Garkinhall Systems GKH 575, User Manual

8

is hanging from a pipe or truss). You should be able to see a small 
amount of light leak from the back of the fixture head. If the lamp is 
on, skip to step 7.  

3.  Strike the Lamp: 

a.  Using the menu display function, press the 

[UP]

 or 

[DOWN]

button on the LED menu display several times until it reads 

LAMP

. 

b. Press the 

[ENTER]

 button. 

c. Press the 

[UP]

 or 

[DOWN]

 button until the display reads 

ON

.  

d. Press the 

[ENTER]

 button. The lamp should turn on.  

NOTE: It takes approximately five minutes for the lamp to 
reach its full operating temperature. 

e. Press the 

[MODE]

 button to back out of the 

LAMP

 function. 

4.  Adjust the dimmer to full and focus the pan and tilt using the menu 

display Adjust function: 

a. Press the 

[UP]

 or 

[DOWN]

 button on the LED menu display 

several times until the display says 

SPEC

. 

b. Press the 

[ENTER]

 button. 

c. Press the 

[UP]

 or 

[DOWN]

 button several times until the 

display says 

AdJ

. 

d. Press the 

[ENTER]

 button. 

e. Press the 

[UP]

 or 

[DOWN]

 button several times until the 

display says 

dinr

 (dimmer). 

f. Press 

the 

[ENTER]

 button. 

g.  Press and hold the 

[UP]

 button until the display reaches the 

number 

255

. If you pass it, press the 

[DOWN]

 button until it 

stops at 

255

. The light should fade up as the dimmer opens. 

h. Press the 

[ENTER]

 button. 

i. Press 

the 

[UP]

 or 

[DOWN]

 button several times until the 

display reads 

TILT

. 

j. Press 

the 

[ENTER]

 button. 

k.  Press and hold the 

[UP]

 or 

[DOWN]

 button until the fixture 

head is focused on a white wall. (Rotate the fixture if 
necessary or go to the 

PAN

 function and adjust the value 

until it is correctly focused.) 

5.  Using the three lamp adjustment screws (labeled A, B, and C) in 

the rear of the fixture head, adjust the lamp so that it is centered 
correctly in the X, Y, and Z planes of the reflector (side-to-side and 
in and out). 

a.  Using a 4mm (5/32”) hex wrench, turn the three screws 

clockwise one revolution one at a time. Observe the spot on 
the wall while adjusting the bolts. 

b.  If the spot appears brighter as you turn each screw, keep 

adjusting them in rotation until it no longer has an 
intensifying effect. If the spot appear dimmer as you turn