EXTECH
INSTRUMENTS
12
HDV540
‐
en
‐
US_V1.0
12/15
9.5
Image
and
Video
Files
Use
this
menu
to
view
the
stored
images
and
videos
on
the
main
unit
display.
From
the
main
menu,
use
the
arrow
buttons
to
scroll
to
the
File
Management
icon
and
press
OK
to
open
it.
Use
the
up
and
down
arrow
buttons
to
scroll
through
the
available
image
and
video
storage
folders
and
files.
Folder
names
are
derived
from
the
Date
(e.g.
20100930)
and
the
file
names
are
derived
from
the
Date
and
Time
(e.g.
20150603153843).
Press
the
OK
button
to
open
a
folder
or
file.
Folder
and
File
Symbols:
Folder
Video
in
AVI
format
Photo
in
jpg
format
Use
the
arrow
buttons
to
highlight
an
image
or
video
and
press
OK
to
view
it.
For
video,
use
the
arrow
buttons
(short
press)
to
restart
video,
long
presses
of
the
arrow
buttons
fast
‐
forward
(up
arrow)
or
fast
‐
rewind
(down
arrow);
use
the
OK
button
to
Pause/Resume.
Use
the
VIDEO
button
(2)
to
open
the
trash
utility.
Use
an
arrow
button
to
highlight
the
check
mark
(delete)
or
the
‘X’
(keep
video);
press
OK
to
complete
the
function.
Tip:
Enter
the
image
or
video
review
mode
from
the
main
operating
display
by
pressing
the
up
arrow
button
without
having
to
access
this
function
menu.
Use
the
arrow
buttons
to
scroll
the
folders
and
files
and
use
the
OK
button
to
open
an
image
or
video.
Restart,
fast
forward/rewind,
trash,
and
pause/resume
functions
operate
in
the
same
way
as
described
in
this
section.
10.
Maintenance
10.1
Cleaning
The
system
is
supplied
with
a
lens
cloth
and
lens
swabs
for
cleaning
the
camera
lens.
A
damp
cloth
can
be
used
to
wipe
the
main
unit
and
the
camera
snake.
Do
not
use
abrasives
or
solvents
to
clean
any
part
of
the
system.
10.2
Battery
Replacement
The
internal
rechargeable
battery
is
not
user
serviceable.
Please
contact
Extech
for
replacement
services.