Signal To Noise - HP 4937A Operating And Service Manual

model 4937A
NOISE
3-47, SIGNAL TO NOISE
transmitter
1. Press MEAS SELECT key to select SIGNAL/NOISE.
2.
Press DISPLAY-TRMT
to
display
the transmitted
signal.
3. Adjust OUTPUT LEVEL control to change the 1004 Hz
the transmitted level point).
TRMT indicator will be on.
signal to data level (usually 13 dB below
receiver
1, Press MEAS SELECT key to select SIGNAL/NOISE.
2 press DiSPLAV.-RCV to display the received signal. RCV indicator will be on,
. Min as dB in the right display. The received level is displayed in the left
3
, Read the signal to noise ratio as dB in 9
display.
Note
Err
07
indicates the received 1004 Hz
dBm or exceeded +16dBm-
tone has dropped below
'46