Doppler Weather Radar - METNET - India Meteorological Department

Before controlling radar operations on remote mode using RCP8, radar is to be initially switched
on physically, by the procedural steps in the sequence given below. After performing these steps,
control can be taken by RCP8 with the help of LOCAL/REMOTE button on control panel of Tx
cabinet, to avoid any minor / major breakdown of the system. Power Distribution, RDA and
Transmitter Cabinets can be seen in the above Figure 1.1.
RDA Group Startup Procedure
Keep the "AIR COMPRESSOR" (QF10), the "AIRCRAFT WARNING LIGHT"(QF3)
and RADOME LIGHT (QF2) power on at all times.
Power on the equipment according to the following sequence:
1. Power cabinet: "MAIN POWER SWITCH" (QF1) ON.
2. Power cabinet: Push "Green Button" ON.
3. Power cabinet: “Receiver” (QF7) ON.
4. Power cabinet: "TRANSMITTER" (QF8) ON.
5. Power cabinet: "RDA CABINET" (QF 6) ON.
6. RDA status and control cabinet: "UPS" (A26) ON.
7. RDA Status and Control Cabinet: RVP8 computer ON.
8. RDA Status and Control Cabinet: RCP8 computer ON.
9. RDA status and control cabinet: "DAU POWER" (A2S4) ON.
10. RDA status and control cabinet: "PEDESTAL ELECTRONICS POWER" ON.
11. Transmitter cabinet: "AUXILIARY POWER" and "CABINET LIGHTS POWER"
ON.
12. Monitor the transmitter. After about 13 minutes of pre-heat the "PRE-HEAT" light
will go off and the "airflow" fault lights will illuminate.
13. Transmitter cabinet: “HV POWER” ON.
14. Transmitter cabinet: Push both "MANUAL RESET" and "FAULT DISPLAY
RESET" buttons, observe that the transmitter "AVAILABLE" light is on and the
"Fault" light is off.
15. Power cabinet: “SERVO POWER AMPLIFIER (QF9) ON.
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