On/Off Of The Display Information; Beep Alert; Factory Default/Reset - AOR SDU5600 Operating Manual

Section 5-8, 5-9, 5-10
5-8 On/off of the displayed information
The companion receiver parameters
are usually displayed on the left side of
the LCD graticule. The key sequence
FUNC + 5 (DISP) will toggle the display
of the companion receiver's parameter
on / off.
When the calculation mode is in use,
the calculation data will be turned on or
off by the same key-in sequence.
By effective use of this facility, you can
view the signal activities easier on the
much less cluttered display area.

5-9 Beep alert

To toggle the keypad confirmation beep on / off, use the key sequence
FUNC + 6 (BEEP).

5-10 Factory default/reset

If you wish to revert the SDU5600 to
default status, power-on the SDU5600
via the main power switch while
holding-in the 3 and 6 keys together
until the opening message EEPROM
initialized is displayed.
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