14. Maintenance
Max
Min
1
2
Image 14-9
Cooling liquid refill
1Maxlevel
2 Min le vel
3. F ill the reservoir with cooling liquid until the level is equal with the Max indication on the reservoir.
4. Close the reservoir again. Turn the filler cap cloc kw ise to close the r eserv oir.
5. Reinstall the side cover.
CAUTION: Never fill abo ve M ax level mark !
14.10 Authorization to clear security warning on the projector
When is an authorization required to clear the security warning?
If a module has been remo ved or if the sealed c ompartment has been open ed, an authorization will be required to clear the security
warning.
Necessary tools
• Security key ( Dallas iButton®).
• Authorization pin code.
Authorization procedure to clear security warning
1. E nsur e that all modules are properly installed.
2. S tart up the projector ( standby mode).
3. Initiate authorization by holding the security ke
y in the sec urity so c ke t D . .
1
1
2
3
4
5
6
Image 14-10
Keypad
The color of the backlight of the nume ric k eys 1 to 6 of the loc al keypad changes from blue to ye llow.
4. E nter pin code within 5 seconds.
146
R5906753 DPXK BLP SERIES 20/11/2017
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