Icom IC-821H Instruction Manual page 42

39
9 SATELLITE OPERATION
W Satellite communications outline
Both satellite mode B (435 MHz uplink, 145 MHz
downlink) and mode J (145 MHz uplink, 435 MHz
downlink) can be operated from the IC-821H.
e Mode B operating diagram
«= Uplink
<= Downlink
435 MHz 435 MHz
band band
145 MHz 145 MHz
band band
e Uplink frequency : 435.423-435.573 MHz
e Downlink frequency : 145.975-145.825 MHz
¢ Tracking direction : Reverse
e General beacon frequency
e Engineering beacon frequency
: 145.812 MHz
: 145.985 MHz
W Panel description while in satellite mode
[CHECK] [RiT. [M]
Monitors an uplink
frequency.
iyu
After pushing this switch, the
tuning dial changes the downlink
frequency (main band) only.
fe eee a ee eT
2 is y4
SPLO
nreswer CA) GE
Po)
(CALL: GI]
Activates RIT function while in
satellite mode for downlink
frequency (main band).
[VFO]
Selects satellite VFO mode.
[MEMO]
O WN Selects satellite memory
AJ a mode.
Transfers the memory
RET,
contents to the satellite VFO
[=u | a X when pushing [FUNC] then
[SCAN: E]
One of these appears to indicate
a tracking direction of normal or
After pushing this switch, the
tuning dial changes the uplink
frequency (sub band) only.
this switch for 2 sec.
[MW]
Programs both uplink and downlink fre-
quencies to the selected satellite memory
channels when pushed for 2 sec.
One of these appears to
TRVSISR, indicate satellite VFO or
satellite memory mode.
SAR AI E be eei
SATL-R L fer er i. 4 —— Satellite memory
channel number
ee a _——— MN
Downlink frequency Uplink frequency
(Receive frequency) (transmit frequency)