JVC Gzmg21u Instruction Manual

EN 21
While recording
●You can zoom up to 32x by using the optical 
zoom.
●Digital zoom (
pg. 18) is not available.
If the continuous shooting mode is set to on, 
keeping the REC/SNAP button pressed in 
step3 (
pg. 20) provides an effect similar to 
serial photography. (Interval between still 
images: approx. 0.3 seconds)
Preparation:
●Set the power switch to  .
●Set the MODE switch to  .
Set the [CONTINUOUS SHOOTING] to 
[ON]. (
pg. 55) 
●Continuous shooting may not work well 
depending on the recording...

22 EN
Controls in this section
Manual Recording
About manual recording mode
This mode enables you to set the focus and 
screen brightness manually. You need to switch 
to this mode because auto recording mode, 
which adjusts these settings automatically, is 
selected by default.
To change to manual recording mode
Preparation:
●Set the power switch to  .
●Select the file type (video or still image) using 
the MODE switch.
The  indicator appears.
To return to the auto recording mode
Press the AUTO button...

EN 23
MSET Menu
MenusSettings ([  ] = Factory-preset)
AE 
(Manual Exposure)
Adjusts the brightness.For video recording
[AUTO]: The brightness is adjusted automatically.
–6 to +6: Corrects the brightness within this range in increments of 1. 
Use  /  to set the value.
For still image recording
[±0]: The brightness is not adjusted.
–2.0 to +2.0 (EV): Corrects the brightness within this range in 
increments of 1/3EV. Use  /  to set the value.
To lock the exposure
When the menu disappears after you finish...

24 ENManual Recording (Continued)
MSET Menu (Continued)
MenusSettings ([  ] = Factory-preset)
S.SP
(Shutter Speed)
A fast shutter speed 
can freeze the motion 
of a fast-moving 
subject, and a slow 
shutter speed can blur 
the subject to give the 
impression of motion.[AUTO]: The shutter speed is adjusted automatically.
1/2 to 1/4000 (For video recording) /
1/2 to 1/500 (For still image recording):
The smaller the value, the faster the shutter speed. Use  /  to set 
the value.
NOTE:It is recommended to...

EN 25
The shutter speed is automatically adjusted 
from 1/2 to 1/30 seconds. It enables recording 
with little light in dim locations.
After performing “To change to manual 
recording mode” (
pg. 22)
The   indicator appears.
To cancel nightalive
Press   (NIGHT) so that the   indicator 
disappears.
Backlight compensation brightens the subject 
quickly. With a simple operation, dark portions 
of the subject are brightened by increasing the 
exposure.
After performing “To change to manual 
recording mode”...

26 ENVideo Playback
To return to the index screen
Press INDEX when playback is paused.
To adjust the speaker volume
During playback, slide the speaker volume control towards + to turn the volume up, or towards – to 
turn the volume down.
To turn the date display on/off
Set [DATE/TIME] to [ON], [AUTO] or [OFF]. (
pg. 52)
To check the file information
Press INFO when playback is paused. (
pg. 37)
NOTES:●The playback picture can be viewed in the LCD monitor or on a connected TV. (
pg. 32)
●At the junctions...

EN 27
To resume normal playback, press 49.
 ●Pressing  /  repeatedly increases the 
search speed. (–60x to +60x) 
●Pressing  /  repeatedly advances or 
reverses the still picture frame by frame.While playback is paused
You can magnify the playback image up to 5x.
While playback is paused
●Press  / / /  to move to the magnified 
area you want to view.
●To zoom out, slide the zoom lever towards W.
Various Operations during Playback
Still playback (Pause)
Search playback
Locating the start point of the file...

28 ENVideo Playback (Continued)
One-touch operation enables you to switch the 
index screen to the date index screen or event 
screen for the convenient file search.
To change the display
On the index screen
Each press switches the screen.You can search the desired file by the recording 
date.
After displaying the date index screen in “To 
change the display” (
pg. 28)
File Search Function
Date index 
screenEvent 
screen
VIDEO 53/53 
Index 
screen
Date Index Screen
1Select the recording date.
2
3
Select...

EN 29
You can search the desired file by the event that 
you registered the file to when recording. 
(
pg. 17) After searching by the event, you 
can search by the recording date to narrow 
down the search.
After displaying the event screen in “To 
change the display” (
pg. 28)
To change the event registration of a file 
(
pg. 41)If data cannot be recorded properly, the video 
files are saved to the [EXTMOV] folder. 
(
pg. 17)
1 Press the REC/SNAP button while the 
index screen is displayed.
2 After...

30 ENStill Image Playback
To return to the index screen
Press INDEX.
To turn the date/time display on/off
Set [DATE/TIME] to [ON], [AUTO] or [OFF]. (
pg. 52)
To check the file information 
Press INFO when playback is paused. (
pg. 37)
One-touch operation enables you to switch the index 
screen to the date index screen for the convenient file 
search.
●The event screen cannot be used for still images.
For details on operations, see page 28.
File Search Function
12
LIGHT/INFO
3
INDEX
Press  / / /  to...