Figure 4-5: Control Menus - Ametek California Instruments MX15 Series User Manual

4.2.5 CONTROL Menus
The CONTROL menu is shown in Figure 4-5 and can be reached by selecting the Menu key,
selecting the CONTROL entry using the DOWN cursor key and then pressing the Enter key.
The CONTROL menu is used to change secondary output parameters. The following choices
are available in the CONTROL menus:
ENTRY
SENSE
SY NC
CLOCK
M ODE
MX15 Series

Figure 4-5: CONTROL Menus

Selects internal or external (remote) voltage sense mode. If INT is selected, the voltage is
sensed at the output terminal block. If EX T is selected, the voltage is sensed at the
external sense connector. If external sense is selected, care must be taken to connect the
external sense lines at the load. For sense leads longer than 1 meter, twisted pairs
should be used.
Selects the external sync mode if available. Default is internal sync, which means a free
running time base. The time base can be synchronized to an external sync signal by
selecting external sync mode.
Selects internal or external clock source. The M X Series controller uses an open-air
crystal time base with an accuracy of 100 ppm. The external clock mode is used to
support the –LK S option. For use as an auxiliary unit in a clock and lock system, this field
must be set to EX T. A unit with –LK S option can be used stand-alone if needed by setting
the INT clock mode.
INT Default, internal clock.
EX T A uxiliary unit (-LK S) driven by master (-LK M ) clock input.
Note: W hen selecting EX T mode, make sure the Clock and Lock BNC
cables are connected to the M aster (-LK M ) unit. If not, there will be
no output on the –LK S unit. See section 3.10 for connection
information.
Power on clock mode. The following two modes can be selected.
STA N Power up in INT (internal) clock mode for stand-alone operation.
This is the only mode for models without the –LK S option.
For units with the –LK M option installed, this field is fixed to
CLK /LOCK .
For units with the –LK S option installed, this field can be changed to
DESCRIPTION
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