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|  MIL-G-48438A(MU)
the switch in the "on" position the green indicator shall glow.
4.3.12.1.4 +28.0 VDC and internal power supply.- When +28.0 0.l VDC is
applied to pin J4A with J4C as a return the voltages for the power supplies
shall be capable of being adjusted. The values as shown below.
PS1
To + 15.000 0.050
VDC
PS2
To - 15.000 0.050
VDC
PS3
To + 5.000 O.050
VDC
PS4
To - 28.000 0.100
VDC
PS5
To + 115.0 VAC
4.3.12.1.5 +24.0 and +30.0 VDC input voltage.- When input voltages
of 24.0 -00 and 30.0 +0.0 VDC are applied and the adjustment for 4.3.12.2
unchanged, the respective power supply voltages shall be as shown below.
Ps1
+15.000
0.250 VDC
PS2
-15.000
0.250 VDC
PS3
+5.000
0.250 VDC
PS4
+28.000
0.300 VDC
PS5
115.0
2 VAC
4.3.12.1.6 Low voltage indicator.- When the input voltage is
23.8 0.2 VDC the power "on" portion of the on/off switch shall blink.
4.3.12.2 STG/VADS input interface indicators.
4.3.12.2.1 Radar mode. - With STG power on and no signal input on
connector J1 or J2, observe that the radar mode indicator lights.
4.3.12.2.2. Manual mode. - With +28.0 0.5 VDC applied to J1-f
J1-s as the return, the manual lamp shall be on and the radar mode light
shall extinguished.
4.3.12.2.3 Radiate. With +28.O O.5 VDC applied to J1-W and J1-s as
the return, the radiate indicator shall light.
4.3.12.2.4 ATD on. - With the voltage applied as in 4.3.12.2.3, place
both crosshairs of meter M4 in the 15 mil reticle by using the crosshair
adjust switch and console boresight potentiometer. The ATD and lock-on
indicators shall light.
4.3.12.2.4.1 ATD off. - Subsequent to 4.3.12.2.4, with the +28.0
+0.5 VDC applied to J1-b and J1-s as the return, the ATD indicator shall
not light.
4.3.12.2.5 RTF off.- With +28.0 0.5 VDC applied to J1-v and J1-s
as the return, the RTF indicator is out.
+28.0 0.5 VDC applied to J1-q, the RTF indicator shall light.
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