OHAUS T71P, Service Manual

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CHAPTER 1
GETTING STARTED
7000 Series T71 Indicator Service Manual 1-7 Ohaus Corporation www.ohaus.com
1.7 OPERATION
This section contains information on the basic operation of the Indicator. An exploded view
drawing is included in Chapter 5 which identifies all components of the indicator. The
descriptions in this manual refer to the names of the components identified in the exploded view
drawing with the numbered callout.
1.7.1 Power Supply
Both models have an Internal Universal Power Supply, 100-240 VAC / 50-60 Hz. For the
T71XW, connect the power cord to a properly grounded electrical outlet.
For the T71P, connect
the AC power cord to the power receptacle on the rear of the Bottom Housing, then connect the
AC plug to an electrical outlet.
0 % - 5 % charged
5 % - 25 % charged
26 % - 50 % charged
51 % - 75 % charged
76 % - 100 % charged
The T71P indicator can also be operated on six alkaline
batteries (not supplied) when AC power is not available.
It will automatically switch to battery operation if there is power
failure or the power cord is removed. The indicator can
operate for up to 80 hours on battery power.
During battery operation, the battery charge symbol indicates
the battery status. The indicator will automatically turn-off
when the batteries are fully discharged.
Figure 1-8. Battery charge
symbol.
1.7.2 OVERVIEW OF THE CONTROLS
Figure 1-9. T71 Display.
1.7.3 OVERVIEW OF THE DISPLAY INDICATORS
Figure 1-10. T71 Display Indicator.
7-segment, 6-digit
LED display
Control Buttons
Capacity label
window
Under, Accept &
Over LEDs
Preset Tare, Tare,
Brutto, Gross,
Memory symbols
Net symbol
Dynamic
symbol
Stable weight
indicator
Center of Zero
indicator
Negative symbol
Kilogram, Gram,
Percent, Pound, Ounce,
Pound:Ounce, Tonne,
Pieces symbols
Battery charge
symbol
Range symbol
Scale symbol
14-segment
display
Keypad