Philips PM32671 Service Manual page 199

9-1 2
Measuring oscilloscope:
0.1 Vldiv.
0.5 msldiv.
DC input coupling
Oscilloscope under
test:
Adjust the DTB t o 20 psldiv.
Select DTB mode (S2).
Measuring oscilloscope:
0.1 Vldiv.
0.5 msldiv.
DC input coupling.
Oscilloscope under test:
Adjust the DTB t o 20 p l d i v .
Select A L T TB mode
Operate the HOLD OFF control
t o avoid "double" triggering.
Measuring oscilloscope:
0.1 Vldiv.
0.5
DC input coupling
Oscilloscope under test:
Adjust the DTB to 20 psldiv.
Select A L T TB mode