Operating Instructions
1705A Spectrum Monitor 2-5
70MHz
SPECTRUMMONITOR
333--3990--01
INPUT
BESCHLEUNIGUNGSSPANNUNGKLEINER ALS
20kV
DIEINDI ESEM GERAT ENTSTEHENDE
RONTGENSTRAHLUNGIST AUSREICHEND ABGESCHI RMT
123465
WARNING
TOAVOIDELECTRICAL SHOCK , THE POWER
CORDPROTECTIVEG ROUNDING CONDUCTOR
MUSTBECONNECTED TO EARTH GROUND.
0.7AMAX
50/60Hz
90-250V
REPLACEFUSEONLY WITH
250V2AFTYPE
LBAND
INPUT
!
LNBPOW-
ER
ON
!
LNBPOW-
ER
OFF
+18VDC @ 250 mA
ON
Figure2 -2: 1705A rear panel controls and connectors; refer to text for descriptions
of controls identifiedwith circled numbers
3. LNB POWER(Indicator)
LED indicator thatlights when the +18 V supply is turned on and operating
correctly. Indicator will not light if the +18 V supply is shorted.
4. 70 MHz
A75input bnc-type connectorused for the input of the 45 -- 100 MHz rf.
5. AC FUSE
Holder for the instrumentsmains fuse.
6. AC POWER
A standard ac plug receptacle for 120 or 220 Vac power mains.
POWER