Pt6 - Receive Bandwidth; Pt7 - Rssi Bandwidth; Table 27: Pt6 Receive Bandwidth Nominal Values - Teledyne WORKHORSE Operation Manual

WorkHorse H-ADCP Operation Manual

PT6 - Receive Bandwidth

This test measure the receive bandwidth of the system. The bandwidth varies with system frequency and
the WB command setting.
>PT6
Receive Bandwidth:
Sample bw
rate expect Bm1
307 120
results PASS
The H-ADCP should be in non-moving water during this test to get valid test results.
Table 27: PT6 Receive Bandwidth Nominal Values
Bandwidth setting
Broad
Narrow
Beam fails if <50% or >125% of nominal value.

PT7 - RSSI Bandwidth

This test checks the RSSI filter circuits are working. Values listed are the indicated RSSI sampled at 1-ms
intervals after a "listen" ping.
>PT7
RSSI Time Constant:
RSSI Filter Strobe 1 =
time Bm1 Bm2 Bm3
msec cnts cnts cnts
1 6 6
2 11 12
3 15 16
4 20 21
5 23 24
6 26 27
7 28 29
8 30 31
9 32 33
10 34 35
nom 43 43
result PASS PASS
>
bw bw bw bw
Bm2 Bm3 Bm4
91 93 88 88 Khz
PASS PASS PASS
WB command
0
1
38400 Hz
Bm4
cnts
7 8
14 15
19 20
23 25
27 28
30 31
32 33
34 35
36 37
37 38
42 43
PASS PASS
EAR-Controlled Technology Subject to Restrictions Contained on the Cover Page.
300 kHz 600 kHz
79 200
14 40
May 2015
Page 163