open (multiple flash photography). Multiple flash photography allows you to capture a series of movements of the subject in a single photo. Hint For multiple flash
Sony HVL-F60RM | Help Guide - Page 31
100* 100* 100* 100* 100* 100* "100*" indicates 100 or greater. When using the nickel-hydride batteries Flash Flash frequencies (Hz) power levels 100 90 80 70 60 50 40 30 20 10 9 8 specify for the flash count in MULTI flash mode varies depending on the type and condition of the batteries.
Sony HVL-F60RM | Help Guide - Page 32
Help Guide Flash HVL-F60RM Firing a test-flash You can fire a test-flash before you start photographing. If you intend to use a flash meter for manual flash photography, be sure to fire a test-flash. 1 When the TEST button ( ) lights in orange (ready to fire), press the TEST button. Tips on firing a
Sony HVL-F60RM | Help Guide - Page 33
Help Guide Flash HVL-F60RM Selecting the wireless type (radio or optical) for controlling wireless flash photography This flash unit is capable of using 2 types of wireless communications for wireless flash photography: radio and optical wireless communications. Hint In this Help Guide, the "
Sony HVL-F60RM | Help Guide - Page 34
34
Sony HVL-F60RM | Help Guide - Page 35
Help Guide Flash HVL-F60RM Configuring the flash unit for radio wireless flash photography This flash unit supports radio wireless communications for flash photography. Specify [CMD] for the commander unit attached to the camera; and [RCV] for the receiver unit (off-camera flash unit) of which flash
Sony HVL-F60RM | Help Guide - Page 36
Related Topic Pairing with a radio wireless commander/receiver (for radio wireless flash photography) Selecting the wireless type (radio or optical) for controlling wireless flash photography 4-735-263-11(1) Copyright 2018 Sony Corporation 36
Sony HVL-F60RM | Help Guide - Page 37
the camera : Commander unit (CMD) : HVL-F60RM (RCV) As the commander unit, you can use this flash unit or a radio wireless commander. 1 Select the wireless (WL) flash mode on the camera. For selecting the flash mode on the camera, refer to the operating instructions supplied with the camera. 2 Press
Sony HVL-F60RM | Help Guide - Page 38
manual flash photography, you can enable adjustment on the commander unit by selecting [CMD LINK] for the flash power level setting on the Quick Navi screen. Related Topic Pairing with a radio wireless commander/receiver (for radio wireless flash photography) Selecting the wireless type (radio
Sony HVL-F60RM | Help Guide - Page 39
Help Guide Flash HVL-F60RM Multiple radio wireless flash photography with flash power level ratio control You can perform wireless flash photography while controlling the lighting ratio among a maximum of 3 wireless groups (A, B, and C) of flash units including the commander unit. Before you perform
Sony HVL-F60RM | Help Guide - Page 40
Help Guide Flash HVL-F60RM Multiple wireless flash photography (group flash photography) You can perform wireless flash photography among a maximum of 5 wireless groups of flash units including the commander unit. Before you perform multiple wireless flash photography, be sure to specify the flash
Sony HVL-F60RM | Help Guide - Page 41
Help Guide Flash HVL-F60RM Remote release photography When this flash unit (the commander unit) is attached to a camera and its remote release mode setting is specified as [ON], releasing the shutter on the camera sends control signals to another flash unit of the same model (the receiver unit) that
Sony HVL-F60RM | Help Guide - Page 42
button on the flash unit specified as the commander unit. Related Topic Pairing with a radio wireless commander/receiver (for radio wireless flash photography) Selecting the wireless type (radio or optical) for controlling wireless flash photography 4-735-263-11(1) Copyright 2018 Sony Corporation 42
Sony HVL-F60RM | Help Guide - Page 43
Help Guide Flash HVL-F60RM Changing the settings of individual receiver units (RECEIVER SET) When you perform multiple flash photography, for example, you can change the wireless group setting and the zoom setting of setting on the receiver unit. 4-735-263-11(1) Copyright 2018 Sony Corporation 43
Sony HVL-F60RM | Help Guide - Page 44
Help Guide Flash HVL-F60RM Notes on radio wireless flash photography During photography with off-camera flash units, P-TTL flash metering is automatically used instead of ADI metering. 4-735-263-11(1) Copyright 2018 Sony Corporation 44
Sony HVL-F60RM | Help Guide - Page 45
Help Guide Flash HVL-F60RM Configuring the flash unit for optical wireless flash photography This flash unit supports optical wireless communications for flash photography. Specify [CTRL] for the flash unit attached to the camera as the controller unit; and [RMT] for the off-camera flash unit of
Sony HVL-F60RM | Help Guide - Page 46
Help Guide Flash HVL-F60RM Wireless flash photography (with the remote unit) You can specify another flash unit attached to the camera or the built-in flash of the camera as the controller unit, and then use the controller unit to trigger the flash operation of this flash unit placed away from the
Sony HVL-F60RM | Help Guide - Page 47
Related Topic Selecting the wireless type (radio or optical) for controlling wireless flash photography Attaching/removing the flash unit to/from the camera Attaching and removing the mini-stand 4-735-263-11(1) Copyright 2018 Sony Corporation 47
Sony HVL-F60RM | Help Guide - Page 48
as the controller unit or the remote unit. Controller unit: HVL-F60RM Remote unit (off-camera flash unit): HVL-F60RM or another flash unit model that supports optical wireless communications : Controller unit (CTRL) : Remote unit (RMT) : Remote unit (RMT2) 1 Press the Fn button on the controller
Sony HVL-F60RM | Help Guide - Page 49
Help Guide Flash HVL-F60RM Notes on optical wireless flash photography During wireless flash photography, measurement with a flash meter or a color meter is not available because of the pre-flash of the flash unit. When [AUTO] is selected for the flash coverage (zoom) of this flash unit specified as
Sony HVL-F60RM | Help Guide - Page 50
Help Guide Flash HVL-F60RM Using the sync terminal for flash photography You can connect another flash unit or camera to this flash unit with the sync cord (not supplied) to perform synchronized flash photography as described below. When a flash unit with the sync terminal (not supplied) is
Sony HVL-F60RM | Help Guide - Page 51
When you use the flash unit connected to the sync terminal on this flash unit, set the shutter speed of the camera to the slower one of the following two or to a slower speed slower than either one. the synch speed of the camera the shutter speed recommended on the flash unit 4-735-263-11
Sony HVL-F60RM | Help Guide - Page 52
Help Guide Flash HVL-F60RM Using the LED light for video shooting You can use the LED light of this flash unit as a light source for video shooting. It helps create natural lights and shadows in an , the LED beam may be obstructed by the lens end. 4-735-263-11(1) Copyright 2018 Sony Corporation 52
Sony HVL-F60RM | Help Guide - Page 53
Guide Flash HVL-F60RM Selecting the flash coverage automatically (auto zoom) This flash unit automatically selects the appropriate flash coverage for the focal length of the lens on the attached camera within the range from 20 mm to 200 mm (auto zoom). You do not need to manually select the flash
Sony HVL-F60RM | Help Guide - Page 54
back into the unit. Depending on the focal length specified for photography, the periphery of the screen may appear darker. In such a case, change the flash distribution pattern. Related Topic Selecting the flash coverage manually (manual zoom) 4-735-263-11(1) Copyright 2018 Sony Corporation 54
Sony HVL-F60RM | Help Guide - Page 55
Help Guide Flash HVL-F60RM Selecting the flash coverage manually (manual zoom) You can manually select the flash coverage of the flash unit regardless of the focal length of the lens in use (manual zoom). 1 Press the ZOOM button ( ) and select the flash coverage with the control wheel. Note
Sony HVL-F60RM | Help Guide - Page 56
Help Guide Flash HVL-F60RM Bounce flash photography Using the flash unit with a wall directly behind the subject produces strong shadows on the wall. By directing the flash unit at the ceiling you can illuminate the subject with reflected light, reducing the intensity of the shadows and producing a
Sony HVL-F60RM | Help Guide - Page 57
the flashlamp is tilted up, the flash range is not displayed on the LCD panel. Use a white ceiling or wall to bounce the flash light. A colored surface may tint the bounced light. High ceilings or glass are not recommended for the bounce surface. 4-735-263-11(1) Copyright 2018 Sony Corporation 57
Sony HVL-F60RM | Help Guide - Page 58
Guide Flash HVL-F60RM Adjusting the bounce flash angle Simultaneous use of the flash light from this flash unit and the bounced light produces uneven lighting. To determine the bounce flash angle, take the flash . Examples of flash photography conditions: flash light upward Determine the bounce flash
Sony HVL-F60RM | Help Guide - Page 59
Guide Flash HVL-F60RM Using the quick shift bounce function When you perform bounce flash photography with the camera placed in the portrait orientation, you can use bounce flash photography. In such a case, the flash range may be reduced compared to the one available for bounce flash photography
Sony HVL-F60RM | Help Guide - Page 60
Help Guide Flash HVL-F60RM Using the bounce adaptor With the supplied bounce adaptor attached to the flashlamp for bounce flash photography, you can diffuse the light from the flash unit over a wider range, in the direction of the arrow ( ). 4-735-263-11(1) Copyright 2018 Sony Corporation 60
Sony HVL-F60RM | Help Guide - Page 61
Help Guide Flash HVL-F60RM Close-up flash photography (downward bounce flash photography) When the object is located 0.7 - 1.0 m away from the camera, you can tilt the flashlamp slightly downward for flash photography to ensure accurate illumination. 1 Hold the camera firmly and tilt down the
Sony HVL-F60RM | Help Guide - Page 62
Guide Flash HVL-F60RM Tips on the AF illuminator If the brightness or contrast setting of the camera is not sufficient for photographing the subject, the AF illuminator (LED light) on the front of the flash , use the menu on the camera to turn it off. When the AF illuminator on the flash unit
Sony HVL-F60RM | Help Guide - Page 63
Help Guide Flash HVL-F60RM Using color filters Depending on the ambient light during photography, the sufficient flash light may not reach the background of the subject and the photographed images may appear in unnatural colors. With the supplied color filters used for photography, the photographed
Sony HVL-F60RM | Help Guide - Page 64
[Auto] or [Flash] is specified for the white balance on the camera. 4-735-263-11(1) Copyright 2018 Sony Corporation 64
Sony HVL-F60RM | Help Guide - Page 65
Help Guide Flash HVL-F60RM Connecting an external power source With the External Battery Adaptor (not supplied) connected to the DC IN terminal on this flash unit, this flash unit can fire continuous flashes with shorter flash charge-up time. For details, refer to the operating instructions supplied
Sony HVL-F60RM | Help Guide - Page 66
Guide Flash HVL-F60RM Registering/calling up a preference (MEMORY) You can register the mode or a set of values that you frequently use to either [MR1] or [MR2] as a preference and call it up simply by selecting its name. To register a preference 1 Set up this flash flash unit, and then register the use
Sony HVL-F60RM | Help Guide - Page 67
Help Guide Flash HVL-F60RM Customizing the Flash mode switching (TTL/MANUAL) - /LEVEL Flash power level setting POS SELECT Item selection for direct flash power setting ZOOM Flash coverage (zoom) setting (*) CMD/CTRL FLASH Commander/Control unit flash setting - FLASH DISTRIBUT. Flash
Sony HVL-F60RM | Help Guide - Page 68
ratio setting Group flash mode setting LED light ON/OFF setting Calling up pre-registered settings Preference registration Wireless mode setting Remote release mode setting Individual receiver setting Wireless group setting Receiver remote setting Channel setting (radio control) Channel setting
Sony HVL-F60RM | Help Guide - Page 69
Help Guide Flash HVL-F60RM Viewing the version information of this flash unit/the receiver unit (VERSION) You can view the version information about this flash unit and the paired receiver unit(s). Check this information when a firmware update is released. 1 Press the MENU button ( ) and select [
Sony HVL-F60RM | Help Guide - Page 70
Help Guide Flash HVL-F60RM Resetting the settings for the Quick Navi screen (RESET) You can reset the settings you have changed with the Quick Navi screen to the factory default settings. 1 Press the MENU button ( ) and select [RESET]. 2 Select [OK]. Note The reset operation also resets the flash
Sony HVL-F60RM | Help Guide - Page 71
Help Guide Flash HVL-F60RM Restoring the factory default settings (INITIALIZE) You can restore all the functional settings and the set 2 Select [OK]. Note While the initialize process is in progress, do not turn off the power to this flash unit or remove the batteries. 4-735-263-11(1) Copyright 2018
Sony HVL-F60RM | Help Guide - Page 72
Help Guide Flash HVL-F60RM Notes on use In addition to this Help Guide, please read "Before use" in the Operating Instructions (supplied). While photographing This flash unit generates strong light, so it should not be used directly in front of the eyes. Do not use the flash 20 times in a row or in
Sony HVL-F60RM | Help Guide - Page 73
Remove this unit from the camera. Clean the flash with a dry soft cloth. If the flash has been in contact with sand, wiping will damage the surface, and it should therefore be cleaned gently using a blower. In the event of stubborn stains, use a cloth lightly moistened with water or tepid water
Sony HVL-F60RM | Help Guide - Page 74
Guide Flash HVL-F60RM Specifications Flash unit Flash control Continuous flash performance AF illuminator Flash control using pre-flash (P-TTL/ADI) 40 flashes at 10 flashes per second (Normal flash, flash supported: 35 mm (35mm-format angle of view) Continuous lighting time: Approx. 1 hour (using
Sony HVL-F60RM | Help Guide - Page 75
of flashes at the highest flash power level available in every 30 seconds (Acquired under our measurement conditions.) Functions in this manual depend on testing conditions at our firm. Design and specifications are subject to change without notice. 4-735-263-11(1) Copyright 2018 Sony Corporation
Sony HVL-F60RM | Help Guide - Page 76
Help Guide Flash HVL-F60RM Guide number Normal flash/STD flash distribution (ISO 100) Manual flash/35mm-format Flash power level BA(*1)(*2) BA(*1) 14(*2) 20 Flash coverage setting (mm) 24 28 35 50 70 105 135 200 1/1 16 23 14 25 26 28 30 37 46 49 54 60 1/2 11.3 16.3 9.9
Sony HVL-F60RM | Help Guide - Page 77
bounce adaptor is attached. *2 When the wide panel is attached. APS-C format Flash coverage setting (mm) Shutter speed BA(*1)(*2) BA(*1) 14(*2) 20 24 28 1.8 1.8 1.9 2.1 *1 When the bounce adaptor is attached. *2 When the wide panel is attached. 4-735-263-11(1) Copyright 2018 Sony Corporation 77
Sony HVL-F60RM | Help Guide - Page 78
Help Guide Flash HVL-F60RM Radio wireless features The following lists the specifications of radio wireless features on this flash unit. Frequency band Number of channels Communication distance 2.4 GHz 14 channels Approximately 30 m (98.4 ft.) (Acquired under our measurement conditions.) The
Sony HVL-F60RM | Help Guide - Page 79
Help Guide Flash HVL-F60RM Trademarks "Multi Interface Shoe" is a trademark of Sony Corporation. 4-735-263-11(1) Copyright 2018 Sony Corporation 79
Sony HVL-F60RM | Help Guide - Page 80
Guide Flash HVL-F60RM Warning indications / / / Firing in quick succession for a short period of time may cause the temperature inside this flash that the internal temperature is extremely high. While the flash unit is in this state, flash charge-up is suspended for about 8 seconds. This warning