Directed Electronics OHD900 用户手册
A
Appppeennddiixx A
A –
– C
Clleeaanniinngg
C
CL
LE
EA
AN
NIIN
NG
G T
TH
HE
E L
LC
CD
D S
SC
CR
RE
EE
EN
N
CCA
AU
UTTIIO
ON
N:: To avoid possible shock hazard and equipment damage, be sure the LCD sys-
tem is turned off and unplugged from the main electrical outlet before cleaning.
CCA
AU
UTTIIO
ON
N:: Do not use any form of solvents on the LCD screen or enclosure.
1. Use a soft, clean & dry cloth to gently wipe off the dust on the LCD screen.
2. Use a clean cloth dampened with water to wipe off the dirt.
3. Do not exert excessive force when cleaning the LCD screen.
C
CL
LE
EA
AN
NIIN
NG
G T
TH
HE
E E
EN
NC
CL
LO
OS
SU
UR
RE
E::
1. Use a soft, clean & dry cloth to gently wipe off the dust on the enclosure.
2. Use a clean cloth dampened with water to wipe off the dirt.
3. Do not exert excessive force when cleaning the enclosure.
A
Appppeennddiixx B
B –
– TTrroouubblleesshhoooottiinngg
IIff tth
hee u
un
niitt ffaaiillss tto
o o
op
peerraattee n
no
orrm
maallllyy,, ttrryy sso
ollvviin
ng
g tth
hee p
prro
ob
blleem
mss u
ussiin
ng
g tth
hee p
prro
occeed
du
urreess
b
beello
ow
w.. IIff tth
hee p
prro
ob
blleem
m p
peerrssiissttss,, ssw
wiittcch
h o
offff tth
hee u
un
niitt aan
nd
d aasskk tth
hee d
deeaalleerr o
orr tteecch
hn
niiccaall
sseerrvviicceess ffo
orr aassssiissttaan
nccee.. D
Do
o n
no
ott aatttteem
mp
ptt tto
o rreep
paaiirr o
orr o
op
peen
n tth
hee d
deeffeeccttiivvee u
un
niitt aass h
hiig
gh
h
vvo
ollttaag
gee iiss p
prreesseen
ntt iin
nssiid
dee tth
hee u
un
niitt..
1. No Picture
a.
Check that all cables are connected and the LED is illuminated on the
control panel above the LCD screen.
control panel above the LCD screen.
b.
Check the contrast and brightness settings.
2
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4
© 2004 Directed Electronics, Inc.