2-2 Hardware Overview Chapter 2 — Instrument Overview
2-2 PN: 10580-00175 Rev. N MS272xB + MS8911B UG
2-2 Hardware Overview
Turning On the MS272xB and MS8911B for the First Time
The Anritsu Spectrum Master (MS272xB or MS8911B) is capable of approximately 2.5 hours
of continuous operation from a fully charged, field-replaceable battery (refer to Section
“Battery Replacement” on page 1-8 of Chapter 1). The Spectrum Master can also be operated
from a 12 VDC source (which will also simultaneously charge the battery). This can be
achieved with either the Anritsu AC–DC Adapter or Automotive Cigarette Lighter Adapter.
Both items are included as standard accessories (refer to the list of accessories in the
Technical Data Sheet for your specific instrument, as listed in section “Introduction”
on page 1-1).
To turn on the Spectrum Master (MS272xB or MS8911B), press the On/Off button on the
front panel (Figure 2-1).
The Spectrum Master takes approximately sixty seconds to complete power-up and to load
the application software. A Power On test checks battery power and the Real Time Clock. At
the completion of this process, the instrument is ready to be used.
Caution
When using the Automotive Cigarette Lighter Adapter, always verify that the
supply is rated for a minimum of 60 Watts at 12 VDC and that the socket is clear of
any dirt or debris. If the adapter plug becomes hot to the touch during operation,
then discontinue use immediately.
Figure 2-1. Spectrum Master On/Off Button
Note The MS2721B in Figure 2-1 is equipped with the Tracking Generator (Option 20).
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