Specifications

122
7.2.3 Alphabet Entry Function
The alphabet entry function allows you to enter alphabetic characters, a space, and symbols
from the BHT keyboard (keypad) during execution of a user program.
[ 1 ] BHT-3000/BHT-4000/BHT-6000/BHT-6500
To activate or deactivate the alphabet entry function, use OUT statement in a user program.
As shown below, three characters are assigned to each of 0-9 numerical keys and period key.
For example, A, B, and C are assigned to the 7 key. To designate one of the three assigned
characters, use the trigger switch.*
* In the BHT-6000/BHT-6500, use the M1 or M2 key when the trigger switch function is
assigned to the key.
■ Alphabet Entry Procedure
(1) Activating the alphabet entry function with OUT statement
Issue the
OUT statement as shown below in a user program.
OUT 5, 1
To enable: OUT 5, &h1
To disable: OUT 5, &h0
The default setting of the alphabet entry function is "deactivated."
NOTE
By issuing the OUT statement which sets 1 or 0 to bit 0 of port 5, you can acti-
vate or deactivate the alphabet entry function, respectively.
MNO
7
8
9
4
5
6
12
3
0
.
ENT
ABC
JKL
STU
+–
∗
DEF
VWX
/$%
GHI
PQR
YZSp
BHT-3000
ABC DEF GHI
JKL MNO PQR
STU VWX YZsp
+-
*
/$%
BHT-6000/BHT-6500
789
456
123
0.
CR
CBS
ABC
JKL
STU
+
*
DEF
MNO
VWX
/$%
GHI
PQR
YZSp
ENT
BHT-4000