Using The Main Dial; Lock Function - Icom IC-R8500 Instruction Manual

Using the main dial

Rotate the main dial to change the frequency.
• The frequency changes in increments determined by the
selected tuning step (see below).
• When the lock function is activated ("LOCK" appears) the
frequency cannot be changed.
D Selecting a tuning step
13 preset tuning steps are available plus 1 programma-
ble tuning step (see below). The preset tuning steps are:
10 50 100 Hz
1 2.5 5 9 10 12.5
1 MHz
Push [TSY] or [TSZ] to change the selected tuning
step.
D Setting the programmable tuning step
The programmable tuning step can be set between the
range of 0.5–199.5 kHz (in 0.5 kHz steps) for each
memory independently.
Push the numeral keys on the keypad that corre-
spond to the tuning step you wish to program.
Push [TSY] or [TSZ] to set the programmable tun-
ing step to the selected value.
• The programmable tuning step is automatically selected
as the active tuning step.
[EXAMPLE]: Setting the programmable tuning step to 50 kHz.

Lock function

The lock function electronically locks the indicated fre-
quency from accidentally being changed.
LOCK
Push [ ] for 1 sec. to toggle the lock func-
SPCH
tion ON and OFF.
• "LOCK" appears in the function display while the lock
FM
LOCK
*ICOM
20 25 100 kHz
5 0
kHz
OFF DLY
kHz
IC-R8500
FREQUENCY SETTING
[TSY]
[TSZ]
Tuning step
indicators
appears when the programmable tuning step
P
is selected.
MHz kHz
or
TS
(or )
TS
kHz
function is activated.
D Setting the lock function coverage
The lock function can be set to lock the main dial only
or, the main dial and most of the front panel switches.
SET
Push [ ] for 1 sec. to enter quick set
SLEEP
mode.
Rotate the [M-CH] selector to select the "LOCK"
indication.
Rotate the main dial to set the lock function cover-
age to "DIAL" or "PANEL."
SET
Push [SLEEP ] momentarily to exit quick set
mode.
FM
LOCK
SCAN SET
P
MHz kHz
appears to indicate the units of
the selected tuning step.
P
kHz
OFF DLY
kHz
DIAL
3
12