Icom IC-R8500 Instruction Manual - Page 15

3 FREQUENCY SETTING s 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 programmable tuning step (see below). The preset tuning steps are: 10 50 100 Hz 1 2.5 5 9 10 12.5 20 1 MHz 25 100 kHz 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. Œ Push the numeral keys on the keypad that correspond to the tuning step you wish to program.  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. [TSY] SCAN SET [TSZ] Tuning step indicators P MHz kHz P appears when the programmable tuning step is selected. MHz or kHz appears to indicate the units of the selected tuning step. [EXAMPLE]: Setting the programmable tuning step to 50 kHz. 50 kHz TS (or TS ) P kHz kHz s Lock function The lock function electronically locks the indicated frequency from accidentally being changed. Push [SPCH LOCK ] for 1 sec. to toggle the lock function ON and OFF. • "LOCK" appears in the function display while the lock FM ∞ OFF DLY LOCK kHz *ICOM IC-R8500 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. Œ Push [SLEEP SET ] for 1 sec. to enter quick set mode.  Rotate the [M-CH] selector to select the "LOCK" indication. Ž Rotate the main dial to set the lock function coverage to "DIAL" or "PANEL."  Push [SLEEP SET ] momentarily to exit quick set mode. FM ∞ OFF DLY kHz LOCK DIAL 12