5.2 Top and Side Features
The top and side of the 1521 feature theprobe connector, DC power input, se-
rial port, and infraredwindow.
ProbeConnector - At the top of the thermometer is the opening where the
probe connector isinserted. The probe must be connected using an INFO-CON
probe connector to measure temperature(see Section 6.6).
DC PowerInput-The AC adapter plugs into the DC power input to recharge
the battery and to power the instrument while the battery is being charged (see
Section 6.2).
Serial Port-TheRS-232 serial port provides a means of connecting the 1521 to
a computer or a printer using the includedserial cable (see Section 8). The
baud rate isfixed at 2400 baud, the linefeed is fixed to ON (all carriage returns
are followedby a linefeed (ASCII decimal 10), and the duplex is fixed to Half
disablingthe echo.
InfraredWindow-The infrared window has no functionality.
15
5 Parts and Controls
Top and Side Features
DC Power Input Stand
Probe Connector
Top View
Side View
Serial Port Infrared Window
(not used)
Figure2 Top and Side View