Denso BHT-7500 - Manual (Page 35)

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Chapter 2. Getting Started the BHT and System Mode
2.2 Components and Functions
* The trigger switch function is assigned to both of the M3 and M4 keys by default.
Indicator LED
Illuminates in green when the BHT has
successfully read the bar code.
Liquid crystal display (LCD)
Shows the characters and
graphic patterns.
Trigger switch (M3 key)*
Press this switch to start
bar-code reading.
Optical interface port
Used to exchange data/
programs with the host
computer via its integrated IR
port or via the optical
communication unit CU-7000.
Hand strap
Be sure to put your hand
through this strap to
prevent you from dropping
the BHT accidentally.
Alphanumeric
keys
Trigger switch (M4 key)*
Press this switch to start
bar-code reading.
Release button
Press this button to remove the battery cartridge.
Rechargeable
battery cartridge
Main power
source of the
BHT.
Bar-code reading window
Built-in antenna (BHT-7500S/
7500W only)
Do not cover this antenna
section with metal-
evaporated tape or by
hand. Doing so may
result in communications
failure.
Connector cover
Inside this cover is the direct-connect interface port.
When connecting or disconnecting the direct-connect
interface cable to/from the BHT, do not plug or unplug
it at an angle and do not pull the cable strongly.
Doing so will result in a machine failure.