Technical information
Table Of Contents
- TITLE PAGE
- TABLE OF CONTENTS
- INTRODUCTION
- SECTION I
- CHARACTERISTICS OF HF SSB
- ACRONYMS AND DEFINITIONS
- REFERENCES
- HF SSB COMMUNICATIONS
- FREQUENCY
- SKYWAVE PROPAGATION - WHICH FREQUENCY TO
- WHY SINGLE SIDEBAND IS IMPORTANT IN HF
- AMPLITUDE MODULATION (AM)
- SINGLE SIDEBAND OPERATION
- SINGLE SIDEBAND (SSB)
- SUPPRESSED CARRIER VS. REDUCED CARRIER
- SIMPLEX AND SEMI-DUPLEX OPERATION
- AUTOMATIC LINK ESTABLISHMENT (ALE)
- FUNCTIONS OF HF RADIO AUTOMATION
- HOW ALE ASSURES THAT THE BEST COMMUNICA-TIONS
- CHARACTERISTICS OF HF SSB
- SECTION II
- SECTION III
- SECTION IV
- SECTION V
- SECTION VI
- SECTION VII
- ITU MARITIME RADIOTELEPHONE STATIONS
- DESCRIPTION OF SERVICES
- AT&T HIGH SEAS RADIOTELEPHONE SERVICE
- AT & T COAST STATION COVERAGE MAP
- COAST STATION COVERAGE & INFORMATION
- AIRCRAFT REGISTRATION
- OPERATING PROCEDURES FOR USING THE HIGH SEAS RADIOTELEPHONE NETWORK
- AT&T HIGH SEAS COAST STATIONS
- MOBILE MARINE RADIO, INC.
- WORLDWIDE LISTING OF PUBLIC CORRESPONDENCE STATIONS
- MARITIME RADIOTELEPHONE CHANNEL DESIGNATIONS
- SECTION VIII
- SECTION IX
- SECTION X
- SECTION XI
- SECTION XII
- SECTION XIII
SYSTEM TEST
This selection allows the operator to initiate the system test, or Built in
Test (Figure 3-28). Pressing ENT starts the test. The test report
page is displayed.
TEST REPORT PAGE
SSSSSSSS state / * manual test state = PASSES, FAILS
manual-test = DISPLAY,
KEYBOARD
* Cursorable field
The state/manual-test field shows the current test in progress, until all
tests have completed. When all tests are complete PASSES or
FAILS will be displayed. If any failures occur the failure messages
can be reviewed on the Message page.
When the test has completed, the cursor can be placed on the manu-
al test field(Figure 3-29) to select from two manual test modes, DIS-
PLAY OR KEYBOARD. Pressing ENT when DISPLAY is selected,
will display three test patterns for a short period then return to the
TEST page. The test patterns are two checker-board patterns then
all pixels are turned on. If the SCAN key is pressed while the display
test is in progress, the patterns will stop changing automatically.
Pressing the SCAN key will change to the next pattern. Pressing
ENT when KEYBOARD is selected will start the keyboard test which
Operation
3-25
KHF 950/990 Pilots Guide
Rev. 0
Dec/96
SYS Test
ENT to start
Figure 3-28 System Test
TEST: SSSSSSSS
CLR to exit
Figure 3-29 Test Report Page