This was easy.. download the manual here:
From the manual:
Clock Adjustment: (Page 7)
Setting the clock
1 Hold down SHIFT and press CLOCK on the remote
When the unit is turned off, you can also press SET.
2 Within 6 seconds, press "< <" (rewind icon) or > > (fast forward icon) to set thetime.
Each press changes the time in 1-minute steps.
Holding these buttons down will vary the time in 10-minute
3 Press SET.
The time display stops flashing and the clock starts from
When setting the clock on the unit in stop mode, hold down
"square" (stop icon) and press "> >" in step 1. After setting the time in step 2,
press TONE in step 3.
To display the time while the power is on
Hold down SHIFT and press CLOCK on the remote control.
The time will be displayed for 6 seconds.
To switch to the 24-hour standard
Display the time and press s within 6 seconds.
With each press, the clock alternates between 12- and 24-
hour standard time.
In the 12-hour standard, "AM12:00" indicates midnight and
If the clock display flashes when the unit is turned
There has been a power interruption. Reset the clock.
Bass / Treb Adjustment: (Page 11)
1) Press BAS or TRE
2) Within 6 seconds, turn VOLUME (press VOLUME +,- on the remote control).
Each level can be adjusted from "-2" to "+5".