6-2
6.1.1. Self-diagnostic Function (Self Test)
This function checks the memory, scanner unit, and communication lines.
1. Memory Test 1. Display-system internal memory check
2. TXRX Test 2. Scanner unit check
3. Line Test 3. Communication line check
Ԙ Display-system internal memory check (Memory Test)
Checks the internal memory operating conditions.
1. SDRAM 1. SDRAM check
2. SRAM 2. SRAM check
3. Flash ROM 3. Flash ROM check
4. Graphic 4. Graphic check
If no abnormality is detected, "OK" is displayed; if an abnormality is detected, "NG" is
displayed.
ԙ Scanner unit check (TXRX Test)
Checks signals from the scanner.
Safety Switch Scanner-unit safety switch check
AZI Pulse Antenna rotation signal check
HL Pulse Heading line signal check
MH Current Check on the load current of high voltage
in the modulator
Trigger Radar trigger signal check
Video Radar image check
If no abnormality is detected, "OK" is displayed; if an abnormality is detected, "NG" is
displayed.
** is displayed when the equipment is in standby state.
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