Factory Default; Version Display; Region Display; Log Capture Mode - Polk Mono Signa S4 Service Manual

18. Factory Default

While the power is On, hold down buttons "Vol+", "Source" and "Power" for at least 5 seconds.
If Factory Reset becomes active, the Status LEDs blink as shown below.
Status Action
1 Factory Reset #1-#4 LEDs blink

19. Version Display

While the power is On, hold down buttons "SOURCE", "VOL-" and "VOL+" for at least 5 seconds.
Firmware version is indicates using number of blinking.
Firstly, #3 LED blinks blue to indicate tens place, then #4 LED blinks
The following animations are example for version 02 and version 31
Status Action
1 Version 02 #4 blinks
#3 blinks
2 Version 31
Purple

20. Region Display

The region is displayed by the color of LED1.
Status Action
1 NA #1 LED blinks
2 EU #1 LED blinks
3 JP #1 LED blinks
4 CH #1 LED blinks

21. Log Capture mode

Connect the USB flash drive.
While the power is On, hold down buttons "Vol+", "Vol-" and "Bluetooth" for at least 5 seconds.
Status Action
Complete to store the log file to
1 #1 and #3 LEDs blink white five times.
the USB
Red three times
☀ ☀ ☀ ☀
purple to indicate ones place
Purple twice
〇 〇 〇
Blue three times, then #4 blinks
〇 〇
once
Green three times
☀ 〇 〇 〇 〇
Blue three times
☀ 〇 〇 〇 〇
Red three times
☀ 〇 〇 〇 〇
Amber tree times
☀ 〇 〇 〇 〇
☀ 〇
22. Retail Mode
Status
1 Enter Retail Mode
2 Exit Retail Mode
〇
23. Change Region
Status
1 Reading the Region
☀ 〇
2 Change the Region
☀ ☀ 〇
☀ 〇 〇
54
Action
#1 and #3 LEDs blink Red five times.
#1 and #3 LEDs blink Green five times.
Action
#1 LED works the following behavior
repeatedly.
• Blinks three times, then turns off 2 seconds.
• The blinking color depends on the region
NA : Green, EU : Blue, JP : Red, CH : Amber
#1 LED fast blinks white for 5 seconds,
then blinks tree time repeatedly.
• The blinking color depends on the region
NA : Green, EU : Blue, JP : Red, CH : Amber
☀ 〇 ☀ 〇 〇
☀ 〇 ☀ 〇 〇
e.g.) Show NA region
☀ 〇 〇 〇 〇
e.g.) Show NA region
☀ 〇 〇 〇 〇