Specifications
USER’S HANDBOOK
a
UHF transmission test (Ref. Fig. 36)
UHF FREQUENCY
MEASUREMENT
UHF POWER
MEASUREMENT
MODULATION
FREQUENCY
MEASUREMENT
MESSAGE
DEMODULATION
TR, CE, CPP
PROCESSING
406 MHz
PROCESSING
406 MHz UHF Signal Processing Flowchart
Figure 36
- First UHF transmission screen
The UHF measurement
s are made every 50 seconds. The measurement results are
displayed at the same rate as the measurements are made and a decision is displayed in the
406.028 MHz for ADT406 ELT or 406.025 MHz for A06xx and S06 part.
The UHF transmissions recurrence time is measured on two UHF transmissions. At the
beginning the UHF test always is negative (UHF Neg). The measurement concerned is not
displayed.
- Second UHF measurement screen
After the second UHF transmission, the recurrence time (Tr) test must be correct.
Page 62
Mar
. 08/12










