Table of Contents
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Section 1
1.1 Unpacking the Instrument
Remove Surveyor 4a from its shipping carton and inspect it for any visible damage. Contact Hach
Customer Service at 1-800-604-3493 if any items are missing or damaged.
1.2 Instrument Description
The front panel of the Surveyor 4a consists of 11 soft keys and a high-resolution screen. The back
of the case contains the batteries and also has a 9-pin male connector for mulitprobe or PC
connection.
Figure 1 Front Panel
HYDROLAB
1
2
3
4
POWERED BY
HYDROLAB
109 mm
(4.3 inches)
Item Number
Name
1
Screen
2
Function Keys
3
Cursor Keys
4
Power
5
Backlight Key
6
Hidden Key
1.3 Screen Features
The screen is divided into three parts. The Real-time parameters, the History Line, and the
function key options.
Introduction
SURVEYOR 4a
R
270 mm
(10.62 inches)
5
6
TECHNOLOGY
Description
The high-resolution, liquid crystal screen displays real-time reading, graphs, or submenus.
Takes the action indicated on one of the four rectangles at the bottom of the screen.
Moves the cursor up, down, right, and left in menus, submenus, and virtual keyboards. Hold
down an arrow key to scroll the cursor on the screen in fast repeat mode.
Turns the instrument on and off.
Turns the backlight on and off. The back light allows use in low-light or dark conditions.
Displays system information on the Surveyor 4a and on the multiprobe.
70 mm
(2.75 inches)
7
8
9
10
11
12
Introduction
Page 5
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