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Instellen helderheid en contrast:
De helderheid en het contrast van het beeld op de monitor-unit
kunt u als volgt instellen:
1. zorg dat er een beeldverbinding is
2. druk 1x op toets
3. gebruik de toetsen en zodat de gewenste
instelling ‘BRIGHTNESS’ of ‘CONTRAST’ geel-
kleurig oplicht
4. druk op toets
en gebruik de toetsen en
om de instelling te wijzigen
5. druk op toets , het instellen wordt beëindigd
Automatisch nachtzicht:
In de camera-unit zitten 6 infra-rood LED’s
ingebouwd. Deze LED’s worden auto-
matisch ingeschakeld als het bij de
camera-unit duister wordt en automatisch
uitgeschakeld als het weer licht wordt.
Deze LED’s kunnen objecten verlichten
tot een afstand van ongeveer 2 meter.
Let op dat infra-rood licht niet door het
menselijk oog waargenomen kan worden. U kunt dus niet met het
blote oog zien dat deze LED’s zijn ingeschakeld. Wel kan, afhankelijk
van het type infra-rode LED, een lichte rode goed zichtbaar zijn.
DOS-680
toets
Infra-rood LED’s
7


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