User Manual California Instruments
CSW Series 135
8.1.1.6 DC TESTS
If the output voltage is set for 24V DC or 14V DC the DO-160 DC Main selection screen will
appear as seen in Figure 8-10.
Figure 8-10: DO-160 DC Main Menu
Note: Prior to test selection the Standard selection and Category selection are required. Use
the shuttle to select Standard RTCA or EUROCAE. Also, select equipment category A, B or Z.
8.1.1.6.1 Normal State Test
Scroll to the NORMAL STATE entry using the up and down cursor keys. Press the ENTER key
to select the NORMAL STATE screen. The screen will appear as shown in Figure 8-11.
Figure 8-11: Normal State
The DO-160 NORMAL screen has the following tests:
1. VOLT MIN
2. VOLT MAX
3. VOLT UNDER
4. VOLT SURGE
5. POWER INTERRUPT
The above tests can be selected by scrolling to the highlighted selection using the up and down
key and the ENTER key to start the selected test. For some of these tests, numeric data entry
may be required to define the test number or the modulation rate.
VOLT MIN
Standard Categories
A and Z B 28V / 14V
RTCA 22.0 22.0 11.0
EUROCAE 22.0 25.1 12.5
Table 8-13: Normal Voltage Minimum
This test will change the output voltage from 28V or 14V to 22V or 11V. The test will last for 30
minutes. The (backspace) will terminate the test at any time.
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