Adjusting Manual Gain; Adjusting The Shutter Speed; Adjusting The Aperture - JVC GY-HM100U Instructions Manual

Adjusting Manual Gain

Applicable to: Video shooting mode
Manual shooting mode M
Set to the Manual shooting mode.
The light sensitivity can be electrically boosted using the
GAIN switch when there is insufficient illumination on the
subject. (3 positions)
GAIN Switch
L 0 dB (No boosting is applied.)
M 9 dB (Boosts sensitivity by about 3 times.)
H 18 dB (Boosts sensitivity by about 8 times.)
The boosting level for each position can be specified using
[GAIN L], [GAIN M], and [GAIN H] in the [CAMERA
PROCESS] menu.
Memo :
● Boosting the sensitivity causes the screen to appear
grainier.
● When in the Full Auto mode, this is fixed at AGC (Auto
Gain Control). However, when Program AE is set to
[TWILIGHT], the gain value is automatically set to 0 dB.
GAIN Switch
Adjusting the Shutter
Speed
Applicable to: Manual shooting mode M
The shutter speed can be set to a value according to the
user's preference. When this is set to Auto, the shutter speed
is automatically controlled.
Set to the Manual shooting mode.
1 .
Set to the shutter speed adjustment mode.
Press the SHUTTER button.
● Video mode
: The shutter speed that is set in the
manual mode is displayed.
● Still picture mode : The current shutter speed is
displayed.
SHUTTER
Description
2 .
Select a shutter speed value.
Turn the ADJ./VOL. knob up or down.
● The selected value is displayed.
3 .
Confirm the shutter speed value.
Press the ADJ./VOL. knob.
● Doing so exits the adjustment mode and the shutter
speed is displayed in white.
SHUTTER
ADJ./VOL.
Knob
Memo :
● When in the still picture mode, shutter speed cannot be
adjusted manually if exposure and aperture are set to the
manual mode. (The S.SP display flashes for about 5
seconds on the screen and its setting becomes invalid.)
● When in the Lolux mode, shutter speed cannot be adjusted
manually. (The S.SP display flashes for about 5 seconds
on the screen and its setting becomes invalid.)
Setting values
Video frame rate 60
1/3.75,1/7.5,1/15,1/30,1/60,1/80,1/100,
1/250,1/500,1/1000,1/2000,1/4000,1/10000
Video frame rate 50
1/3.13,1/6.25,1/12.5,1/25,1/50,1/80,1/120,
1/250,1/500,1/1000,1/2000,1/4000,1/10000
Video frame rate 24
1/3,1/6,1/12,1/24,1/48,1/60,1/100,1/250,1/500,
1/1000,1/2000,1/4000,1/10000
Still picture
1/4,1/8,1/15,1/30,1/60,1/80,1/125,1/250,1/500,
1/1000,1/2000,1/4000,1/8000
Setting shutter speed to AUTO
Press the SHUTTER button twice to clear the display.

Adjusting the Aperture

Applicable to: Manual shooting mode M
The aperture value (F-number) of the lens can be set as follows.
F-number
Decrease The subject appears brighter.
The focused range becomes sharper, while the
background is blurred to produce a soft image.
Increase The subject appears darker.
Background of image becomes focused as well.
ACCESS
IRIS
SHUTTER
OPEN
AE ± REC
CLOSE
DC
Description
37