Remote Control - BRUEL & KJAER 1022 Instructions And Applications

Beat frequency oscillator

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corresponds to the distance between the 1000Hz REF. SIGNAL and

20 Hz marks on the 1 022.

12.

Depress 1000Hz REF. SIGNAL button and adjust the output level

from the 1022 and/or the INPUT ATTENUATOR of the Level Re-

corder so that the stylus deflects to somewhere in the middle of the

paper.

Continuous Recording with ten Times Enlarged Paper Speed

The following method is adopted: Set the "1 :10 Synchronizing Gear

Lever" in its inner position (released). The paper drive speed then corres-

ponds to the

large numbers

marked around the PAPER SPEED knob. Re-

cording on frequency calibrated paper is not possible in this position. The

start and stop of the recording will in this case be completely controlled by

means of the PAPER DRIVE switch.

G. REMOTE CONTROL

Several forms of remote control are possible with the 1022. A diagram

showing the connections of the Remote Control plug is shown in Fig.4.4.

Internal

Fig.4.4.

Ground

Oscillator Stop

External Modulation

Magnetic Clutch

17ao'J8

Remote Control Plug viewed externally

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