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SECTION 2
OPERATION
2.1 INTRODUCTION
This section
contains
information
necessary
to operate
the
Model 705 Scanner.
Information
is arranged
as follows:
*Preparation
For Use
*Power-Up
*Environmental
Conditions
*Front
and Rear Panels Description
*Front
Panel Operation
*Front
Panel Programs
2.2 PREPARATION
FOR USE
2.2.1 Correct
Line Voltage
Plug the Model
705 into the proper
power
receptacle,
(See
Table 2-l 1. For fuse replacement
or line voltage switch setting,
refer to the maintenance
section.
WARNING
Ground
the instrument
through
a properly
earth grounded
receptacle
before
operation.
Failure to ground
the instrument
can result
in severe injury or death in the event of short
circuit
or malfunction.
Table 2-1. Line Voltage
Setting
*Requires
special factory
installed transformer.
2.2.2 Plug-In
Card (Scanner)
Installation
Before operating
the Model 705, the necessary
plug-in
cards
must be installed into the mainframe.
The scanner plug-in card
is installed via the opening
on the Model 705 rear panel. Refer
to Figure 2-l for an overall picture
of plug-in card installation.
WARNING
To prevent
a possible shock
hazard, turn the
instrument
off
and
remove
the
line
cord
before
removing
or installing
any scanner
plug-in
card.
1. To install a plug-in
card, slide the plug-in card into the rear
panel opening
with
the component
side facing
up. Make
certain the card edges are aligned
with the grooves
in the
receptacle.
When the card is fully inserted,
the locking tabs
on the card should
be snapped
into the locked position
as
shown
in Figure 2-1.
.
2. To remove a plug-in card, unfasten
the locking
tabs
by pull-
ing both tabs outward.
Grasp the end of the card and pull it
out of the mainframe,
NOTE
Handle the plug in cards by the edges to avoid
contaminating
them with dirt, body oil etc.
2.3 POWER-UP
NOTE
Batten/
BIOI
is charging
while
the unit is on.
Refer to paragraph
5.7.
Immediately
after turning
on the Model
705 via the power
switch,
the display indicates the following
for several seconds:
1. This is a display
test.
The operator
can note inoperative
display
segments
by comparing
the Model
705's
display
with the figure above.
2. In addition,
the push button
and the TALK,
LISTEN
and
REMOTE
indicators
turn
on.
All
indicators
turn
on
simultaneously
if operating
correctly.
After the test is complete,
the Model 705 displays the software
revision level for approximately
one second.
After the software
revision
level is displayed,
the Model
705
displays
the primary
address
of the instrument
for approx-
imately
one second.
The primary
address of the Model 705 is
factory
set at 17.
During the display test the Model
705 performs
a digital self
test of the RAM circuitry
and a cyclic redundancy
check of the
ROM circuitry.
If the self test or CRC reveals a problem
with
the ROM or RAM circuitry
the Model 705 displays a diagnostic
number. This number,
and its meaning,
is explained
in detail in
Section
5.
After
all the displays
and tests of the power
up cycle,
the
Model 705 comes up to the default conditions.
Refer to Table
2-2 for default
conditions.
NOTE
If upon
power-up
the Model
705 displays
the
slave or broken loop message (refer to paragraphs
2.6.10, 2.6.11 and 2.6.12) activate
program
90 to
return the Model 705 to normal
operating
condi-
tions. To activate
program
90, press PRGM, 9, 0.
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