1730–Series Introduction
1–11
Table 1–7: CRT Display
Characteristic Requirement Supplemental Information
CRT viewing area 80 X 100 mm
Horizontal = 12.5 div
Vertical = 170 IRE units (1.19 V)
Accelerating potential Nominally 13.75 kV
Trace rotation range Greater than ±1° from horizontal Total adjustment range is typically 8°
Graticule Internal, variable illumination
Table 1–8: Power Source
Characteristic Requirement Supplemental Information
Mains voltage range 90 – 250 V Continuous range from 90 to 250 VAC
Mains frequency 50 or 60 Hz
Power consumption 56 VA (35 Watts)
Table 1–9: Environmental Characteristics
Characteristic Requirement
Operating temperature 0 to 50 °C (+32 to 122 °F)
Storage temperature –40 to 75 °C (–40 to 158 °F)
Operating altitude To 15,000 feet (4572 meters)
Storage altitude To 50,000 feet (15,240 meters)
Vibration 5 minutes at 5 - 15 Hz with 0.060 inch displacement. 5 minutes at
15 - 25 Hz with 0.040 inch displacement. 5 minutes at 25 - 55 Hz
with 0.020 inch displacement. Military Specification:
Mil-T-28800D, Paragraph 1.2.2, Class 3.
Mechanical shock Non operating: 50 g’s 1/2 sine, 11 ms duration, 3 shocks per
surface (18 total).
Transportation Qualified under NSTA Test Procedure 1A, Category II (24 inch
drop).
Humidity Will operate at 95% relative humidity for up to five days. Do not
operate with visible moisture on the circuit boards.