JVC KY-D29 - Gain (Sensitivity) Adjustment; Gain SWIECHING; Gain Boost under LOLUX Condition

5. SHOOTING (APPLIED OPERATIONS)
5-2 GAIN (SENSITIVITY) ADJUSTMENT
The gain should be switched when the brightness is not enough due to the poor lighting condition.
GAIN SWITCHING
This switch allows the gain to be boostedwhen the illumination of
AUTOIRIS FULLAUTO~LOLUX BLACK the object is insufficient.
Factory Set Gain
ae ae es | ee)
a |
| eee 18 dB
When this switch is switched, the newly set gain is displayed for a
few seconds on the status 0 or mode 1 screen inside the viewfinder.
Set it to @ (0 dB) in normal use. ,
i The gain set with each of the switch positions can be set with
“GAIN” of the ADVANCED MENU.
Reference : See page 42 for details.
li Itis also possible to use the ALC which varies the gain automatically.
Reference : See page 42 for details.
i Smooth gain transition
The gain transition can be made smoother using “SMOOTH
TRANS” of the ADVANCED MENU.
However, note that the SMOOTH TRANS function is not avail-
able if the switch is set to ALC.
GAIN BOOST UNDER LOLUX CONDITION
The LOLUX on/off button is designed to be used when an illumina-
LOLUX on/off button tion insufficient cannot be compensated for with the GAIN switch alone.
Press the button to enter the LOLUX mode in which the gain is boosted
by about 33 dB.
“LOLUX ON” is displayed for a few seconds on the status 0 or 1
mode screen inside the viewfinder.
Pressing the button again cancels the LOLUX mode.
“LOLUX OFP’ is displayed for a few seconds.
i Switching to SUPER LOLUX boost
The LOLUX boost value can be changed to the SUPER LOLUX
GAIN switch
SAN on on or value by using the ADVANCED MENU.
a (oy The gain boost of SUPER LOLUX is about 39 dB. However,
an when the SUPER LOLUX function is on, the after-image will
sei increase.
¢ Shutter speed cannot be changed while the SUPER LOLUX
mode is ON.
Reference: Page 42.
i Even in the SMOOTH TRAINS mode, the switching between
LOLUX and SUPER LOLUX is not achieved smoothly.
@ When the LOLUX or SUPER LOLUxX is in use, the image defi-
nition on the screen will degrade to increase residual images,
but it is not an indication of afailure.
[Relationship between gain, iris and shutter]
0.35Lx 0.7 Lx 8 Lx [NTSC} 32 Lx 2000 Lx 4200 Lx [NTSC] 18000 Lx [NTSC]
+ FULL AUTO SHOOTING i
1/60 [NTSC] 1/240 [NTSC]
39 dB 33 dB 18dB 0dB ; 1/50 [PAL] 1/200 [PAL]
§.LOLUX| LOLUX AUTOMATIC IRIS.
F1.4 Fil F16
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