User Manual

Chapter 8 System Parameters and Comm ands
- 230 - Hi-G-Tek Ltd. Micro electro nic s & A sset Tra cking Techno logy
Data Type Byte
Default Value
65
Constant in
HGTR eaderPa rameterCo deEnum
HGTHFModemTransmittionPower
(48h)
Description
The nominal value of the RF
transmission power.
Remarks
Using this parameter you can control the DataReader's Receiving Zone.
Internal Version of RF M odem Firmware
Property Name
(not supported).
Access
Read-Only.
Data Type Byte
Constant in
H G TRe a de rPa rame te rCo de En um
HGTHFModemFirmwareVersion
(48h)
Description
The Build number of the firmware
version of the RF Modem.
8.7 Comm and Chain
As ment ioned before, sett ing Th w and Tw to smaller numbers reduces the
response times, but shortens the batteries' lifetime. Even though the default
3 seconds is mostly a reasonable response time, when you have to send
many RF commands, it can accumulate to a lengthily time. The Command
Chain feature allows to execute many RF commands in a row with a single
Reader Interrogation Header (one Th w ). The bat tery consumpt ion of all t he
DataSeals that are in Normal Mode (not in Deep Sleep or HF Disabled),
even those that are not addressed by any command in the Chain is exactly