TM 11-6625-3087-12
C O N T R O L , INDICATOR,
FUNCTION
KEY
OR CONNECTOR
10 MHz oven connector
Provides a long-term, high stability frequency reference for Level Meter.
94
Connect to EXT REF 10MHz+N connector with BNC to BNC adapter
(supplied) for normal operation. Connector makes with BNC plug.
EXT REF 10MHz+N connector
95
Used to connect 10MHz external reference to Level Meter. Input power can be
no less than - 10dBm. Connect to 10MHz oven connector with BNC to BNC
adapter (supplied) for normal operation. Connector mates with BNC plug.
Meter connector
Connection providing MEASUREMENT/ENTRY display reading in DC
96
voltage. Sensitivity is 100mv/dB on the 10dB range and 10mv/dB on the 100dB
range. Leave open for normal use. Connector mates with BNC plug.
97
Audio connector
Used for impairment measurements. Output level is nominally 750mV p-p.
Output impedance is 1,000 . Leave open for normal operation. Connector
mates with BNC plug.
Phase jitter connector
98
Used for additional analysis of phase jitter signal. Sensitivity is 166mv per
degree of phase jitter. Output impedance is 10,000 . Leave open for normal
operation. Connector mates with BNC plug.
I
Connector for line voltage power cable (supplied). Connector mates with CEE
Power input connector
99
22 plug.
OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES
Section Il.
2 - 2 . GENERAL.
To be sure that your equipment is always ready for your mission, you must do scheduled preventive maintenance checks and
services (PMCS). When you are doing any PMCS or routine checks, keep in mind the WARNINGS and CAUTIONS about
electrical shock and bodily harm.
2-3. PMCS PROCEDURES.
a. Tools, Materials, and Equipment Required for Preventive Maintenance. No tools or equipment are required for
operator preventive maintenance. Cleaning materials required are listed in Appendix E, items 1 and 2.
b. PMCS for Level Meter is limited to routine checks such as shown below.
cleaning,
dusting,
wiping,
checking for frayed cables,
storing items not in use,
covering unused receptacles,
checking for loose nuts, bolts, and screws.
Perform these routine checks anytime you see they must be done.
c.
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