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Local Operation 51
Table 4-1. Controls and Indicators (continued)
Item Description
6 FUNCTION Keys
- Returns the display to the metering function selected, the display will show the
measured input voltage and current, the computed input power, or certain status conditions (e.g.
INPUT SHORT ON, OC, etc.). Press the Meter key to continually step through the displays.
- Displays the setting for current (C:RNG) or resistance (R:RNG), depending upon
which function is selected. The settings can be changed using the ENTRY keys.
- Toggles the input on and off. Input Off disables the Electronic Load. Input On
enables the input and returns the Electronic Load to the original settings.
- Toggles the short circuit mode on and off. Short On applies a short circuit across
the Electronic Load input. Short Off removes the short circuit and returns the Electronic Load to
the original settings.
- Toggles transient operation on and off. The Tran annunciator is on while transient
operation is on. Transient operation causes the Electronic Load input to periodically switch
between two levels.
- Displays the transient level for current (C:TLV), resistance (R:TLV), or voltage
(V:TLV) depending upon which function is selected. This level can be changed using the
ENTRY keys. The input alternates between the transient level (TLV) and the main level of the
active mode (CURR, RES, or VOLT) when transient operation is turned on.
- (shifted Tran Level key)-Displays the slew setting for current (C:SLW) or voltage
(V:SLW) depending upon which function is selected. The settings can be changed using the
ENTRY keys. The slew settings determine the rates at which new programmed values will
change. Note that resistance changes use the voltage or current slew rate settings depending upon
the resistance range.
- Displays the frequency setting of the transient generator (e.g. FREQ 1000). The
setting can be changed using the ENTRY keys. The Freq setting determines the frequency in
continuous transient operation.
(shifted Freq key) - Displays the duty cycle of the transient generator (e.g. DCYCLE
50.0). The setting can be changed using the ENTRY keys. The Dcycle setting determines the
TLEV portion (percentage) of the duty cycle in continuous transient operation.
Clears the latching-type protection circuits: overvoltage, overpower, overtemperature,
and overcurrent (user programmed).
- Displays the active mode: constant current (MODE CURR), constant resistance
(MODE RES), or constant voltage (MODE VOLT). The active mode can be changed using the
CURR, RES, or VOLT key followed by the Enter key.
- Displays the main current setting (e.g. CURR 3.275). This setting can be changed
using the ENTRY keys. The CURR key also selects the CC mode (MODE CURR) in conjunction
with the MODE and Enter keys.