GDP-32II INSTRUCTION MANUAL
May 2002 Section 2, Page 8
2.3 GDP-32
II
CASE
The GDP-32
II
is available in two case sizes. The large case GDP-32
II
(Figure 2.1) permits the
installation of up to sixteen analog channels for the DC to 8 kHz range. The small case GDP-32
II
(Figure 2.2) permits the installation of up to six channels. The central portion of the case
contains the analog cards and timing/calibrate card. Input and output ports are mounted on side
panels. The keyboard and display are mounted on the receiver’s front panel.
1. Case Lid - Meter and I/O Panels
The case lid protects the front panel of the receiver and contains the meter/connection
panel. Three different Meter and I/O panels are available. The particular Meter and I/O
panel installed depends on the number of analog channels included in the GDP-32
II
. See
Figure 2.3.
2. Front Panel
The front panel contains the graphics liquid crystal display (LCD), the keypad, an analog
signal output connector, and the crystal oscillator power light. The 586 microprocessor,
hard disk, and SRAM boards are attached to the underside of the front panel. See Figure
2.4.
3. Control I/O Side Panel
The Control I/O panel, located on the left side of the GDP-32
II
receiver, is used to
interface the GDP-32
II
with external devices. It contains: a serial RS-232C port; a bi-
directional IBM-PC compatible parallel port; an external battery/charger port; an
ON/OFF button; and a transmitter control I/O port. See Figure 2.6.
4. Analog I/O Side Panel
The Analog I/O panel, located on the right side of the GDP-32
II
, provides connection
points for analog signal inputs, calibrator outputs, and both system and case grounds. See
Figure 2.7.
5. Battery Compartment - Large Case
The battery compartment is located on the bottom of the large case GDP-32
II
. It may be
removed by opening the clips holding the compartment to the main unit, and tilting it
back on its hinges.
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