TECHNICAL DESCRIPTION AND OPERATING MANUAL ST131 <PIRANHA II> and ST131N
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1.3 Description of the main components
1.3.1 The main unit
Appointment of connectors and controls are shown
in Figures 1 and 2.
1
"I/O" Socket for connection of UHF converter
ST131.UHF, SHF-detector ST131.SHF, magnetic sensor
ST131.MF and infrared sensor ST 131.IR
2 "GEN" Test signal generator output (only for
ST131N)
3
"CH2" Socket for connection of probes
operating in the “ACOUSTO-ELECTRIC” channel and
magnetic sensor ST131.MF
4 "CH1" Socket for connection to the wire line adapter ST131.AWL and Telescopic antenna
1
Sound line out.
2
3.5’’ socket for headphones connection.
3
Volume knob.
4
Battery compartment covers.
5
ON/OFF switch.
6
Power supply socket.
7
USB slot.
On the bottom of the main unit comprises a screw-threaded hole for connecting the main unit
supporting block and shoulder holder, as well as labels with device number information and polarity
when inserting the batteries in the battery compartments.
Figure 1
Figure 2
Figure 1
