Instruction Manual Section 4: Display and Operation
LIQ-MAN-56 April 2017
Display and Operation 33
functions. To find a menu item, use the directional Navigation keys to highlight a menu
item. Press ENTER/MENU and simply direct the cursor to the desired operation and follow
t
he screen prompts. Pressing the BACK screen control available on some menu screens will
revert to the immediate previous menu screen. Pressing the EXIT key will return to the
previous hierarchical menu level.
Fault and Warning banner:
If the analyzer detects a problem with itself or the sensor the word Fault banner (red) and/or
Warning banner (yellow) will appear at the bottom of the main display. A fault requires
immediate attention. A warning indicates a problematic condition or an impending failure.
For detailed troubleshooting assistance, press INFO.
4.5 USB Data Port
The 56 menu system is similar to a computer. A USB 2.0 data port is accessible on the front
panel of the 56 instrument. The USB data port can be used for download of measurement
data and events using a USB memory device. It can also be used to download and upload
complete analyzer configurations to copy all programmed settings to another 56 analyzer.
NOTE: only 56 units which display the “Transfer Configurations” tab under the Data Storage
and Retrieval menu are capable of downloading and uploading analyzer configurations.
The USB data port is easily accessed by inserting a coin in the vertical slot of the cover and
rotating counterclockwise one quarter turn to remove the cover and Type 4 seal.
Caution: not all USB memory devices will physically fit into the 56 data port. After removing
the USB cover and seal, make sure that the USB memory device can be easily and fully
inserted into the USB data port without any mechanical conflict with the USB data port
flange. The USB communications port is protected by a Type 4-rated seal and cover. Do not
remove the cover during cleaning of the analyzer housing. Never remove the USB port cover
when the instrument is operated in a hazardous rated area.
NOTE: the data logger and event logger are disabled by default setting upon initial startup
from the factory. Always enable the data logger and event logger under the “Data Storage
and Retrieval” menu to initiate internal recording of process data and event data.
4.6
56 Data Logger and Event Logger Download
Procedure
4.6.1 Description
The 56 supports download of stored data logger and event logger data at the device. The
download process is performed using a USB 2.0 flash drive memory device inserted into the
USB data port on the front panel of the 56 analyzer. The data can be uploaded to a PC for
viewing in preformatted EXCEL tables.
4.6.2 56 Data Logger Download Procedure
1. From the main menu, select Data storage and retrieval.
2. Select the Download tab.
3. Select “Download measurement” data.
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