ML4832

10

Figure 8. Lamp Starting and Restart Timing

6.8

4.8

1.2

.65

0

7.5

HEAT

DIMMING

LOCKOUT

INT

INHIBIT

the lamp fails to strike or is out of socket. Typically this

time is set to be fairly long by choosing a large value

threshold. The lamps are therefore driven to full power and

A summary of the operating frequencies in the various

operating modes is shown below.

OPERATING MODE

OPERATING FREQUENCY

[F(MAX) to F(MIN)]

Preheat

2

Dimming

Lock-out

F(MIN)

DIMMING

CONTROL

F(MIN) TO F(MAX)