Operation
Summary of the Features
3
3-5
Table 3-1. 732B DC Standard Front Panel Features
Item Feature Description
1 AC PWR Indicator Lights whenever the standard is connected to ac line power.
2 IN CAL Indicator Goes out to warn you when a loss of calibration may have
occurred. This indicator goes out in response to an excessive
drop in battery voltage or a gross change in oven temperature.
Once you have recalibrated the 732B, you can reset the IN
CAL indicator by pressing the recessed rear panel CAL
RESET switch.
Note
An illuminated IN CAL indicator
is not sufficient, by itself, to
indicate the 732B satisfies the
specifications of section 1-12. See
Calibration label on front of the
732B for calibration due date.
3 CHARGE Indicator Lights when the internal battery is in the constant-current
charging mode. The rear panel BATTERY switch must be in
the | position to charge the battery. When the battery is near
full charge, the CHARGE indicator goes off, and the charging
circuit goes into float-charging mode to complete and maintain
full charge.
4 LOW BAT Indicator Blinks when approximately 5 hours of battery operation time
remains. When LOW BAT blinks, plug the standard into ac
line power as soon as possible to avoid extinguishing the IN
CAL indicator and invalidating the state of calibration.
5 CHASSIS Binding Post A connection point for chassis ground. You can use this
connector when operating on battery power to ground the
chassis to the earth ground point in a system of
interconnected instruments. Another chassis ground
connection is on the rear panel.
6 GUARD Binding Post The connection point for the internal voltage guard. Refer to
the text in this section for instructions on use of the GUARD
connection.
7 1.018V Binding Post The positive connection for the 1.018V output.
8 1.018V COM Binding Post The common connection for the 1.018V output.
9 Serial Number Use this identifier in your correspondence with Fluke.
10 10V COM Binding Post The common connection for the 10V output.
11 10V Binding Post The positive connection for the 10V output.
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