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COMPUTER
RS232 cable
DC 9V
POINT-TO-POINT
SYSTEM
PT015
Spare
Battery pack
COMPUTER
SYSTEM
RS485
interface
MULTI-POINT
DC 9V
DC 9V
DC 9V
RS232 Connection
RS485 Connection
Charging and
Communication
Cradle
1
A
2
B
3
C
6
F
5
E
4
D
0
K
.
L
9
I
=
J
8
H
7
G
+
M
F3
Y
F4
Z
#
U
Ins
R
,
?
Del
Q
F2
X
$
T
?
?
F1
W
%
S
/
P
*
O
-
N
Exit Menu
Enter
(YES)
Bksp
SP
(NO)
Caps
Edit
V
Unitech
Alpha
Four Status Indication LEDs are located at the front of the
cradle:
SPARE Indicates the charging status of the spare
NiMH battery pack. The glowing Red LED
indicates charging is in progress. The glowing
Green LED means the charging is complete.
COMM Indicates the status of the communication with
the host computer. A flashing Red LED
indicates the data communication is
established between the terminal and the host
computer.