MagTek Bluetooth MagneSafe V5 Swipe Reader - Manual (Page 57)

Section 5. Communications
49
POWER DOWN COMMAND
Command number: 0x28
Description: This command is used to power down the magnetic stripe circuit. If the
reader is running on battery only (no USB cable attached), the entire
reader is powered down. The behavior of the reader is exactly the same as
if the user had pressed and held down the User Switch for three seconds to
turn it off.
Data structure:
Request Data: None
Response Data: None
Result codes: 0x00 (Success)
Example Power Down Request (Hex):
Cmd Num Data Len Data
28 00
Example Power Down Response (Hex):
Result Code Data Len Data
00 00
GET BATTERY STATUS COMMAND
Command number: 0x29
Description: This command is used to get the status of the battery.
Data structure:
Request Data: None
Response Data:
Offset Field Name Description
0 Battery Status Value of 0x00 indicates battery charge is low,
battery should be charged before further use. Value
of 0x01 indicates battery charge is sufficient for
normal use.
Result codes:
0x00 (success)
Example Get Battery Status Request (Hex):
Cmd Num Data Len Data
29 00
Example Get Battery Status Response (Hex) (Charge is low):
Result Code Data Len Data
00 01 00