TM 11-6625-3041-12/TO 33A1-8-908-1
Section II
SERVICE UPON RECEIPT
3-4. SITE AND SHELTER REQUIREMENTS
Siting
The SG-1139 is designed as a portable test set for use inside
a shelter. It also-may be rackmounted in the shelter, or used
outside the shelter in all but extreme weather such as heavy
rain or blowing dust.
With its cover installed, it may be transported under any
weather conditions.
Physical
Power
104 to 127 volts ac, 48 to 420 Hz, single-phase, 50 watts
maximum.