JAMMING AND ANTIJAMMING Continued
FREQUENCY HOPPING OPERATION. Continued
SYMPTOM
SIG marker is lit
and showing a sig-
nal higher than 3.
You hear a con-
stant hiss or back-
ground noise in the
handset, but no
real noise or radio
traffic.
POSSIBILITIES
(1) There is a com-
promised or cap-
tured RT in your
net. The compro-
mised RT is con-
stantly transmitting
to act as a jam-
mer.
(2) There is a stuck
mike or bad hand-
set in your net that
is locked in the
transmit (push-to-
talk) position.
(3) Your RT has a
stuck handset if
you blow or speak
into the mike and
you hear sidetone.
ACTION
(1) Press handset
p u s h - t o - t a l k 2
times. If voice or
data transmissions
return, continue to
operate. Contact
NCS or refer to
SOI. Use authenti-
cation procedures.
(2) Push handset
p u s h - t o - t a l k 2
times.
Contact
NCS. Use authen-
tication
proce-
dures.
(3)
Disconnect
handset from RT
and the SIG marker
drops to LO or be-
low. Press handset
push-to-talk sev-
eral times to free
the switch. If you
reconnect
the
handset and the
SIG marker lights,
replace the bad
handset with one
that is good.
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