Using The Main Dial; Frequency Setting; 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.
q Push the numeral keys on the keypad that corre-
spond to the tuning step you wish to program.
w Push [TSY] or [TSZ] to set the programmable
tuning 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
frequency from accidentally being changed.
Push [ ] for 1 sec. to toggle the lock func-
SPCH
tion ON and OFF.
• "LOCK" appears in the function display while the
lock function is activated.
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
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.
q Push [ ] for 1 sec. to enter quick set
SLEEP
mode.
w Rotate the [M-CH] selector to select the "LOCK"
indication.
e Rotate the main dial to set the lock function cover-
age to "DIAL" or "PANEL."
r 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