Model 865-A Deep Sea Acoustic Release/Transponder M-855-009
Benthos, Inc.
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(Rx) to the transmit frequency of the 865-A. The receive and transmit frequencies are written on
the external label of the 865-A.
b. Send a single transpond from the deck unit. The release should reply once simultaneously. Place
your finger on the transducer and you will be able to actually feel the transmission.
Actuation and Test Switch, shown in the HOLD-EXTEND position
Figure 4-1