Rohde & Schwarz XT 4410A - Page 279

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Operator’s Manual • V.24 Remote Control (S400U Protocol)
6076.0822.12.02 – A2.5 –
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Command Function Code Direction Note
EPM modes Plain (not encrypted)
Cipher ext. (encrypted)
B0
B7
CU → radio
Presets Preset (stored in remote CU)
xx = 00 to 99
e.g. no. 05: C005F305000L1
C0xx CU → radio S400U only
Channel
loading
Loading of frequencies into channel
xx = 00 to 99 (= preset stored in radio)
C6xxFxxxxxx[x] CU → radio S400U only
Operation Voice
Data
B0: wideband analog
Link 11
Link 4a
B0: wideband digital baseband
B0: wideband digital diphase
D0
D1
D1
D4
D5
D6
D7
CU → radio
S400U only
S4400 only
t.b.r.l.
Local mode Operation via local CU
(E instead of U at the end of message)
All commands and inquiries are answered with
"axxE" only.
E radio → CU
S4400 only
Frequency
VHF + UHF
100.000 to 511.975 MHz
(25-kHz spacing)
100.000.0 to 511.991.6 MHz
(8.33-kHz spacing)
VHF
100.000 to 162.975 MHz
(25-kHz spacing)
100.000.0 to 162.991.6 MHz
(8.33-kHz spacing)
UHF
225.000 to 399.975 MHz
(25-kHz spacing)
225.000.0 to 399.991.6 MHz
(8.33-kHz spacing)
Fxxxxxx[x] CU → radio
see A2.11
S4400 only
S400U only
S400U only
Guard
receiver
Off
On
G0
G1
CU → radio
Class of
emission
AM
FM
I1
I7
CU → radio
Channel Select channel (= preset stored in radio)
xx = 00 to 99
Kxx CU → radio
Frequency
modes
Manual
e.g. FxxxxxxL0
Preset
e.g. C0xxFxxxxxxL1 (= preset stored in CU)
e.g. KxxL1 (= preset stored in radio)
e.g. QxxxxL1
Guard (includes voice "B0D0" with AM "I1")
e.g. F243000L2 (UHF guard frequency)
Maritime (e.g. KxxL3)
L0
L1
L2
L3
CU → radio
S400U only
S400U only
n/a