TM 11-239 RADIO SET SCR-203 3-7 2. Power. —a. Input. —The power required to operate the trans mitter is supplied by a hand generator and dry batteries, and that required to operate the receiver is supplied by dry batteries. b. Output. —The transmitter has a nominal rating of 7.5 watts. 3. Nature of transmission and reception. —The set transmits and receives the following : a. Continuous-wave telegraph, hereafter abbreviated as "c. w." &. Tone-modulated, continuous-wave telegraph, hereafter abbrevi ated as "tone." c. Voice-modulated, continuous-wave telephone, hereafter abbrevi ated as "voice." 4. Distance ranges.—The approximate ranges of this set in miles are given in a and & below. (See par. 19.) The ranges given in & imply movement on some means of transport other than a pack animal ; for example, it may be expedient to transport the entire set on its frame in a truck.
DesignationTM 11-239
EditionJan 1941
StatusSuperseded
Pages40
FunctionComms Signal
CollectionHistoric
Public domain (U.S. Government work)