Philips PM3055 Operation Manual page 26

3-12E
3.2.6 Inputs and outputs
Socket : Description
CAL : Output socket providing a 1,2 Vp-p, 2 kHz
approx. square wave voltage (zero-line is at
the top of the signal). To be used for probe
compensation or to calibrate the vertical
deflection AMPL. control.
t
an Measuring earth socket. :
J\ A BNC input socket for channel A with probe
indication detector for pre-calculation in
L.C.D. of vertical deflection coefficients.
. cs
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JN EXT BNC input socket La
— When EXT input is selected via MTB or
DTB, the signal input is used for external my
triggering. : i |
— When EXT input is selected via X DEFL,
the horizontal deflection is determined by ry
the signal applied to this socket.
JN B BNC input socket for channel B with probe .
indication detector for pre-calculation in ry
L.C.D. of vertical deflection coefficients. J
3.2.7. Rear panel .
MTB gate or sweep —
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Lod
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MAT 2214
Figure 3.4 Rear view of the oscilloscope. H
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