18
Feb. 2010 AC-33
Verifying the Version
Number
Items Required
• Foot switches (BOSS FS-5U) x 2
• Foot-switch connection cable (PCS-31) x 1
Procedure
1. Connect a foot switch to the FOOT SW EFFECTS jack.
The PCS-31 foot-switch connection cable is an adapter cable from stereo
to mono x 2.
The white end of the mono standard plug is for TIP:CHORUS, and the
red end is for RING:REVERB/AMBIENCE.
2. Connect the monaural standard plugs to the respective FS-5U foot
switches.
You can connect the white and red ends to either FS-5U unit.
Set the polarity switches on the FS-5U units to the “jack” side.
3. Make the following settings on the main unit.
• POWER switch: OFF
• GUITAR CHANNEL CHORUS: OFF
• MIC/LINE CHANNEL CHORUS: OFF
• ANTI-FEEDBACK: OFF
• All controls: Minimum
4. Hold down the TIP:CHORUS (white) foot switch and switch on the
power.
Immediately after the power is switched on, all LEDs light up.
* Continue to hold down the foot switch.
5. All LEDs light up, then flash once. Within 3 seconds of this, press the
TIP:CHORUS (white) foot switch twice.
All LEDs flash rapidly several times, then flash to indicate the software
version.
The POWER LED lights up in an intermittent pattern that indicates the
software version as shown below.
6. Switch off the power to the unit.
Test Mode
Items Required
• Foot switches (BOSS FS-5U) x 2
• Foot-switch connection cable (PCS-31) x 1
• Level meter (used only during signal-level testing)
• Signal generator (only when inspecting the signal level)
• Dummy load resistor tool (only during signal-level testing)
Resistor (4Ω, 100 W or more)
Stereo standard plug with 100Ω (1/2 W or more) load resistor connected
between L, R, and GND
Standard plug with 47 kΩ load resistor connected between HOT and
GND
Entering the Test Mode
Go to Verifying the Version Number (p. 18) and carry out steps 1 through 5.
After verifying the version number, depress the TIP:CHORUS (white) foot
switch connected to the FOOT SW EFFECTS jack to enable the first test item,
1. DSP Test.
Quitting the Test Mode
Switch off the power.
Skipping
Test items cannot be skipped.
1. DSP/SDRAM Test
When testing starts, all LEDs go dark.
The LOOPER LEDs light up in the sequence of REC -> PLAY -> OVERDUB to
indicate the progress of the testing.
If the Test Is Passed (OK)
Execution automatically advances to the next test.
If the Test Is Failed (Not OK)
The POWER LED flashes rapidly. Execution does not advance to the next test.
Version POWER LED illumination pattern
1.00 One long and no short
1.01 One long and one short
1.02 One long and two short
1.03 One long and three short
: :
2.00 Two long and no short
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