Introduction
Security Levels
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1.3.3 Function Key Options
The function key options correspond to a front panel key, but they also represent Surveyor 4a
software menus or submenus.
1.4 Security Levels
The security level determines the access privileges to the software submenus. Security Level-2 is
the factory-set default level. If a security level is changed, the Surveyor 4a will remember the new
security level the next time the instrument is powered on.
Important Note: To avoid erasing the mulitprobe main software or any other related data, do not
attempt to log on to Level-3 without assistance from Hach Company. For more information,
call 1-800-604-3493.
Table 2 Security Levels
Security
Level
Password
Allows Access To:
Level-0
Not Required
(Surveyor 4a security
level at power-up)
Power On/Off; Backlight On/Off; Surveyor4 Installed Options Display; Real-time Tabular Data
Screen; Real-time Graph Data Screen; Terminal Screen; Terminal Cursor Movement;
Terminal Cursor Home; Terminal Virtual Keyboard.
Level-1
User Definable
(Disabled on new
Surveyor 4a)
Surveyor4 Files Status; Surveyor4 Files Review; Store; Sonde Files Status; Sonde File
Download; Terminal File Download; Terminal Data Capture.
Level-2
User Definable
(Disabled on new
Surveyor 4a)
Most Surveyor4 Setups; Surveyor4 BP User Calibration; Most Surveyor4 File Functions;
Sonde Setups; Sonde Calibrations; Sonde File Create; Sonde File Delete.
Level-3
User Definable
(Factory Default:
“HYDROLAB”)
Password Change; Factory Installed Options Change; Setup Reset; Parameter History
Reset; File System Reset; Surveyor4 BP Factory Calibration; Downloading New Surveyor4
Software.
Summary of Contents for Surveyor 4a
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