IFR COM-120B Service Manual

STEP
PROCEDURE
52.
Cursor
to
MEASURED DEVIATION Field
and
press
ENTER.
53. Use
DATA ENTRY Keypad to enter Modulation Analyzer
reading.
54.
Press
ENTER Key and wait
until
Field
displays
CALIBRATED.
55.
Repeat
Steps
51 through
54
for
the
remaining PM
calibrations
using
this table as
a
guide:
External
Modulatlon
Devlatlon
Range (Rad)
Audlo
Analyzer
(=Vrms)
PM
NARR 2
10
7.20
PM NARR
3
1
3.66
56.
Disconnect coaxial cable
from
EXT MOD lN
Connector.
57.
Perform
procedures
in
para
1-8-7
through
para
1-B-10
until no
adjustments
are
required.
58. Set
COM-'1208
power
to OFF and disconnect test
equipment.
1-28
STEP
PROCEDURE
52. Cursor to MEASURED DEVIATION Field and press ENTER.
53. Use DATA ENTRY Keypad to enter Modulation Analyzer reading.
54. Press ENTER Key and wait until Field displays CALIBRATED.
55. Repeat Steps 51 through 54 for the remaining PM calibrations using this table as a guide:
._.
--- -- - ----- ~----
----
External Deviation Audio
Modulation Range (Rad) Analyzer
(::::Vrms)
PM NARR 2
10
7.20
PM NARR 3
1
3.66
56. Disconnect coaxial cable from EXT MOD IN Connector.
57. Perform procedures in para 1-8-7 through para 1-8-10 until no adjustments are required.
58. Set COM-120B power to OFF and disconnect test equipment.
1-28
Scans by ArtekMedia © 2008

IFR COM-120B Specifications

General

Brand	IFR
Model	COM-120B
Category	Measuring Instruments
Language	English