Chroma 61705 - Page 54

Programmable AC Source 61705 User’s Manual
4-4
seconds then press ENTER, then set Vac = 0.00 and Vdc = 0.00.
The AC Source calibration steps can be done individually, but it is
suggested to follow the calibration procedure step by step (step A, step
B ...). Or it may cause output and measurement errors.
Press
SHIFT
, then

to change to next step.
In the above step C of V OUT AND MEAS. ACCURACY CALI, users should not turn on the
load. Press
ENTER
then check if the output voltage measured by DVM is 15VAC. This
step is to make sure the connection is correct.
Then go to step D. Press
ENTER
and check if the output voltage measured by DVM is
150VAC. Keyin the exact value measured by DVM, then press
ENTER
.
Press
SHIFT
, then

to change to next step.
In the above step E of V OUT AND MEAS. ACCURACY CALI, users should not turn on the
load. Press
ENTER and check if the output voltage measured by DVM is 30VAC. This step
is to make sure the connection is correct.
Then go to step F. Press ENTER and check if the output voltage measured by DVM is
300VAC. Keyin the exact value measured by DVM, then press ENTER.
Step F is the final step of V OUT AND MEAS. ACCURACY CALI. Press PAGE/EXIT to exit
that page. Then display will show as below. Press ENTER to save the calibration results.
1. Users can press PAGE/EXIT to exit to the calibration choice page at
anytime.
1. V OUT AND MEAS. ACCURACY CALI 150V RNG
C. ( ENTER ) THEN CHECK OUTPUT IS 15VAC
D. ( ENTER ) THEN KEYIN DVM MEAS. 150VAC

0.00_ V 
1. V OUT AND MEAS. ACCURACY CALI 300V RNG
E. ( ENTER ) THEN CHECK OUTPUT IS 30VAC
F. ( ENTER ) THEN KEYIN DVM MEAS. 300VAC
0.00_ V 
Press ( ENTER ) to save .
Press ( PAGE/EXIT ) not to save .