Chroma 62020H-150S Operating & Programming Manual page 121

Key in at least 5 digits for each calibration point to ensure the Power
Supply accuracy after calibration.
3.3.7.5.3 Calibration Procedure (Example: Model 62150H-600S)
1. In the CALIBRATION page, press "
= 5.
ENTER
2. Press " " to display the current calibration options as shown in Figure 3-131.
C H E C K A P G C O N N E C T I O N
( S E T ) I N P U T
A C T U A L A P G
( S E T ) I N P U T
A C T U A L A P G
3. Insure the interface connection on the rear panel is correct and then press "
confirm.
4. Input a 0.5V voltage signal on Pin 17. The cursor stops at position [1] as shown in Figure
3-132. Adjust the Power Supply to 0.5V±0.2V and use DVM1 to measure the reading of
the Power Supply. Input the voltage read by DVM 1 and press "
C H E C K A P G C O N N E C T I O N
( S E T ) I N P U T
A C T U A L A P G
( S E T ) I N P U T
A C T U A L A P G
5. Press " " again and input an 8.0V voltage signal on Pin 17. The cursor stops at
position [2] as shown in Figure 3-132. Adjust the Power Supply to 8V±0.2V and use
DVM1 to measure the reading of the Power Supply. Input the voltage read by DVM1 to
position [2] and press "
6. Press " " again and the system will set the output voltage of Pin 19 on the rear
panel to 0.5V and the cursor stops at position [3] as shown in Figure 3-133. Input the
voltage read by DVM2 to position [3] and press "
5
" or turn the "Rotary" (
[ A P G C U R R E N T C A L I B R A T I O N ]
A N D
V O L T A G E F O R
I N P U T
V O L T A G E F O R
I N P U T
Figure 3-131
[ A P G C U R R E N T C A L I B R A T I O N ]
A N D
V O L T A G E F O R
I N P U T
V O L T A G E F O R
I N P U T
Figure 3-132
ENTER
" to confirm.
P R E S S [ E N T E R ] _
S E T T I N G = 0 . 5 V
V O L T A G E = 0 . 0 0 0
S E T T I N G = 8 . 0 V
V O L T A G E = 0 . 0 0 0
ENTER
P R E S S [ E N T E R ]
S E T T I N G = 0 . 5 V
V O L T A G E = 0 . 0 0 0 _ V
S E T T I N G = 8 . 0 V
V O L T A G E = 0 . 0 0 0
ENTER
" to confirm.
Manual Operation
) knob to set CHOICE
V
V
ENTER
" to
" to confirm.
[ 1 ]
V
[ 2 ]
3-73