Kenwood TK-782 Service Manual page 21

TK-782
! Send GPS
Pressing this key causes the transceiver to send a single
GPS data.
! GPS Report On Data Group/Channel
GPS data transmission is made on the Data Group/Chan-
nel in conventional format.
! Received GPS Data Output
Any selected sentence can be output through the radio
serial port (COM1).
1) MAP HEADER NMEA1 ($GPGGA), NMEA2 ($GPGLL),
NMEA3 ($GPRMC)
NMEA-0183 standard command. This should be set ac-
cording to your PC application.
2) MAP HEADER KW1 ($PKLDS)
This is a Kenwood original sentence which consists of
"$GPGLL + Fleet + ID + Status". This item should be set
according to your PC application.
3) MAP HEADER KW2 ($PKLID)
This is a Kenwood original sentence which consists of
"Fleet + ID". This should be set according to your PC
application.
" Parameters
! GTC Count
Number of "Go To data Channel" messages to be sent
before transmitting a data message if it is being made on
Data Group/Channel. If a radio unit receives a GTC mes-
sage, it will move to the Data Group/Channel of the current
group. Increase this item to make sure the called radio unit
moves to the Data Group/Channel.
! Random Access (Contention)
When a channel is busy, radio unit will not transmit (de-
pending on its Busy Channel Lockout setting). As soon as a
channel is cleared, some transmissions may crash. Random
access is used to avoid this by employing a random trans-
mission sequence.
! Number of Retries
Number of Retries is the maximum number of retry trans-
mission when no acknowledgement is received in the Maxi-
mum ACK Wait Time. Increase this item to improve data
communication reliability.
! TX Busy Wait Time
TX Busy Wait Time is the maximum amount of time be-
fore giving up the data transmission when the channel is
busy. Also, this timer affects if it expires during Random
Access period.
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OPERATING FEATURES /
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