Using the front panel board

UM0756

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Doc ID 16031 Rev 1

Note:

The channel number rolls back to the minimum value (00) when it reaches its maximum

value, which is 99.

The brightness does not increase or roll back when it reaches its maximum value, which is

level 8 or 14/16.

4.1.4

CH--/DOWN

When the system is in normal mode, on touching this key the channel number is decreased

by one unit. The channel number continues to decrease to its minimum value if the user

does not release the key.

When the system is in brightness mode, on touching this key the brightness of the display is

decreased by one unit. The brightness continues to decrease to its minimum value if the

user does not release the key (Figure 7).

Note:

The channel number rolls back to the maximum value (99) when it reaches its minimum

value, which is 00.

The brightness does not decrease or roll back when it reaches its minimum value, which is

level 1 or 1/16.

Figure 7.

Channel number on the LED display

4.1.5

MENU/BRGH

This key is used to put the system into brightness mode. When this key is touched the

system enters brightness mode and "8888" is displayed on the 7-segment LED display with

the current brightness level.

The brightness of the display can be increased or decreased using the CH++/UP and CH--

/DOWN touch keys. The brightness can also be varied using the rotary encoder (see

Section 4.2). Discrete LEDs on the board represent the brightness level of the display

(Figure 8).