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Message
SYSTEMS: BATTERY NOT
INSTALLED
CHANNELS: FAILURE
CALIBRATION: DUE FOR RECAL
CALIBRATION: INVALID
PARAMETERS
GPIB: NOT INSTALLED
MEMORY DATA: QUESTIONABLE
MEMORY DATA: INVALID DATA
BUTTONS: [button name]
10.1.2
Start-up Error Messages
The following messages may appear after the self-test. If the recommended action fails
to correct the error, contact an Authorized Service Center (see Section 1.3, Authorized
Service Centers on page 4) for assistance.
Message
CALIBRATION EXPIRED
INVALID CALIBRATION
PARAMETERS
MEMORY QUESTIONABLE
MEMORY DATA INVALID, MEMORY
WILL BE CLEARED
10.2 Downloading Auto Logged Data
The 1529 "Chub-E4" Thermometer Readout stores up to 8,160 autolog readings or
100 demand log readings in its memory. These readings can be downloaded to a com-
puter using the RS-232 serial port.
The following steps should be followed to download logged data using the serial port:
1. Connect the 1529 to a COM port on the computer using the serial cable.
2. Run a terminal program such as Windows® Terminal or HyperTerminal®.
3. Determine how many logged readings are stored in the 1529's memory.
Recommended Action
Cycle the power.
Check that the battery is properly connected.
Replace the battery.
Cycle the power.
Check that the instrument date is correct.
Recalibrate the instrument and set the recalibration date accordingly.
Check the correctness of the calibration parameters for each channel.
Normal message if the IEEE-488 option is not installed.
Reset the memory by pressing EXIT when prompted.
Reset the memory by pressing ENTER when prompted. (This action requires that important
data such as probe coefficients be restored.
Check the stated button to ensure that it is not stuck. Loosen as necessary.
Recommended Action
Check that the instrument date is correct.
Recalibrate the instrument and set the recalibration date accordingly.
Check the correctness of the calibration parameters for each channel.
Reset the memory by pressing EXIT when prompted.
Reset the memory by pressing ENTER. (This action requires that important data such as
probe coefficients be restored.)
a. Set up the terminal program to use the correct COM port and baud rate.
Configure the communication settings to use 8 data bits, 1 stop bit, no parity
and no flow control.
b. If you want to save the downloaded data to a file, configure your terminal
program to capture the incoming text and save it to a text file. Refer to your
terminal program's documentation for details on how to do this.
Troubleshooting
Downloading Auto Logged Data
127
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