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IN
Ground
-1.35
v
_,/
Frequency Control Voltage. In
a) A voltage proportional to the posi-
tion of the pointer on the frequency
scale or
b) A voltage equal to the frequency con-
trol input voltage when the 2010 is
driven in the "Ext. Volt" mode. The pin
connections of the sockets are shown in
Fig.2.4.
OUT
Ground
Frequency Control Voltage. Out
171412
Fig.2.4. Pin connections of the Frequency Control Voltage sockets,
(Viewed Externally)
EXT. 8 & T PROGRAM:
SWEEP DRIVE GEAR:
OVERLOAD AND FREQUENCY
MARKING:
16
An eight pin socket for remote control
of the Bandwidth and/or Effective Aver-
aging Time (See section 4.6.2.).
A screwdriver operated switch which
selects a 10:1 gear box to reduce the
frequency scanning speed when driven
by an external mechanical drive. This
enables the drive shaft cable to rotate at
a faster relative speed to reduce the
effect of mechanical sticking and ensure
a smooth response.
A 7 pin socket for connection to the
Type 2305 or 2307 Level Recorder. The
Event Marker Pen registers either an
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