Pico Macom FM Stereo Audio Modulator - Manual (Page 7)

PCFM
7
Rev. 07/03
Ph: 800-421-6511 www.picomacom.com
Installation Procedure
It is recommended that assistance be available to safely install
equipment in equipment racks. Chassis must be fastened
securely in equipment rack before populating with modules.
1. Install chassis in equipment rack (equipment rack sold
separately) by supporting the bottom and rear of PCFM
at the desired elevation in rack.
2. Line up the side holes of chassis with the tapped equipment
rack holes.
3. Insert the provided screws through the side holes in chassis
and thread into the tapped equipment rack holes.
4. Fasten the bottom screws first, then fasten top screws
(tighten securely).
5. Connect a cable from the left and the right output of the
audio source to the left and right audio input connections
of the PCFM.
6. Connect a cable from the RF OUT connector of the PCFM
and the input connector of combining system.
7. Connect power cord to receptacle supplying uninter-
rupted line power (power LED on front panel will
illuminate).
8. Set the FM radio output channel by depressing the FREQ
buttons repeatedly until the desired channel is displayed on
front panel.
9. Connect a cable between the combining system test
point and a spectrum analyzer or signal level meter.
Measure the aural carrier level of the PCFM and a
djacent channels.
10. Adjust the Output level of the PCFM to 7 to 12dB below
adjacent channel video carrier levels by adjusting the
RF OUTPUT adjustment on the front panel of the
PCFM.
RF OUT
120VAC
60Hz 10W
AUDIO IN
600W MAX
L R !
CAUTION
RISK OF ELECTRIC SHOCK DO NOT OPEN
_ + _ + _ + _ +
+ + + +
VIDEO
OUT
COMPOSITE
OUT
70 MHz
IN OUT
AUDIO OUTPUT LEVEL
VIDEO
LEVEL
RF IN
950-1450 MHz
18V 250mA
LNB POWER
OUT
ON OFF
117V
.35A
60Hz
DATA CLOCK
LANGUAGE
GND + _ MONO LEFT RIGHT
AUDIO OUTPUT
FUSE AC25OV
1/2A
H V
L R MONO
INV NOR
STEREO AUDIO CONNECTION:
Center Conductor to Left + (Positive)
Shield to Left - (Negative)
Center Conductor to Right + (Positive)
Shield to Right - (Negative)
FROM SATELLITE ANTENNA
950-1750MHz
PCFM MODULATOR
PR4200IRD SATELLITE RECEIVER
RF OUT to Distribution System
RIGHT AUDIO IN LEFT AUDIO IN
PCFM Manual.qxd 7/10/03 1:15 PM Page 7