Boss Audio Systems CCR612

Philips Semiconductors

User Manual of High-End RDS/EON

Car Radio System CCR612 (V0.3) Application Note

96029

6.2 Tuning

6.2.1 Band switching

Band switching can be done with the AST and BAND keys (see Figure 12). In the AST bands, the AST

icon is on. Band switching is only accessible in Radio Mode.

BAND

AST

FM-1 FM-2

FM-AST

MW-AST

BAND

AST

BAND

Figure 12 Band selection

6.2.2 Manual/search tuning

Figure13 shows how to switch between the tuning modes. In preset mode, a preset number is shown on

thedisplay. In other modes, no preset number is shown. When leaving preset mode, any update of preset

data(current frequency, PS name, AF list, AF follow mode bit) is stored in NVM. Switching of tuning mode

maybe done eitherby pressing FREQ-UP and FREQ-DOWN keys together, or by pressing the AUTO /

MANUAL key. When pressing AUTO / MANUAL or FREQ-UP / FREQ-DOWN,a message "AUTO" or

"MANUAL" is shown on the display to indicate the new state.

Whenkey FREQ-UP or FREQ-DOWN is pressed, the radio will make one frequency step. When the key

ispressed longer than 0.5 seconds, thefrequency will start to run with a repetition rate of 12.5 steps per

second.

First tuning step

- De-mute at key release

- Frequency step size:

SW LW MW FM

USA 1 - 10 100 kHz

Europe 11950kHz