Dual Reference Channel Menu 2; Dual Reference Output Filters Menu 1 - Ametek 7124 Instruction Manual

Chapter 5, FRONT PANEL OPERATION

5.5.04 Dual Reference Channel Menu 2

5.5.05 Dual Reference Output Filters Menu 1

5-68
Pressing the Previous Menu key returns control to Main Menu 1.
Figure 5-52, Dual Reference Channel Menu 2
The Dual Reference Channel Menu 2, shown above in figure 5-52, has four controls
affecting the instrument's reference channel, and a key to access Dual Reference
Channel Menu 1. Changes to the setting of these controls can be made by using the
adjacent keys.
REF1 HARMONIC and REF2 HARMONIC
These controls set the harmonic of the relevant reference frequency at which the
lock-in amplifier's corresponding reference channel operates, in the range 1 st
(fundamental mode) to 127 th.
AUTO PHASE1 and AUTO PHASE2
These operations adjust the corresponding reference phase to null the output of the
Y1/Y2 channels while maximizing the output of the X1/X2 channel.
Dual Ref Chan Menu 1
Pressing a key adjacent to this item access the Dual Reference Channel Menu 1
In dual reference mode, pressing the Output Filters key on Main Menu 1 access the
Dual Reference Output Filters Menu 1, shown in figure 5-53.