Radio Shack PRO-26 - Scanner Preparation and Power; Power Sources Overview; Installing Internal Batteries

Item
Unit Nominal
Limit
Threshold squelch (MANUAL)
NFM
at 40.84 MHz
nv
0.3
1.0
at 162.4 MHz
nV
0.3
1.0
at 453.25 MHz
fxV 0.5 1.8
at 954.9125 MHz
HV
0.5 1.8
WFM
at 62.45 MHz pV 8.0
20
at 199.5 MHz
HV 8.0 20
at 531.5 MHz pV
8.0 20
AM at 127.175 MHz
pV 0.5
2.0
at 230.05 MHz
M-V
0.5 2.0
at 325.05 MHz
HV 0.5 2.0
Tight squelch (MANUAL) (S+N)/N
NFM at 40.84 MHz dB
25 ' 15
at 162.4 MHz
dB 25 15
at 453.25 MHz
dB
25 15
at 954.9125 MHz dB 25 15
WFM at 62.45 MHz
dB 40 30
at 195.5 MHz dB
40 30
at 531.5 MHz dB
40 30
AM
at 127.175 MHz dB 17 10
at 230.05 MHz dB
17 10
at 325.05 MHz dB 17 •
10
IF rejection
NFM at 40.84 MHz, IF 380.7 MHz dB
60
50
at 453.25 MHz, IF 254.4 MHz dB 30 24
at 954.9125 MHz, IF 380.7 MHz dB
60 50
WFM
at 62.45 MHz , IF 380.7 MHz dB 50 44
at 195.5 MHz , IF 380.7 MHz dB 33 27
AM at 127.175 MHz , IF 380.7 MHz dB
40
34
Acceptable radio frequency displacement RS240-D
NFM at 162.4 MHz kHz ±8 ±3
Hum and noise
NFM at 162.4 MHz dB 40 30
at 453.25 MHz
dB 40 30
at 954.9125 MHz
dB
40
30
WFM
at 62.45 MHz
dB
50
40
at 195.5 MHz
dB 50 40
AM
at 127.175 MHz
dB 40 30
at 325.05 MHz
dB
40
30
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