
4. Using the KNOB and SELECT key, configure the RS-232-C interface as
desired.
5. Select the DONE field in the upper-right corner with the KNOB to exit the
External I/O Port Configuration menu.
Operating
Environment
The operating environment for the HP 1650B/51B is described in table 1-2. Note
the non-condensing humidity limitation. Condensation within the instrument
cabinet can cause poor operation or malfunction. Protection should be provided
against temperature extremes which cause condensation within the instrument.
The HP 1650B/51B operates at all specifications within the temperature and
humidity range given in table 1-2.
Storage and
Shipment
The instrument may be stored or shipped in environments within the following
limits:
Temperature:-40 degrees C to + 75 degrees C.
Humidity:Up to 90% at 65 degrees C.
Altitude:Up to 15,300 metres (50,000 feet).
Tagging for
Service
If the instrument is to be shipped to a Hewlett-Packard office for service or repair,
attach a tag to the instrument identifying the owner, address of the owner,
complete instrument model and serial numbers, and a description of the service
required.
HP 1650B/1651B Installation
Service Manual 2-9
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