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SECTION 4 OPERATING INSTRUCTIONS
• If you use a 3-pole power cord fitted with a ground
terminal, you do not have to do this grounding
connection.
• When this button is pressed and remains depressed, it
is in the " " (On) position. To turn it off, bring the
button up by pressing it again. When the button is
turned off, the AC power is cut off, even if the power
button on the front panel is set in the On position.
• Push in the jack of the power cord securely, till the
clearance is reduced to 1 to 2 mm.
• The "Stby" lamp of the power
switch on the front panel lights up.
• The preheating of the internal
reference oscillator begins. To
operate this signal generator after
it has been exposed in a low-
temperature ambient, preheat it for
at least 24 hours.
• The "On" lamp of the power switch
on the front panel lights up, while
the "Stby" lamp goes out.
• The power will be supplied to all
the circuits of the MG3641A/
MG3642A, which gets ready for
operation.
Stby On
Stby On
4.1.1 Turning Power On
The procedure to be followed from preheating the internal reference oscillator, till operating the signal generator,
will be explained below.
STEP PROCEDURE
1. Connect the FG terminal located on the rear panel to
ground.
2. Place the " " switch on the rear
panel in the " " (Off) position.
3. Plug the jack of the power cord into the AC power
inlet on the rear panel.
4. Insert the plug of the power cord into the AC current
outlet.
5. Turn on the " " switch on the rear panel.
6. Press the "Stby/On" switch on the front panel to turn
it on.
Note :
If neither of the power indicator lamps comes on, check the following points:
1. Is the power cord coupled correctly to the current outlet and the power plug?
2. Is the specified fuse installed correctly in the fuse-holder?
3. Is the supply voltage a correct one?