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SECTION 5 - AVAILABLE OPTIONS
5-1
GENERAL
The .2 PPM Frequency Standard is standard equipment for the FM/AM-1200A
S/N 1500 and on and for the FM/AM-1200S S/N 5412 and on.
5-2
.2
PPM FREQUENCY STANDARD - OPTION 01
In addition to the standard features of the FM/AM-1200S/A, several
optional features are available.
These include:
5-3
.05
PPM FREQUENCY STANDARD - OPTION 02
The .05 PPM Frequency Standard provides the most stable frequency stan-
dard available for the FM/AM-1200S/A.
5-4
The .05 PPM oven oscillator is powered by the
internal battery when the test set is switched
to battery operation.
The FM/AM-1200S/A will
turn on and operate immediately in the battery
mode but the oven oscillator will not be within
specifications without a required 15-minute
warm-up period (with the test set at room temper-
ature).
Since the operation period using battery
power is limited to approximately 30 minutes, it
is therefore recommended that the FM/AM-1200S/A
be connected to an external AC or DC power source
for the required 15-minute warm-up period.
BATTERY - OPTION 04
The Battery is standard equipment for the FM/AM-1200A S/N 1510 and on
and for the FM/AM-1200S S/N 5562 and on.
5-1
04
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