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Tries - Advanced Electronic Applications PK-88 Operating Manual

Packet controller
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PK-88 OPERATING MANUAL
COMMAND SUMMARY
TRIES 'n'
Mnemonic: TRI
Default: 0
Parameters:
'n'
0 to 15 specifies the current RETRY level on the selected input channel.
TRIES retrieves (or forces) the count of 'tries' on the data channel presently
selected.
If you type TRIES without an argument, the PK-88 returns the current number of tries
if an outstanding unacknowledged frame exists. If no outstanding unacknowledged frame
exists, the PK-88 returns the number of tries required to get an ACK for the previous
frame.
If RETRY is set to zero (0), the TRIES command always returns zero (0).
Use TRIES for gathering statistics on a given path or channel. TRIES is especially
useful for computer-operated stations (such as automatic message-forwarding stations)
using less-than-optimal, noisy HF or satellite channels or paths.
Using TRIES under these conditions automatically optimizes the PACLEN and MAXFRAME
parameters.
If you type TRIES with an argument, the 'tries' counter is forced to the entered
value. Using this command to force a new count of tries is not recommended.
5-88
PK88-170

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