Icom IC-7851 Instruction Manual page 68

D About the 1⁄4 tuning step function
When operating in the SSB data, CW, RTTY or PSK
1
modes, the ⁄ tuning function is selectable. When the
4
function is ON, the dial speed is reduced to
normal speed, for finer tuning control.
➥ Push the Multi-function [1/4]() key to toggle the
tuning function ON or OFF.
• "
" is displayed when the function is ON.
D Entering the frequency with the keypad
The transceiver has a keypad for direct frequency en-
try, as described below.
q
Push [F-INP].
• The "
" indicator is displayed.
F-INP
• The keypad backlight lights and the keys stand by for
key entry.
w
Enter the desired frequency from the highest digit.
• The frequency disappears and the entered number is
displayed on the right end digit.
e
Enter the next digit.
• The previously entered number shifts one digit left.
r
After entering the MHz digit, push [
point).
• The previously entered numbers shift to the MHz digit.
t
After entering the 100 kHz and lower digits, push
[ENT].
• The "
" indicator disappears and the frequency is
F-INP
set.
• If the 100 kHz or lower digits are all '0,' directly push
[ENT] to automatically enter '0s.'
• If you want to change only the 100 kHz or lower digits,
skip steps w and e.
• To cancel the entry, push any key (except [Y]/[Z]) before
pushing [ENT].
[EXAMPLE]
7.00000 MHz
Push
21.24000 MHz
Push
21.24000 MHz  21.36000 MHz
Push
1
⁄ of the
4
1/4 tuning step OFF
1
⁄
4
•] (decimal
4-9
BASIC OPERATION
1/4 tuning step ON
Keypad
F-INP
ENT
Push
Key entries
4