Futurecom PDR8000 Programming Manual page 44

Repeater
P25 Preamble
Length
RSSI
RSSI Off
Hysteresis
RSSI Speed
Squelch
Squelch Speed
PL STE Duration
FM Deviation
Audio Limit
12.5kHz
25kHz
25kHz
(NPSPAC)
2022-08-25
7.50-265.00 ms Specifies the duration of bit sync
preamble packets that are sent at
40 ms
the beginning of all ASTRO
transmissions.
2-20dB Sets the Received Signal Strength
Indicator Off threshold in dB below
5 dB
the Received Signal Strength On
Threshold (see Channel
Configuration)
1-10ms Sets the Received Signal Strength
Indicator averaging integration time.
5ms
10-150ms
25 ms Squelch Averaging Integration
Time.
120-250ms PL Squelch Tail Elimination Delay.
Must be set to match the portable
140 ms
setting.
Typical setting is 140ms.
0.75–2.52 kHz Typically set to 2.12kHz (12.5kHz
channel spacing) or 4.24 kHz
2.13 kHz
(25kHz channel spacing or 3.41
kHz (25 kHz NPSPAC channel
1.5 – 5.04 kHz
spacing).
4.26 kHz
1.20-4.03 kHz
3.41 kHz
®
PDR8000 Portable Digital Repeater Programming Guide
Typically set to 5dB.
Typically set to 5ms.
Affects Analog Mode only.
Affects Analog Mode only.
If this field is programmed too
short the squelch tail will not
be fully eliminated. If it is
programmed too long, the
portable may unmute
unnecessarily.
Affects Analog Mode only.
Depends on the selected
Channel Spacing – refer to the
Frequency Band Setup
menu.
Document 8K088X04 R5.01
Typical setting is 25ms.
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