GRAPHTEC GL820 Service Manual page 26

(5) Press the [ENTER] key to start the Setup1 (Basic) operation.
(6) The "GND : [START]" message is displayed at the location shown above.
(7) Input "0.000mV" to the input terminals of channel 1.
(8) Press the [START] key and then wait until the
Specify the voltage generator's output voltage setting to correspond to one of the displayed voltage
ranges in the following table, and then input that voltage to the GL820.
Message
GND
20 mV
50 mV
100 mV
200 mV
500 mV
1 V
2 V
5 V
10 V
20 V
50 V
(9) Repeat step (8) by sequentially setting the Measure parameter to 50 mV, 100 mV, 200 mV, 500 mV, 1 V,
2 V, 5 V, 10 V, 20 V and 50 V, and then inputting the corresponding voltage.
GL820-UM-251-9370
Message
"20 mV :
Input Voltage
0.000 mV
20.000 mV
50.000 mV
100.000 mV
200.000 mV
500.000 mV
1.000 V
2.000 V
5.000 V
10.000 V
20.000 V
50.000 V
[START]" message appears.
4-6
4. SETUP PROCEDURES