301A/301B/301C/301D/301E
Calibration Manual
8
Figure 2. Display Segments
When H is released, the firmware current version shows, for example, r013. F301
designates the model number.
Backlight
To verify that the backlight functions:
1. With the Product on, long press
. The backlight comes on
.
2. Long press
again to turn off the backlight.
3. If the backlight does not function correctly, repair is necessary. See Contact Fluke.
Button Test
To verify that the buttons function, turn on the Product and push each button separately. Each
button push causes the Product to beep. When you push
H, I shows on the display.
If the buttons do nothing, repair is necessary. See Contact Fluke
.
Current
To do the current test:
1. Connect the Calibrator Amp output and ground to the 50-Turn Coil. See Figure 3 for test
connections.
2. Turn the rotary switch to
?.
3. Apply the input level for each step shown in Ta b le 3 .
4. Compare the indication on the Product display with the DUT reading limits in Tab l e 3 .
If the display indication is outside of the range shown in Tabl e 3, calibration adjustment or
repair of the Product is necessary. See Calibration Adjustment.
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