M8SL2-00-002-812 T854 Circuit Operation C2.11
© Copyright Tait Electronics Limited August 2004. All rights reserved.
2.7 Transmit Timers
The transmit tail timer, transmit timeout timer and transmit lockout timer can all be set
from PGM800Win. The fields for setting these are found on the system information
page. These three timers operate as follows (refer also to Figure 2.7):
Figure 2.7 T854 Transmit Timers
Timer Function Adjustment
Transmit Tail Sets the tail time during which the
transmitter stays keyed after the exter-
nal key source has been removed.
0 to 5 seconds in
20ms steps
Transmit Timeout Sets the maximum continuous trans-
mission time. Once the timer has
timed out, the transmitter must be
keyed again, unless prevented by the
transmit lockout timer.
0 to 600 seconds in
10 second steps
Transmit Lockout Sets the period of time that must
elapse after a timeout before the trans-
mitter can re-transmit. Once the timer
has timed out, the transmitter can be
keyed again.
0 to 60 seconds in 10
second steps
On
Lockout Time
Timeout
Time
On
Tail Time
Tx-Enable
Tx-Reg.
Tx-Enable
Tx-Reg.
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