IET Labs, Inc. RLC Digibridge 1693, User And Service Manual, Page: 27 / 171

3
1693 RLC Digibridge
Introduction
Figure 1-2: 1693 Front Display
1
4
6 2
3 5
Figure 1-3: 1693 Keyboard
7
8
14
13 10
9
16
15
17
11
12 18 19 20
Reference Name Description Function
1
RLCGZY Display Digital display, 5 numerals with decimal points
and negative sign (-) when applicable.
Display of the principal measured value. If function is
MEASURE and display section is VALUE, Number indicates
R, L, C, G, Z, or Y. If display selection is delta% or delta
RLC, indicates percentage difference or value difference
respectively of R, L, C, G, Z, or Y compared to stored
nominal value. If display selection is BIN NO., indicates bin
assignment is measured DUT. If function is ENTER, displays
are indications of programmed entries, special functions, bin
sum, status in calibration sequences, etc.
2
Units and multipliers LED indicators Indicates measurement units associated with the primary
and secondary display. Indicates “%” if display selection is
delta%. Indicates “PPM” if Q or D display selection is parts
per million.
3
QDRXBAng Display Digital display, 5 numerals with decimal points
and negative sign (-) when applicable.
If function is MEASURE, display of secondary measured
value of if display is BIN NO. blank.
If function is ENTER, RLC, QDR display together indicate
programmed entries, special functions, status in calibration
sequences, etc.
4
POWER switch Pushbutton (push again to release) Switches the Digibridge ON, button in and Off, button out.
OFF position breaks both sides of the power circuit.
5
Other display panel
indicators
LED indicators CONST I indicates that a fixed current has been selected.
CONST V indicates that measurement source resistance is
fixed at 25 ohms.
RANGE HELD indicates that the autoranging is disabled.
NOT 1kHz indicates that a frequency other than
1kHz has been selected.
RATIO indicates that the ratio mode has been selected.
6
Selected Parameter LED indicators Indicated parameter selected for primary and secondary
QDRXBAng display.