Operation; Switching On; Adjusting The Frequency; Adjusting The Mode - Philips PM5324 Instruction Manual

2.2. Operation

2.2.1.

SWITCHING ON

- Connect the instrument to a mains socket with earthing contacts.
- Switch on by means of switch P OW E R; the sca le illumination lights up and a wh ite field in the button·cap
shows t h at the ma ins switch is on.
2.2.2.

ADJUSTING THE FREQUENCY

- Select t he required frequency range with one of the range
indicated by a L ED at the left side of the scale window.
- Adjust to nom inal frequency with potentiometer FR EQU ENCY.
2.2.3. ADJUSTI NG THE MODE
The mode is selected by depressing one of the 6 buttons in the left
If no button h as been pressed the generator supp l ies an unmodu l ated H F ·s ignal with the adjusted frequency
and amplitude.
Buttons CA L., AM/ EXT., AM/ 1 kHz, F M/ EXT. and F M/ 1 kHz
one button can be depressed at a time.
Button WOB. may be unlocked by pressing the button a second time,
The mode· buttons may be combined with the frequency·range
Range button
CA L
( MHz)
. 1 .3 X
_
X
.3_ 1
1 3 X
X
3 10
_
10 30 X
_
30 80 X
_
7 5 _ 1 10 X
.4_ . 5 X
10.3_ 1 1.1 X
2.2. 4.

APPLICATION

2.2.4.1. Unmodulated H F·signal generator
- Depress the requ ired range button MHz.
- The selected range scale is indicated by a L ED.
- Set the pointer at the required frequency by means
Not marked frequency values shou ld be
- If necessary, calibrate the frequency at the nearest calibration·mark accord ing to sub·para 2.2.4. 5 .
- Unlock the mode·buttons ( left row of buttons).
- App l y the H F's ignal, ava i l able at BNC connector HF OUT , across
accessor ies, chapter
- Adjust the required output voltage with potentiometer HF A MP LITUDE.
extra
Mode button
(selectable)
AM F M WOB+AM
WOB
X
X
X
X
X
X
X X X
X X
X X
X
interpolated
1.3.).
buttons MHz; the correspond ing range·sca le is
row of buttons.
unlock each other automatically, thus on ly
independent l y
buttons according the
X
X
X
of potent iometer FR EQU ENCY.
between two marks.
a
cable to the object to be measured (see
13
of the other buttons.
table given below.