Agilent Technologies E4418B User Manual page 163

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E4418B Power Meter User's Guide
Serial Diagnostic
Press this softkey to access a diagnostic menu for the serial interface
(RS232/RS422). This softkey is greyed out if GPIB has been selected as the
remote control interface.
• Tx Break
Press this softkey to transmit a break sequence from the serial port to
the external receiver.
• Status
Press this softkey to produce a screen showing the state of the UART line
and modem status registers. If the Xon/Xoff handshake is enabled, the
screen also shows the state of Rx and Tx.
• Reset
Press this softkey to reset and initialize the UART and to flush both the
receiver and transmitter buffers.
• Interface Overview
Press this softkey to produce a screen showing a summary of the remote
interface configuration.
Battery
This softkey is only present on power meters fitted with the battery Option
001. It is greyed out when the battery is not installed.
Press this softkey to produce a screen which shows:
- How much charge the battery is holding
- The approximate running time left under battery power.
- Either, "Using AC power" (if the battery is fully charged), "Charging
battery" or "Using battery power" as applicable.
This softkey also accesses the Battery menu which allows you to set the
display backlight to On, Off or Timed mode. In Timed mode, the backlight
turns off 10 minutes after the last key is pressed. To turn the backlight on
again, press any key. While operating with AC power connected, these keys
are grayed out and the backlight is permanently on. On instrument preset,
the Backlight is set to "On"
• Backlight On
Menu Reference 3
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