JVC gy-hm790 ユーザーズマニュアル

The camera recorder starts up in Camera mode.

● The camera recorder always start up in Camera mode 

when the [POWER] switch is set to 

AONB.

● Press the [CAM/MEDIA] button to switch to a different mode. 

The operation mode indicator changes as below. While in 
the Camera mode, setting the [GENLOCK/AUX] selection 
switch to 

AAUXB switches the camera recorder to the AUX 

mode. (U model only)
See [Operation Mode] (A Page 8) for details of each 
operation mode.

● The camera recorder will switch to IEEE1394 Input mode 

only when the IEEE1394-connected equipment is in 

operation.

䡵 Camera Mode (Except AUX Mode)

Camera images are output on the viewfinder and LCD 
monitor. When a recordable SDHC card is inserted, the 
camera recorder enters the recording standby mode. 

ASTBYB appears on the operation mode display area of the 
LCD monitor and viewfinder.
Press the [REC] trigger button to start recording.

● Playback of SDHC card is not possible in Camera mode. 

However, you can use the Clip Review function to check the 

most recently recorded video clip. (A Page 56)

䡵 AUX Mode (U model only)

This is a mode for recording composite videos from an 
external device. When a recordable SDHC card is inserted, 
the camera recorder enters the recording standby mode.
Press the [REC] trigger button to start recording.
Composite videos from the external device are output to the 
viewfinder and LCD monitor.

● [System Definition] is fixed at ASD (DV)B in the AUX mode. 

䡵 Media Mode (SD Card Mode)

This mode allows you to play back or delete clips recorded 
on the SDHC card.
When a playable SDHC card is inserted, the thumbnail or 
playback screen is output on the viewfinder and LCD 
monitor.

䡵 Media Mode (IEEE1394 Input Mode)

This mode allows you to check IEEE1394 input signals.
When playable IEEE1394 signals are input, input images are 
output on the viewfinder and LCD monitor. IEEE1394 input 
signals cannot be recorded.

Set the camera recorder to the recording standby or stop 
mode.

● Do not set the [POWER] switch to AOFFB during 

recording. Check that the operation mode display is 
ASTBYB or ASTOPB before you turn off the power.

● If you have mistakenly set the [POWER] switch to AOFFB 

during recording, wait for 5 seconds or more before you 
turn on the power again.

● When turning off the power, first set the [POWER] switch 

of the camera recorder to 

AOFFB. Do not remove the 

battery or turn off the AC power while the [POWER] switch 

is set to 

AONB.

● During Camera mode (Except AUX 

mode)

: Lights up in blue/purple

● AUX Mode (U model only)

: Blue

● During Media mode (SD Card mode)

: Lights up in green

● Media Mode (IEEE1394 Input Mode)

: Lights up in orange

● During USB mode

: Lights up in orange

● During mode switching

: Blinks in the color of the 

new mode

[POWER] Switch

[MENU] Button

Cross-Shaped 
Button
(

JKH

 

I

)

Set Button (

R

)

[CAM/MEDIA] Button

[REC] Button

[CANCEL] 
Button