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Sec~ion
3
TTS
58AXPJ
Model
58BXPJ
3.2
/
3-2
SECTION 3
OPERATION
a.
Model58BXPJ: Open compartment
door and pull
out
power cord perma-
nently attached to Model 58BXPJ
.
b
.
Model 58BXPJR
:
Connect
and
secure connector
end of
cable to the
Model
58BXPJR
receptical located
on rear
.
(Cable is supplied
with
the
Model 58BXPJR)
.
c.
.TTS 58AXPJ
:
Connect
AC power
cord to commercial power outlet.
IMPORTANT
Internal 115/230 V ac sel-
ector switch is set to 115 V
ac at factory.
For 230 V
ac operation, set must be
removed
from
case and
slide switch activated to
desir
ed
position.
d
.
Model 58BXPJ, Model 58BXPJR:
Insert
310
plug
on other end
of cable
into 58B jack designated 58BXPJ
power.
In the case of the Model
58BR, the power jack is available
on.
rear of set as
well
as on front
panel
.
e.
Turn power switch on
.
TTS 58AXPJ:
If
used
with
TTS58A
Impuls
e
Counter, patch between 310
jack designated TTS 58A power
located on TTS 58AXPJ front panel
to TTS 58A
310
POWER jack desig-
nated -48V POWER
.
Negative
voltage appears on the tip and sleeve
is ground
in
all cases
.
This feature
provides for
operating
the TTS 58A
off commercial power if desired
.
f
.
Apply power to the TTS
58A.
Model 58B or Model 58BR
.
(See Model 58B, Model 58BR or
TTS 58A operating instructions.)
3. 3
Connect the
external
line to b
e
tested
to the
310
LINE jack
or
to
the
TIP
-RING-
SLEEVE binding post
of the phase measuring
set.
3. 4
If
the connection is to be dialed:
a.
Connect a dial or tepephone
3.5
set to the
310
jack designated DIAL
.
b.
Place FUNCTION switch to DIAL
position
.
(This transfers the
LI
NE
terminals to the DIAL jack)
.
c.
Activate toggle switches for
desired functions i.e. TERM, HOLD,
MEAS.
PHASE.
d
.
Dial the desired number
.
e
When line connection has been
established,
place FUNCTION
switch to TEST (1000Hz) position
.
NOTE
:
Test frequency dialed
.
must be
1000H
z
±10%
.
f.
The dial may now be
remove
d
.
The internal hold circuit
will
main-
tain the connection
.
TO MEASURE PHASE JITTER
a.
With .the switch in the READ
position, slowly rotate the control
R30, (located near the meter) over
it
1
s
entire
range until frequency
lock is indicated and then carefully
adjust for minimum reading. Read
phase jitter in peak to peak degrees
directly on meter
.
NOTE:
Frequency lock is indicated
when
meter reads on
scale.
If
unable to adjust for frequency
loc
k,
follow steps (b)
and
(c).
J
..J
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