Directed Electronics N82900 - Manual (Page 24)

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.
b. Check the contrast and brightness settings.
2 24 4
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