modify and add more help documents

documentation/01 _ Table of Contents.help.md

@@ -16,7 +16,7 @@ The home button can be used to return to this page at any time.
 
 + [Search List of Directories](04%20_%20Search%20List%20of%20Directories.help.md)
 
-+ [Read from Memory Card](05%20_%20Read%20from%20Data%20Card.help.md)
++ [Read Data](05%20_%20Read%20Data.help.md)
 
 + [Select SOH](06%20_%20Select%20SOH.help.md)
 
@@ -26,17 +26,19 @@ The home button can be used to return to this page at any time.
 
 + [Gap Display](09%20_%20Gap%20Display.help.md)
 
-+ [Change TPS Color Range](10%20_%20Change%20TPS%20Color%20Range.help.md)
++ [TPS Dialog](10%20_%20TPS%20Dialog.help.md)
 
-+ [Save Plots](11%20_%20Save%20Plots.help.md)
++ [Display Data Point Info](12%20_%20Display%20Data%20Point%20Info.help.md)
 
-+ [Plot Different Key](12%20_%20Plot%20Different%20Key.help.md)
++ [Save Plots](12%20_%20Save%20Plots.help.md)
+
++ [Plot Different Key](13%20_%20Plot%20Different%20Key.help.md)
+
++ [Ruler and Zooming](13%20_%20Ruler%20and%20Zooming.help.md)
 
 + [Search SOH n LOG](20%20_%20Search%20SOH%20n%20LOG.help.md)
 
 + [GPS Dialog](30%20_%20GPS%20Dialog.help.md)
 
-+ [View-Edit Database Tables](31%20_%20View-Edit%20Database%20Tables.help.md)
-
 + [Firmware Notice](40%20_%20Firmware%20Notice.help.md)
 

documentation/05 _ Read Data.help.md

+# Select Main Data Directory
+* To change Main Data Directory to where folders for different data set are nested, 
+click button 'Main Data Directory' (1). A file dialog will pop up to select the main 
+main directory.
+* The path of the main directory will be displayed in (2) box.
+* All folders under the main directory will be displayed in the directory list (3).
+* 
+<br />
+<img alt="From Memory Card checkbox" src="images/read_data/select_main_data_directory.png" height="250" />
+<br />
+<br />
+
+# Read data from selected folders:
+After selecting the option needed, users have two ways to read data from selected folders:
+* Double-click on one folder in the directory list box, the reading will be started
+* Select one by left-click on a folder in the directory list box 
+or select more than one folder by ctrl + left-click on different folders in 
+the list box, then click button 'Read Files' to start reading
+* 
+<br />
+<img alt="From Memory Card checkbox" src="images/read_data/read_files_button.png" height="200" />
+<br />
+<br />
+
+# Read data from external memory card:
+To read data from a memory card,  navigate to the desired drive by clicking on 
+'Main Data Directory' button and check the checkbox "From Memory Card".
+
+Directory List box will display "Memory Card". Click 'Read Files' to read data 
+from the memory card. *selecting 'Memory Card' in the directory list box isn't 
+necessary *
+
+There are different kinds of memory cards that can be used in SOHViewer,  eg.  SD 
+card,  CF card or flash drive.
+<br />
+<br />
+<img alt="From Memory Card checkbox" src="images/read_data/from_memory_card_checkbox.png" height="50" />
+<br />
+
+## Baler data: data/ or sdata/
+Baler data has data/ folder for main data and sdata/ folder for backup
+data.  When Baler data is selected,  the radio buttons for data/ and sdata/
+are enable for user to select one of the folder to read from.
+
+<br />
+<br />
+<img alt="data/sdata radio buttons" src="images/read_data/data_sdata_radio_buttons.png" height="80" />
+<br />
+
+## RT130
+When an RT130 folder is selected as the Main Data Directory,  the serial numbers of the 
+RT130 DASs will be listed for user to select for reading.
+
+<br />
+<br />
+<img alt="DAS in CF Card" src="images/read_data/das_in_cf_card.png" height="100" />
+<br />
+
+Note: DASs list will be displayed in the File List box no matter the From Data
+Card checkbox is checked or not.
+<br />
+<br />
\ No newline at end of file

documentation/05 _ Read from Memory Card.help.md

-## To read data from external memory card:
-There are different kinds of memory cards that can be used in SOH 
-View,  eg.  SD card,  CF card or flash drive.
-
-To read data from a memory card,  check the checkbox "From Memory Card".
-
-Directory List box will display "Memory Card" and the data in the selected card can be
-read without selecting "Memory Card" in the Directory List box. 
-
-<br />
-<br />
-<img alt="From Memory Card checkbox" src="images/memory_card/from_memory_card_checkbox.png" height="80" />
-<br />
-
-Note: This will work the same way as selecting the first level folder of a data set.
-
-### Baler data
-Baler data has data/ folder for main data and sdata/ folder for backup
-data.  When Baler data is selected,  the radio buttons for data/ and sdata/
-are enable for user to select one of the folder to read from.
-
-<br />
-<br />
-<img alt="data/sdata radio buttons" src="images/memory_card/data_sdata_radio_buttons.png" height="80" />
-<br />
-
-### CF card
-When CF card which contents RT130 data is selected,  the serial numbers of the 
-DASs in the CF card will be listed for user to select for reading.
-
-<br />
-<br />
-<img alt="DAS in CF Card" src="images/memory_card/das_in_cf_card.png" height="100" />
-<br />
-
-Note: DASs list will be displayed in the File List box no matter the From Data
-Card checkbox is checked or not.
\ No newline at end of file

documentation/12 _ Display Data Point Info.help.md

+# Display info
+Click on any data point to display the info of the data point in the info box 
+at the bottom of each plotting dialog
+<br />
+<br />
+
+## Mseed SOH data
+
+<br />
+<br />
+<img alt="MSeed SOH data info" src="images/display_data_point_info/mseed_soh_data.png" width="600" />
+<br />
+<br />
+
+## Waveform data
+
+<br />
+<br />
+<img alt="Waveform data info" src="images/display_data_point_info/waveform_data.png" width="600" />
+<br />
+<br />
+
+## TPS data
+Click on one tps channel will display info at the same position for all tps channels no matter 
+the tps channels are in the same tab or in different tabs.
+
+<br />
+<br />
+<img alt="Waveform data info" src="images/display_data_point_info/tps_data.png" width="600" />
+<br />
+<br />
+
+## RT130 SOH data
+Click on one SOH data point will highlight the SOH message corresponding to that line.
+
+<br />
+<br />
+<img alt="MSeed SOH data info" src="images/display_data_point_info/rt130_soh_data.png" width="600" />
+<br />
+<br />

documentation/13 _ Ruler and Zooming.help.md

+# Ruler
+Ctrl/Cmd + Click on a point in a plotting, a yellow ruler will show up with time on top.
+
+Rulers will also show up on other plotting dialog at the corresponding position 
+
+On TPS plotting a yellow square box will show up to mark the corresponding data points on
+all the TPS channels. Ctr/cmd + Click on TPS plot will work the same.
+
+<br />
+<br />
+<img alt="Ruler" src="images/ruler_and_zooming/ruler.png" width="600" />
+<br />
+<br />
+
+---------------------------
+---------------------------
+
+# Zooming
+Shift + Click to mark the first zooming point, then Shift + click again to mark 
+the second zooming point to zoom the area between two zooming points.
+
+The zooming task will be performed in the area corresponding to zooming triggering 
+dialog.
+
+For TPS, zooming won't be performed but mark with 2 orange bars. Zooming can't 
+be triggered from TPS dialog.
+
+<br />
+<br />
+<img alt="Ruler" src="images/ruler_and_zooming/tps_zooming.png" width="600" />
+<br />
+<br />
+<br />

documentation/20 _ Search SOH n LOG.help.md

 # Search Messages
-
+<br />
+<br />
+<img alt="Search Dialog" src="images/search_messages/search_dialog.png" width="600" />
+<br />
+<br />
 ---------------------------
 ---------------------------
 
-## How to open
+# How to open
 Search Messages dialog will open by itself after a data set are done with reading and plotting.
 
 If it is closed by any reason,  user can open it by go to Menu - Forms and click on "Search Messages"
@@ -11,16 +15,16 @@ If it is closed by any reason,  user can open it by go to Menu - Forms and click
 <br />
 
 ---------------------------
-## User interface
+# User interface
 
 <br />
 
-### Search box
+## Search box
 The box to enter search text is placed at the top of the dialog.
 
 <br />
 
-### Toolbar
+## Toolbar
 
 + <img alt="To Selected" src="images/search_messages/to_selected.png" width="30" />    **To Selected**: The current table rolls back to the current selected line.
 
@@ -32,27 +36,51 @@ The box to enter search text is placed at the top of the dialog.
 
 <br />
 
-### Tabs
+## Tabs
 
 + **Search SOH Lines** tab: to list all lines that includes searched text with
 its channel 
-+ **Processing Logs** tab: to list all processing logs with its log type and
-color of each line depends on its log type.
-+ Each of the following tab is for one of SOH LOG channels
+<br />
+<br />
+<img alt="Search SOH Lines" src="images/search_messages/search_soh_lines.png" width="600" />
+<br />
+<br />
 
++ **Processing Logs** tab: to list all logs of data and plotting processing 
+with its log type and color of each line depends on its log type.
+<br />
+<br />
+<img alt="Processing Log" src="images/search_messages/processing_log.png" width="600" />
+<br />
+<br />
+
++ Each of the following tab is for an SOH log channels
+<br />
+<br />
+<img alt="An SOH Log Channel" src="images/search_messages/soh_log_channel.png" width="600" />
+<br />
+<br />
+ **MSeed**: For a channel that are wrapped in MSeed format, the log messages of the channel will be
+nested in tab of the channel name. For a text log file under the folder of a station name, the log will only
+be displayed when the station is selected and the tab name will be 'TXT'. For a text log file that isn't 
+under any station name folder, the log will be display for any selected station and the tab name will be 'TEXT'.
+
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**RT130**: All the SOH messages 
+of the selected set will be displayed under tab 'SOH'.
 <br />
 
-### Info box
-The box to display the info of the selected line.
+
+## Info box
+The box at the bottom to display the info of the selected line.
 
 <br />
 
 ---------------------------
-## How to search
+# How to search
 
 <br />
 
-### Search for a text 
+## Search for a text 
 Type a searched text,  the searched text will be highlighted through the table
 and the current table scrolls to the first line that contains the searched text.
 
@@ -61,15 +89,16 @@ search text using **Search Previous** or **Search Next** button.
 
 <br />
 
-### Filter all lines with searched text
+## Filter all lines with searched text
 The first tab **Search SOH Lines** is for filtering all lines that contains
 the searched text.
 
 <br />
 
-### Interaction with RT130 SOH channel's data point
+## Interaction with RT130 SOH channel's data point
 When user click on a clickable data point on a SOH channel of RT130,  SOH tab
 will be focused and the line corresponding to the data point will be brought
 up to view.
 
+<br />
 <br />
\ No newline at end of file

documentation/40 _ Firmware Notice.help.md

@@ -2,4 +2,4 @@ Pegasus firmware was updated to record VEI in millivolts.
 Previous versions of the firmware recorded VEI in microvolts.
 
 We decided to apply VEI's conversion factor in newer version of Pegasus. 
-If user may see higher than expected values in the older version of Pegasus.
+If user observe values higher than expected values for Pegasus, the data is of the older version.
\ No newline at end of file