Yaesu FT-90R Operating Manual page 56

Menu System
03APO
Function: Enable/disable the Automatic Power Off feature.
Available Values: 1 ~ 12 hours, or OFF
Default Setting: OFF
04 (Not Used)
05ARTS
Function: Select the ARTS mode.
Available Values: OFF/RX/TX/TRX
Default Setting: OFF
06BEEP
Function: Enable/disable the key/button beeper.
Available Values: ON/OFF
Default Setting: ON
07CWID
Function: Enable/disable the CW IDer during ARTS operation.
Available Values: ON/OFF
Default Setting: OFF
08CWID#
Function: Programming a callsign into the CW IDer. See page 44.
09D Con
Function: Setting the front panel display's contrast level.
Available Values: 0~12
Default Setting: 6
10D Dim
Function: Setting the front panel display's illumination level.
Available Values: d1/d2/d3/d4/OFF
Default Setting: d1
11DC IN
Function: Indication of the Supply Voltage.
12DCS#
Function: Setting the DCS code #.
Available Values: 104 standard DCS codes
Default Setting: 023
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FT-90R O M
PERATING ANUAL