JVC GYHM150U Manuel D’Utilisation

Before sending for repair, check the camera recorder’s problem according to the table below.
If the problem persists, consult our authorized dealers or JVC service center.

● Check that the SDHC/SDXC card is facing the right direction.

● Is the AC adapter properly connected?

● Is the battery charged?

● Is the power turned on immediately after it is turned off? Make sure to wait for an interval of 

at least 5 seconds before turning on the power again.

● Is the write-protect switch of the SDHC/SDXC card turned on? Make sure that the write-

protect switch is turned off. (

● Is the camera recorder set to the Camera mode? If the [CAM] indicating lamp does not light 

up in red, camera images are not output. Set the [CAM/MEDIA] selection switch to [CAM] 
to switch to the Camera mode. (

● Is the camera recorder set to the Camera mode? If the [CAM] indicating lamp does not light 

up in red, camera images are not output. Set the [CAM/MEDIA] selection switch to [CAM] 
to switch to the Camera mode. (

● Is the viewfinder used with [VF Slide SW] in the [LCD/VF] menu set to AEnableB and 

without pulling out the viewfinder? Pull out the viewfinder if this setting is being used. 
(

● When the [HDMI], [COMPONENT OUT] or [A/V OUT] terminal is connected, video images 

will not appear on the viewfinder. Remove the cable.

● Shooting may stop halfway due to the nature of the SDHC/SDXC card.

h Check whether the card is a recommended SD card (Class 6 or higher). (A Page 7)
h Erase the contents of the SDHC/SDXC card (Delete, Format). (A Page 21)

● Readjust the brightness of the LCD monitor screen and viewfinder. (A Page 20)

● Is [ND FILTER] set to AONB?

● Is the iris closed?

● Is the shutter speed setting too high?

● Use the Lolux mode to shoot. (A Page 30)

● Set exposure to the [+] side. (A Page 31)

● Set to the manual shooting mode and increase the sensitivity using the [GAIN] switch. 

● Set the [GAIN] switch to AAGCB. (A Page 66)

● Set to open up the aperture. (A Page 36)

● Depending on the lighting conditions or when there are numerous light sources in the 

background, set to the manual shooting mode and perform auto white balance adjustment. 
(

● Adjust the red or blue using white paint adjustment. (A Page 34)

● Clean any dirt or water droplets from the lens.

● If you are shooting at a dark place or shooting a subject that has no contrast between dark 

and light, adjust the focus manually.

● Is Program AE set to [Twilight]?

White balance cannot be adjusted when in the [Twilight] mode.

● Adjust the angle and brightness of the screen. (A Page 22)

● When used in cold places, the screen may appear darker.

● The screen may be reaching the end of its service life. Consult your nearest JVC dealer.

● The screen may be difficult to see if used in bright areas, such as under direct sunlight.

● Charge the battery fully, use it up, and then charge again. (A Page 16)

● If the camera recorder is used for long periods of time in high or low temperatures, or if the 

battery is repeatedly charged, the remaining battery level may not be displayed correctly.

● If the screen or surrounding parts have been pressed, remove your hands and leave the 

camera for a short while. (Applying pressure causes image unevenness.)

GY-HM150U.book  Page 96  Monday, September 5, 2011  1:48 AM