Transmission measuring set for alignment of telephone circuits
Operating Test Capability
Signal generator; input p10 to m60 dbm calibrated for 600 impedance 10 db steps available on step attenuator, voltmeter; output 1000 cycle tone, m35 to p10 dbm in one db steps into 600 ohms, total harmonic distortion reads from p3 to m20 dbm weighed noise reading