Operation Manual

12
Front Panel Control & Switches
key key key
1
A/B
Press the
key to switch
between VFO-A and VFO-B
on the display.
A=B
Press and hold in the
key for 1/2 second to copy the
contents of VFO-A into the
VFO-B register, so that the
two VFOs’ contents will be
identical.
SPL
Press the key to activate
Split frequency operation be-
tween VFO-A and VFO-B.
2
MW
Press and hold in the
key for 1/2 second to transfer
the contents of the VFO into a
Memory register.
MC
Press the key to des-
ignate the current Memory
channel to be “skipped”
during scanning.
TAG
Press the key to select
the display type (Frequency
or Alpha-numeric Tag) during
Memory operation.
3
STO
Press the
key to store
the contents of the VFO into
the QMB (Quick Memory
Bank) register.
RCL
Press the key to recall
the QMB Memory.
PMS
Press the key to activate
the Programmable Memory
Scan feature.
4
RPT
Press the
key to select
the direction of the uplink
frequency shift (“–,” “+,” or
Simplex) during FM repeater
operation.
Press and hold in the
key for 1/2 second to recall
Menu #42 (for setting the shift
frequency offset).
REV
Press the key to reverse
the transmit and receive
frequencies while working
through a repeater.
TON
Press the key to activate
CTCSS or DCS operation.
Press and hold in the
key for 1/2 second to recall
Menu #48 (for selecting the
CTCSS tone frequency).
5
SCN
Press the
key to initiate
scanning (in the direction of
higher frequencies).
PRI
Press the key to activate
the Priority Scan feature.
DW
Press the key to activate
the Dual Watch system.
6
SSM
Press the
key to activate
the Spectrum Scope Monitor
feature.
Press and hold in the
key for 1/2 second to recall
Menu #43 (for selecting the
SSM sweep mode).
SCH
Press the key to activate
Smart Search
TM
operation.
ART
Press the key to initiate
the Auto-Range Transponder
mode.
Press and hold in the
key for 1/2 second to recall
Menu #09 (for selecting the
ARTS “Beep” option).
7
IPO
Press the
key to bypass
the receiver preamplifier,
thereby activating Intercept
Point Optimization for im-
proved overload characteris-
tics.
The IPO feature does not
function on 144/430 MHz.
ATT
Press the key to engage
the receiver front-end atten-
uator, which will reduce all
signals and noise by approxi-
mately 10 dB.
The ATT feature does not
function on 144/430 MHz.
NAR
Press the key to activate
the “Narrow” lter mode in the
CW (optional YF-122C or YF-
122CN required) mode. On
the FM mode, it also selects
the low-deviation mode re-
quired for HF FM operation
on 29 MHz.
Press and hold in the
key for 1/2 second to recall
Menu #38 (to Enable/Disable
the optional lter during instal-
lation).