Fostex G16 - Page 7

* Please take note the following modes on G16 as a service information since these functions
are not described in the owner ’ s manual.
DEMO FUNCTION MODE
1. Demo Function Mode 1
Graphic pattern appears on the Controller bargraph LED meter and “ G16 ” is displayed
a few seconds later when power is switched on to Model G16. This indicates proper opera 
tion of the followings:
1) CPU UI on the Connector Board PCB
2) CPU U2 on the Controller PCB
3) Communication through the cable between UI on the Connector Board PCB and U2
on the Controller PCB
4) Bargraph LED meter and drive circuit
2. Demo Function Mode 2
With power to G16 main unit switched on, when the Controller is connected to the main
unit, a different graphic pattern (each line extended from both left and right ends connects
at the center) will be displayed.
Due to this, it can be confirmed that the Controller is positively connected, CPU U2 on
the Controller PCB has started functioning, and that serial data from CPU UI on the Con 
nector Board PCB is being received.
3. Demo Function Mode 3
1) The Demo function mode can be entered by switching ON the power while depressing
the STOP button on the Controller.
Every LED on the Controller (except for the bargraph LED meter and “ NR OFF ”
LED) will be lit.
2) The Demo function will be proceeded by depressing the PLAY button on the Control 
ler and the following can be checked.
* Whether CPU UI on the Controller PCB is functioning correctly or not.
* Whether the 7 segments, LED ’ s and the drive circuits are in normal condition.
3) The Demo function can be fast forwarded while the FF button on the Controller is
kept depressed.
4) The Demo function can be reversed while RWD button on the Controller is kept
depressed.
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