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3-3
SECTION 3 PANEL LAYOUT
Description
Exhausts the heat generated inside the MG3641A/MG3642A to the outside. Do
not leave anything to obstruct the air flow around the fan.
Fine-adjusts the frequency of the internal base oscillator .
Used in GPIB remote control mode.
Turns on or off all the power to the MG3641A/MG3642A.
Inlet for AC power supply to the MG3641A/MG3642A.
Grounds the frame to the ground potential. This terminal must be grounded for
safety.
When the trigger function is used, this connector is used to input the trigger
signal.
Outputs an auxiliary sweep signal.
When an internal modulation source option that needs to be controlled externally
is mounted, one of these connectors is used to input the control signal.
The function depends on the type of option mounted.
Inputs a pulse modulation signal. (Pulse Modulator is optional.)
No
26
27
28
29
30
Name, display
[Stby/On] switch
[Local] key
Remote lamp
[Preset] key
[Display] key
Description
Switches the standby mode to the on mode and vice versa. The Stby lamp lights on
in the standby mode; the On lamp lights in the on mode.
Returns to the local mode after remote control.
Lights on at remote control.
Initializes the mode set on the panel.
Turns off the multi-menu display to suppress the undesired radiation. Pressing this
key following the Shift key enables to turn off all the displays excluding the On
lamp and external modulation level indicators “▲” and “▼”.
To turn on the multi-menu display again, perform the same procedure as the turn-
off procedure.
3.1.2 Rear panel layout
This paragraph outlines the switches and connectors arranged on the rear panel.
Inputs the reference signal to synchronize the MG3641A/MG3642A with an
external reference signal.
38
39
No
31
32
33
34
35
36
37
41
40
42
Outputs a signal of the frequency synchronized to the reference signal in the
MG3641A/MG3642A.
Name, display
Cooling fan
Freq Adj trimmer
GPIB connector
●● | switch
AC power inlet
FG terminal
Pulse Mod Input
connector
10 MHz Buff Out
connector
5 MHz/10 MHz Ref In
connector
Trig Input connector
Sweep Out connectors
Int Mod Cont 1, 2, 3
connectors