Operating Basics
2–2
1710J-Series Waveform Monitors
There are four push-button switches that have functions that are accessed by
holding the switch down for approximately one second. These functions are
identified by a blue box surrounding the front-panel label. When exiting a held
mode the selection reverts to the top of the list at the touch of the push button,
with the exception of the REF switch, which returns to its previous setting.
1. FILTER. The filter switch toggles through three positions, FLAT, LPASS,
and CHROMA. In 2 LINE or 2 FLD SWEEP, a combination filtering
routine, consisting of Low Pass and Flat for alternate lines or fields, can be
accessed by holding the FILTER switch in. In the dual filter mode, the low
pass filtered line or field will always be on the left; lines are overlaid in
1 LINE SWEEP. The dual filter cannot be accessed when the 1710J-Series is
in AB switching. If AB switching is selected after the dual filter mode is
selected, both lines or fields will be low pass filtered.
Filtering always returns to FLAT when coming out of the combination
filtering routine.
2. REF. The reference switch toggles between internal and external reference.
The calibrator is accessed by holding in the REF switch. Instrument status is
retained in memory when CAL is selected and the original status restored
when you push the button again. All front-panel lights, except SWEEP and
MAG, go out and GAIN goes to X1 when the calibrator is selected. The X5
is not usable with the calibrator. (Note that MAG and SWEEP are switchable
in the calibrator mode, but revert to their previous setting when the mode is
exited.)
3. CH A - CH B. Toggles between the Channel A and Channel B input. When
held, the 1710J-Series goes into an AB (BOTH) alternate mode, with the A
input on the left and the B input on the right in 2 Line or 2 Field (lines are
overlaid in 1 Line sweep). When in the AB switching mode the REF is
forced to EXT, the FILTER is forced to LPASS, if it was in the LPASS-
FLAT switching mode; if not the FILTER remains in the previous. Both
functions go back to their previous setting when the input is switched out of
AB. When leaving BOTH the input always returns to CH A.
4.
GAIN.
The gain switch toggles between X5 and off. An LED indicator lights
when X5 is selected.
5. POSITION. The vertical position knob controls the up and down movement
of the display.
6. MAG. The magnifier switch toggles between on and off. It operates in
conjunction with the SWEEP mode to provide usable sweep rates as follows:
2 LINE + MAG = 1
m
s/div
2 FLD + MAG = 1 full vertical interval
Содержание 1710J Series
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