JVC GY-HM150E, GYHM150U, GY-HM150U Memo :, Memo :, Note :, Setting values, Setting shutter speed to AUTO, Automatic Gain Mode (Automatic Gain Adjustment)

Adjusting Manual Gain

Applicable to: Manual shooting mode M

You can select the gain of the video amplifier using the [GAIN] switch on the camera recorder.

The default positions of the switch are as follows.

The light sensitivity can be electrically boosted using the [GAIN] switch when there is insufficient illumination on the object. (3 positions)

[GAIN] Switch	Description

[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.)

USER1 USER2

FILTER

FOCUS

ZOOM

OFF

AF/MF FULL AUTO

GAIN WHT.BAL IRIS A/M

L-	B-
M-	A-
H-	PRST-

[GAIN] Switch

Memo :

●The gain value of each position can be set to A AGC B and within the range of A 0dB B to A 18dB B (in increments of 3 dB) using [Switch Set]B[GAIN L]/[GAIN M]/[GAIN H] in the [Camera Function] menu. (A Page 66)

●Boosting the sensitivity causes the screen to appear grainier.

Automatic Gain Mode (Automatic Gain Adjustment)

Set the camera recorder to the Full Auto shooting mode to activate the Auto Gain Control mode (A AGC B fixed). The gain of the video amplifier is automatically set according to the brightness of the object.

In this case, the [GAIN] switch on the camera recorder is disabled.

Memo :

●When Program AE is set to [Twilight], the automatic gain

mode is disabled and gain value is automatically set to A 0dB B.

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.

1 Set to the Manual shooting mode.

2 Set to the shutter speed adjustment mode.

●Press the [SHUTTER] button.

●The shutter speed that is set in the manual mode is displayed.

SHUTTER

3 Select a shutter speed value.

●Operate with the [ADJ./VOL.] knob.

●The selected value is displayed.

ADJ./VOL

4 Confirm the shutter speed value.

●Press the [ADJ./VOL.] knob.

●Doing so exits the adjustment mode and the shutter speed is displayed.

ADJ./VOL
		ACCESS
		CAM
	OIS	MEDIA
[SHUTTER]	OPEN SHUTTER
[SHUTTER]	AE±	REC
	AE±	REC
	CLOSE
	ADJ./ VOL.	PUSH
[ADJ./VOL.]
Knob		DC

Note :

●When in the Lolux mode, shutter speed cannot be adjusted manually.

Setting values

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

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

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

Setting shutter speed to AUTO

1 Press the [SHUTTER] button twice to clear the display.