Tektronix TCPA300 SERIES, Instruction Manual

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TCPA300 and TCPA400 Performance Verification
TCPA300/400 Amplifiers and TCP300/400 Series Current Probes Instruction Manual
5- 5
Front-Panel Display
The status and error LEDs on the front panel are illuminated briefly during the
amplifier power-on sequence. Verify that all LEDs are functional by doing the
following procedure:
1. Power-cycle the amplifier and check that the LEDs shown in Figure 5--1
light briefly. Note that the PROBE DEGAUSS AUTOBALANCE and
OVERLOAD LEDs are multi-color:
a. The PROBE DEGAUSS AUTOBALANCE LED lights in an
orange
→
red
→
green sequence.
b. The OVERLOAD LED lights in an orange
→
red
→
green sequence.
c. The MANUAL BALANCE LED is orange, and lights briefly.
d. The RANGE and COUPLING LEDs are green, and light briefly.
2. Record the results (pass/fail) on the test record.
Verify LEDs light
Multi--color LED
Multi--color LED
Verify LEDs light
Figure 5- 1: Check LED functionality