Owner's manual
LDX-3A
5.0: Setting up the Transducer and LDX-3A (continued)
15
M-1633/0905
The table below and subsequent diagrams explain the link functions and show the factory setting.
5.1: Option Links - Explained
Link ON Link PARKED
Link OFF
Link
Description
Options Standard Setting
Course Gain Sets the basic gain 1 link on Positron 1 to 6 Link ON Position 1
Fine Gain Adjustment between course gain ranges Potentiometer Adjustment Mid Position
Course Offset Shifts the output by a fixed amount Link ON -VE or +VE and Link ON 5V or 10V
No offset - Link Parked
No offset - Links Parked
Fine Offset Fine trim around any fixed offset Potentiometer Adjustment Mid Position
(7) Null Used during set-up to null output ON, OFF OFF
Freq. Selects transducer primary frequency Lo - ON, Hi - Parked Hi Freq. - Link Parked
Input Resistance Sets transducer secondary load 100kΩ Parked, 10kΩ - ON, 2kΩ - ON 100KΩ - Link Parked
Polarity (FR) Enables output signal direction change 2 Links across Forward or Reverse F Position - 2 Link ON
Input Gain Input Gain of x1, x2, x4 or divide 2 X1 - Parked, X2 - ON, X4 - ON, DIV2 - ON Link parked on X2
0V +VE
V OUT 0V I OUT
COARSE GAIN
FINE GAIN
COARSE
OFFSET
-VE
+VE
5V
10V
FINE OFFSET
10K
2K
- -
¦R¦
|F|
- -
DIV 2
X2
X4
G BK W R B
OUTPUT
POWER
1 2 3 4 5 6 (7)
FREQ
LO
(ON)
HI
(OFF)
NULL










