Agilent Technologies Agilent 8648A Weather Radio User Manual


 
The Test Set’s Features
41
EXT SCOPE TRIGGER INPUT Connector female BNC connector to
input an external oscilloscope trigger. Maximum input level is 20 V peak.
10 MHz REF OUTPUT Connector female BNC connector outputs a 10
MHz reference signal for locking external instruments.
10 MHz REF INPUT Connector female BNC connector to input an
external 1, 2, 5, or 10 MHz reference signal.
AUDIO MONITOR OUTPUT Connector female BNC connector
provides an output from the AF Analyzer. Level is not affected by the
VOLUME control, but is affected by the SQUELCH control.
Chassis Ground Terminal provides a chassis connection. Also provides a
safety ground when DC power is used.
RADIO INTERFACE Connector (optional) 37 pin “D” style connector
for parallel and serial communications, and audio/transmitter control lines
between the Test Set and external radio equipment.
DC INPUT Connector 2-pin female connector to input 11-28 Vdc @
120W (maximum) for DC operation.
AC INPUT Connector 3-pin male connector to input 100 to 240 Vac for
AC operation.
Key and Fuse Holders
•AC/DC selects the instrument’s power source.
DC FUSE Holder 15A 250V fuse for DC operation.
AC FUSE Holder 5A 250V fuse for AC operation.