Philips PM3055 Operation Manual page 48

60 mhz dual time base oscilloscope
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6-3E
TB MAGN:
Fixed expansion of the TIME/DIV setting by a factor of 10. Now the portion of the signal
formerly displayed over a width of one division occupies the full width of the screen (10 DIV.).
TB MAGN
OFF
5 us
10 DIV.
Pasa START
OF TIME
WINDOW
CAN
BE VARIED
WITH
THE
CONTROL
X-POS.
OVER
THE
WHOLE
-
SWEEP
RANGE
50uS
ag
ee
Se
OURS nce
en
dee
ee
JOO DIV.
MAT 1619
841012
TRACE SEP: Control! to adjust the vertical distance between the traces of MTB and DTB signals, provided
that ALT TB is selected.
MTB
| |
|
|
| INTENSIFIED
TRACE
SEP
OTB
MAT 2145
TRIG: Trigger mode. The MTB starts upon a signal derived from a selected trigger source (A, B, EXT, or
LINE). The DTB starts after the selected delay time upon a signal derived from a selected trigger source
(A, B or EXT). The MTB or DTB will not run without trigger pulses.
TRIG VIEW: The signal on which the MTB triggers, is displayed on the screen. Can be used for:
Third vertical channel facility when EXT triggering of the MTB is selected and a signal is applied to the
EXT BNC socket.
~— Observation of the level of the trigger signal at which the MTB starts. This trigger level can be adjusted
by the LEVEL control.
— Observation of the internal trigger sources.
Pre-determining the d.c. trigger level without the aid of an input signal, when SINGLE is selected.

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