10  Chapter 2  System Operation
 
 
 
2.4.2 Main Screen 
The system main screen is shown below, and is discussed in detail in section 
3.5.2 and later. The screen is displayed after power on initialization, and its 
displayed elements will depend on the mode of operation. In this example, 
the unit is in constant current mode, displaying the current set point, 
photodiode read back, and voltage read back. 
 
→
→→
→
Io=   0.00 A <LDD> 
 Im=     0 uA 
 Vf=  0.000 V   MOD 
        OutT  SETUP
←
←←
←
 
Figure 2 - Main Screen
 
2.4.3 Menu Structure 
The 5600 has a simple menu structure for changing the operation settings, 
such as limits, communications parameters, and so forth. Each menu has 
settings accessible by first pressing the 
MENU 
button, then using the soft 
keys to navigate through the menus. When discussing the menu items within 
a menu, all the items are shown in a single box. 
 
NOTE 
The 5600 display is a four line display, therefore only 
four elements will be visible at a time.
 
2.4.3.1  Laser Setup Menu 
The Laser Setup menu is covered in section 3.5.3, and covers settings that 
pertain to the operation of the laser, such as mode, limits, bandwidth, pulse 
mode, and so forth. 
2.4.3.2  Modulation Setup Menu 
The Modulation Setup menu is covered in section 3.5.4, and covers settings 
that pertain to the modulation operating mode (off, internal, external) and the 
internal modulator settings. 
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