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The differences between the BHT-7000 and BHT-5000

In the BHT-7000, I want to use programs made for the BHT-5000 as they are. Are there any differences between the BHT-7000 and BHT-5000?

Listed below are the differences between the two series.

(1) Communication

Item BHT-5000 BHT-7000
Optical interface Communications operation Full duplex Half duplex
Transmission speed (bps) 300, 600, 1200, 2400, 4800, 9600, 19200, 38400 2400, 9600, 19200, 38400, 57600, 115200
Parity bit None, Odd or Even None (fixed)
Character length 7 or 8 bits 8 bits (fixed)
Stop bits 1 or 2 bits 1 bit (fixed)
Signal lines SD, RD, RS, CS SD, RD
Direct-connect interface Transmission speed (bps) 300, 600, 1200, 2400, 4800, 9600, 19200, 38400 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200
Simultaneous opening with the bar code device file Possible Optical interface: Not possible (In order to decrease the peak current)
Direct-connect interface: Possible
Communications protocols

Multilink protocol

BHT-Ir protocol

File reception with XFILE statement Receive file with the name given by the sender Not possible Possible
Receive file with different name Not possible Possible


(2) Bar code scanning

Item BHT-5000 BHT-7000
Scanning range laser marker ON/OFF control Not available Available
OPEN "BAR:" statement extension*1 Not available Available
Code 128 special characters conversion*2 Conforms to the 1986 USS Standard Conforms to the 1993 USS Standard (Conversion system differs in some parts)
Length of beep for read confirmation 100 ms 60 ms
*1 In the readcode parameter, more than one condition may be specified with commas.
*2 Special characters such as FNC, CODEA, CODEB, CODEC, and SHIFT characters


(3) Screen display

Item BHT-5000 BHT-7000
compatible mode
Available Not available
(Dots, W×H)
ANK*1 21×8 (6×8) Standard-size font 21×8 (6×8)
Small-size font 21×10 (6×6)
Kanji Full-width: 8×4 (16×16) Standard-size font Full-width: 8×4 (16×16)
Half-width: 16×4 ( 8×16)
Half-width: 16×4 ( 8×16) Small-size font Full-width: 10×5 (12×12)
Half-width: 21×5 ( 6×12)
Condensed Kanji Full-width: 10×4 (12×16) Not available
Half-width: 21×4 ( 6×16)
Double-width Not available Available
No. of user-defined fonts loadable ANK 32 fonts ANK 32 fonts
Kanji 32 fonts Kanji 128 fonts
User-defined cursor display*2 Not available Available
Display of battery voltage level Bar graph display when the battery voltage display key is pressed Bars always displayed at the bottom left of the LCD
Display of keypad shift state SF icon at the bottom right of the LCD Bar displayed next to the battery voltage bars
*1 Alphanumerics and Katakana
*2 The user-defined cursor display function displays a cursor in the shape defined by the user. The cursor shape may be defined with the APLOAD or KPLOAD statement in single-byte ANK mode or two-byte Kanji mode, respectively.


(4) Keyboard

Item BHT-5000 BHT-7000
Magic keys M1 and M2 keys M1, M2,
M3 (left-hand trigger switch), and
M4 (right-hand trigger switch) keys
Default trigger switch Trigger switch M3 and M4 keys
Definition of a magic key as battery voltage display key Yes No
(The battery voltage level is always displayed.)
Key number assignment range 0 to 34 1 to 31 and 33 to 38
Alphabet entry Not available Available
(Alphabet entry mode added)


(5) Backlight

Item BHT-5000 BHT-7000
Default backlight on/off control key Trigger switch
with SF held down
M1 key
with SF held down
Key assignment numbers for backlight on/off control 0 to 34 1 to 31 and
33 to 38


(6) Files

Item BHT-5000 BHT-7000
File storage device(s) RAM (Drive A) Flash ROM (The RAM is used to run programs efficiently.)
Flash ROM (Drive B)
Max. number of files loadable RAM
(Drive A)
40 80
Flash ROM (Drive B) 40
Cluster size 4 KB (8 KB*) 4 KB
User area RAM
(Drive A)
1976 KB* Here
Flash ROM
(Drive B)
132 KB
If font files are deleted:
388 KB
* BHT-5079 with a 2048-Kbyte RAM


(7) Work and common variables

Item BHT-5000 BHT-7000
Max. memory spaces available for work and common variables 6 KB 32 KB


(8) LCD contrast & beeper (vibrator) adjustment

Item BHT-5000 BHT-7000
Adjustment screen call-up key PW key
with trigger switch held down
PW key
with M1 or M4 held down
Vibrator Not available ON/OFF selectable
Beeper volume adjustment in user programs Not available Available
Beeper (and vibrator) control in user programs Not available Available


(9) Extended functions

Item BHT-5000 BHT-7000
Extended functions None
(Extension library required)
(SYSINF.FN3 and SYSPARA.FN3 integrated in the BHT)


(10) Others

Item BHT-5000 BHT-7000
Remote wakeup*1 Not available Available
Updating of system settings In System Mode In System Mode or with BHT system parameter file*2
Updating OS Download Download or applications
*1 The remote wakeup function allows you to turn the BHT on and run the specified user program from a remote location by sending the specified message from the host computer to the BHT placed on the CU.
If the BHT is turned on using this function, it will automatically run a file named "BHTRMT.PD3" or "_BHTRMT.PD3."
*2 Updating with the BHT system parameter file refers to uploading or downloading a file named "_BHT.SYS" which stores system environment settings specified in System Mode and other settings (e.g. LCD contrast and beeper volume) for updating system settings.

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