Icom IC-R8600 Instruction Manual - Page 24
Adjusting Backlight dimmer, Fine tuning, When receiving FM, WFM or DIGITAL signal
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3 BASIC OPERATION Adjusting Backlight dimmer 1. Push . ••Opens the setting menu. 2. Touch [BACKLIGHT]. ••Settable range: 0 (dark) ~ 100% (bright) Selecting meter display You can display one of the 4 different receive signal parameters. zzTouch the meter to select the parameter you want to display. LYou can select the meter display also on the QUICK menu. DDMeter display types ••S-meter: Received signal strength 3. Rotate to adjust the brightness. LYou can reset to the default setting on the MENU screen. MENU » SET > Display > LCD Backlight Fine tuning DDWhen receiving FM, WFM or DIGITAL signal You can have a fine tuning into the signal by setting the marker on the tuning indicator to the center position. LIn the WFM mode and when the AFC function is ON, the marker may not be steady in the center position. Tuning marker DDWhen receiving FSK signal You can have a fine tuning into the signal by tuning to where both "◄" and "►" are displayed in the tuning indicator. Relative signal strength represented by S1 to S9. At S9, the input signal level is 50µV (34 dBµ). At S9 +20 dB, the input signal level is 54 dBµ. ••dBµ meter: Absolute voltage (Terminated) 0 dBµ is the level corresponding to 1 µV that is produced on a 50 Ω terminated load. ••dBµ EMF meter: Absolute voltage (Opened) EMF (Electro Motive Force) is the unit of voltage produced at an opened terminal. LIndicated in 6 dB higher than a 50 Ω terminated load. ••dBm meter: Absolute power 0 dBm is the level corresponding to 1 mW that is produced at a 50 Ω terminated load. 3-4