Panasonic PT-D7700U-K Dlp Projector - English/ French - Page 73

Lamp select Two internal lamps in the projector can be used either in "DUAL" or "SINGLE" mode depending on user's needs or viewing conditions. In the "SINGLE" mode, the projector may automatically switches between one lamp and the other, or one of the lamps can be specified. LAMP SELECT LAMP1 LAMP2 SINGLE DUAL "LAMP 1": One lamp illuminates. (Lamp Unit 1 is always used) "LAMP 2": One lamp illuminates. (Lamp Unit 2 is always used) "SINGLE": One of the lamps illuminates. (The lamp with shorter operating hours is automatically selected) "DUAL": Two lamps illuminate. Note • If any of "SINGLE", "LAMP 1" and "LAMP 2" has been selected, when a currently lit lamp expires, or is turned off due to the elapsed time of lamp lighting exceeding 1500 hours (with the lamp output set at "HIGH"), the other lamp will be turned on. If "DUAL" has been selected, when either of the two lamps expires, or is turned off due to the elapsed time of lamp lighting exceeding 1500 hours, the other lamp with elapsed time not exceeding 1500 hours continues lighting. Further, if the elapsed time exceeds 1500 hours for both lamps, the projector will enter a standby state. • If only one lamp is mounted, select "LAMP 1" or "LAMP 2" according to the relevant lamp unit. In "LAMP 1" or "LAMP 2" mode, if the corresponding lamp is not installed, the other lamp will turn on. • If the lamp selection is changed, picture is muted during lamp switching execution. (7-25sec.) This time period is 4 000 hours when Long Life Lamp Units (page 100) are used. Lamp power The luminance of the projection lamp can be changed depending on user's needs or the viewing conditions. LAMP POWER LOW HIGH "LOW": Set when high brightness is not necessary. "HIGH": Set when high brightness is necessary. Note • When set to "LOW", it is possible to reduce power consumption, reduce operating noise and extend lamp service life. • "LOW" is set automatically when Long Life Lamp Units are used. 73