SpectraLight QC
40
Replacing the Lamps
Replace burned out lamps immediately in order to maintain the overall performance standards of the unit. We
recommend replacing lamps in complete sets. For example, if one daylight lamp burns out, replace both of them.
Lamp Type Rated Life Lamp Type Rated Life
Filtered Daylight (DL)
400 hours or after
65,000 switching
cycles
Cool White Fluorescent (FL1)
4000 hours or after
10,000 switching cycles
Horizon (HZ) TL84 (FL2)
Incandescent A (A) U30/U35 (FL3)
Ultraviolet (UV)
1. Turn off the main power switch and unplug AC line cord before proceeding.
2. For booth installations, remove the front panel.
3. Release the front diffuser latch. Lower the front of the diffuser to its opened position (vertical).
Allow time for the daylight filters or incandescent lamps to cool before handling them. Always use lens
paper or equivalent when handling the lamps. Skin oils may reduce lamp lifetime.
Tungsten-Halogen Lamps
1. Daylight Lamps Only: Holding the filter pack, push in on the fastener button and lower the daylight filter
pack. Repeat the procedure for the other filter pack.
2. Push one end of the old lamp into the spring loaded socket with pressure to release the other end from its
socket.
3. Lift the lamp clear of both sockets and discard in an appropriate receptacle.
4. Using a piece of lens paper (or equivalent) between your fingers and the lamp; push one end of the
replacement lamp into the socket. Refer to Figure 14.
5. Insert the other end of the lamp into the other socket and release the lamp. Refer to Figure 14.
6. Repeat step 2 through 5 for the other lamp.
Figure 14. Lamp Replacement
7. Daylight Lamps Only: Rotate the daylight filter pack back into position and push in on the fastener button to
secure. Repeat procedure for other daylight filter pack.
Fluorescent Lamps
1. Using both hands, rotate the lamp 1/4 turn and remove from both sockets.
2. Discard in an appropriate receptacle.
3. Install new fluorescent lamp into the sockets.
4. Repeat steps 1 through 3 for the other lamp.
Closing the Diffuser
1. Rotate the diffuser to its closed position and secure it in place with the latch.
2. Plug in the AC power and turn on the power switch to begin normal operation.
3. Reset the lamp hours using the RLAMP procedure in the User Settings section.
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