To gain access to Diagnostic mode
1Unplug (or turn off) the product from the power source.
2Press and hold down VOLUME, STOP/CLEAR, and 1 on the
3Continue to hold down the buttons while you plug back in (or turn on) the product, through the entire
The table below shows the tests and button sequences to perform in Diagnostic mode.
To perform this test | Press these buttons |
|
|
Toggle LED1 on/off | 1 or 5 on the |
|
|
Toggle LED2 on/off | 2 or 6 on the |
|
|
Access LCD pattern 1 | 1 on the numeric keypad, <, or > |
(solid fill) |
|
|
|
Access LCD pattern 2 | 2 or 8 on the numeric keypad |
(empty fill) |
|
|
|
Access LCD pattern 3 | 3 or 9 on the numeric keypad, or |
(> fill) | REDUCE/ENLARGE |
|
|
Access LCD pattern 4 | 4 on the numeric keypad or 3 or 7 on |
(H fill) | the |
|
|
Access LCD pattern 5 | 5 or 0 on the numeric keypad, or |
(frame fill) | RESOLUTION |
|
|
Access LCD pattern 6 | 6 on the numeric keypad |
(check fill) |
|
|
|
Access LCD pattern 7 | 7 on the numeric keypad or RE DIAL/ |
(ROM check) | PAUSE |
|
|
Access firmware version number | #, *, or 10 on the |
|
|
114 Chapter 2 – Service mode | EN |