![Nautel ND2000A-02x-xx0 Series Скачать руководство пользователя страница 25](http://html1.mh-extra.com/html/nautel/nd2000a-02x-xx0-series/nd2000a-02x-xx0-series_technical-instructions_3530251025.webp)
500 WATT RADIOBEACON TRANSMITTER
ND2000A-02x-xx0
Page 1-5
15 January 2005
Table 1-2 Technical Summary (Continued)
Weight (unpacked) ........................................................................................ Approximately 257 kilograms (565 pounds)
Dimensions
Height........................................................................................................................165 centimetres (65 inches)
Width ........................................................................................................................... 61 centimetres (24 inches)
Depth........................................................................................................................... 61 centimetres (24 inches)
Airflow ....................................................................................................................... Approximately 90 cubic feet/minute
Heat Flushing (Maximum).........................................................................................................................1000 BTUs/hour
REMOTE MAINTENANCE MONITORING INPUTS/OUTPUTS
(1) ...................................................................................................................................................Forward Power
(2) .................................................................................................................................................Reflected Power
(3) ......................................................................................................................................Modulation Percentage
(4) .........................................................................................................................Power Trim (A) and (B) Control
(5) ....................................................................................................................................................... +24 Volts dc
(6) ....................................................................................................................................................... +15 Volts dc
(7) ..................................................................................................................................................B- (A or B Side)
External Controls
(1) ..................................................................................................................... Remote System ON/OFF Control
(2) ............................................................................................................................ Voice (Press-to-Talk) Control
(3) ......................................................................................................................... Remote Standby Code Control
(4) ........................................................................................................................ 600 Ohm Balanced Audio Input
(5) ......................................................................................................................................................Standby Test
(6) ..................................................................................................................................................... Battery Reset
External Alarms/Status Outputs:
(1) .............................................................................................................................................Changeover Alarm
(2) ................................................................................................................................................ Shutdown Alarm
(3) ........................................................................................................................................................ SWR Alarm
(4) ..................................................................................................................................................... Battery Alarm
(5) .......................................................................................................................................Remote Audio Monitor
Transmitter Failure Threshold.................................................................................Changeover to Standby Will Occur If:
(1) ..........................................................................................................Carrier Level Reduces More Than -3 dB
(2) ................................................................................................... Modulation Level Reduces More Than -4 dB
(3) ...................................................................................................................................................Keying Ceases
(4) ..............................................................................................................................Incorrect Identification Code
Keying Features
- Microprocessor controlled for ease of programming
- Programmable generation of 1, 2, 3 or 4 Morse letters or numbers
- Programmable frame length of 5-16 seconds
- Programmable sequence repetition
- Programmable standby codes
NOTE
:
Technical specifications established at 500 watts RF power into a 50-ohm load unless otherwise specified.