HP 68302 User Manual page 488

Step 1. Connect the HP 64700 to the PC
Set the COMM CONFIG switches for RS-232C communication. To do
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this, locate the DIP switches on the HP 64700 rear panel, and set
them as shown below.
Notice that switches 12 and 13 are set to 1 and 0, respectively. This sets the
RTS/CTS hardware handshake, which is needed to make sure all characters
are processed. Switches 1, 2, and 3 are set to 0. This sets the baud rate to
9600. Switch settings are read during the HP 64700 power up routine.
Connect an RS-232C modem cable from the PC to the HP 64700 (for
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example, an HP 24542M 9-pin to 25-pin cable or an HP 13242N 25-pin
to 25-pin cable).
You can also use an RS-232C printer cable, but if you do, you MUST set
COMM CONFIG switch 4 to 1.
Turn ON power to the HP 64700.
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The power switch is located on the lower left-hand corner of the front panel.
The power lamp at the lower right-hand corner of the front panel will light.
Chapter 15: Installing/Updating HP 64700 Firmware
Step 1. Connect the HP 64700 to the PC
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