NEC NP-PH1000U User Manual page 129

Selecting the lamp to be used [LAMP SELECT]
This feature allows you to select which lamp to be used.
NOTE: This option is not displayed in the Basic menu.
DUAL ��������������������� Select to use the two lamps at the same time to increase brightness�
SINGLE ������������������ Lights either lamp 1 or 2 whichever was used last� This option also selects Lamp 1 or Lamp 2 according to
the time preset with Lamp Interval�
LAMP 1 ONLY �������� Select to use the Lamp 1 of the two lamps� (Lamp 1 on the right of the rear side)
LAMP 2 ONLY �������� Select to use the Lamp 2 of the two lamps� (Lamp 2 on the left of the rear side)
TIP:
On Selecting [SINGLE] for [LAMP SELECT]
• A lamp has a property that its brightness gradually decreases with age. To keep the brightness of two lamps on the same level as
much as possible, select [SINGLE] for [LAMP SELECT].
• Lamp life will decrease when shorter lamp interval times are set within the on-screen menu. You are recommended to extend the
lamp interval time.
Setting the lamp interval [LAMP INTERVAL MODE]
This allows you to specify the time for switching between the two lamps alternately. This option is available only when
[SINGLE] is selected for [LAMP SELECT].
OFF ������������������������ Turns off the lamp interval mode setting�
12 HOURS/24 HOURS/1 WEEK
������������������������������ Select one of these three options for interval time�
NOTE:
• This function is available only when [SINGLE] is selected for [LAMP SELECT].
• Before setting [LAMP INTERVAL MODE], [LAMP SWITCHING TIME] or [LAMP SWITCHING DAY], make sure that the current date
and time is set for the projector. To set the date and time for the projector, select [APPLICATION MENU] → [TOOLS] → [DATE
AND TIME] from the menu. (→ page 156)
Setting the time for changing the lamp [LAMP SWITCHING TIME]
This allows you to set the time for changing the lamp.
Example – When [SINGLE] is selected for [LAMP SELECT] and [24 HOURS] for [LAMP INTERVAL MODE]:
This indicates the lamp is turned on.
This indicates the lamp is turned off.
Current Time
Lamp 1
Lamp 2
(*) After setting the Current Time, if the value between Current Time and Switching Time is less than five (5) minutes, the first
lamp switching instance does not take place.
Switching Time*
24 hours
24 hours
Switching Time
24 hours
24 hours
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5. Using On-Screen Menu