Icom IC-821H Instruction Manual page 52

49
11 SET MODE
© Set mode with [SCAN]
(1) Scan resume "SC-rES"
When receiving a signal during a scan, scan pauses
10 sec., then restarts even when continuing to re-
ceive the signal. When you want to cancel a scan
after receiving a signal, set this item to "oFF."
(2) Scan speed "SC-SPd"
The transceiver has 2 speeds for scanning, high and
low.
(1) Attenuator activation "Att"
When [ATT] is pushed, the attenuator circuits in both
the 144 and 430 MHz bands activate. When only 1
band requires the attenuator, such as for an inter-
fering electrical field in your area, the [ATT] switch's
function can be specified for the desired band only.
(1) External preamplifier selection "PrE"
connected to the antennas, set this item according
to the connected preamplifiers.
Preamps connected to both bands (default)
(it a
L. Mee
Preamp connected to 144 MHz band only
When optional external preamplifiers (mast-mount
type), AG-25 (144 MHz) and AG-35 (430 MHz) are
This setting applies DC voltage to antenna connec-
tors while receiving, therefore, the selection must be
OFF when no preamplifier is connected.
Scan is canceled.
ap
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High speed (default)
Low speed
ware writ
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Attenuator activates for both 144 and
(default)
Attenuator activates for 144 MHz band only.
LNI
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Preamp connected to 430 MHz band only
No preamp is connected.