Liquid Controls T350N-P - Manual (Page 5)

Sponsler, Inc. T350N-P Truck Totalizer/Printer pg. 5 Doc# MN-T350N-P
SWITCH & ADJUSTMENT DESCRIPTIONS
Power Switch: 3 amp DPDT, switches fused power to the
logic circuits of the unit.
Print Switch:
3 amp Momentary Toggle Switch, initiates print
cycle.
Sensitivity Adjustment:
Single turn potentiometer establishes required
input signal amplitude to initiate the count
sequence.
Display Bias Adjustment:
Single turn potentiometer establishes the
contrast of the display.
S0- S3-Factoring Switches:
10 position (0-9) BCD rotary, inserts the
desired calibration factor digitally with S0 as
the LSD and S3 the MSD.
S4-Pre-scale Switch:
10 position (0-9) BCD rotary, provides the
proper divider for decimal point placement in
the Calibration factor. Position 1=1; 2=10;
3=100; 4=1000; 5=10000
S4-Position 9 = Self Test:
Allows the totalizer’s microprocessor to
perform internal tests on the built- in RAM and
ROM.
S5-Decimal Point Selection:
10 position (0-9) BCD rotary, position
corresponds to the number of digits to the right
of the decimal point.
Signal Input LED:
Flashes to indicate that input signal is present
(at higher frequencies the LED will appear to
be constantly illuminated.)
A & B LED:
Flash during ‘self-test’ to denote that
microprocessor is testing.
VR101:
Single turn potentiometer, adjusts darkness of
print.