Furuno FM-8800, Руководство по обслуживанию

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8.3 T/A, TEST, RESET DSP
8-11
* USER I/F STATUS *
KEY : 2
CH : 03
VOL : 02333
SQ : 02343
PTT : OFF
HOOK : OFF HOOK
2.2 BACK LIGHT
Select this item and press [ENT] key to carry out LCD back light test. Back light
changes can be adjusted from 1-4 every time you press [ENT] key.
2.3 UI TEST
This is for U ser I nterface test. (Test the front panel for key
switches, CHANNEL knob and so on.)
2.3.1 KEY : x
Indication changes depending on a key pressed. Indication will remain until another
key is pressed. Keys and their indications are below although [CANCEL] key is
excluded.
[1]->1, [2]->2, [3]->3, [4]->4, [5]->5, [6]->6, [7]->7, [8]->8, [9]->9, [0]->0,
[SHIFT]->SHIFT, [LOG]->LOG, [CH16]->CH16, [FILE]->FILE,
[MENU]->MENU, [ENT]->ENTER, [CALL]->CALL,
[DISTRESS]->DISTRESS
2.3.2 CH : xx
This is a test for a “CHANNEL” knob(encoder). Turning this knob will change the
value in every step turned in ranging from 00-99.
00 -> 01 -> 02 ---- -> 99 -> 00 ->01 -> 02 -> -----
2.3.3 VOL : xxxxx
This is a test for “VOLUME/POWER” volume. Turn this volume will change the
value in every 64 steps turned ranging from 00000-65472(65536). Range of outputted
voltage (0 - 3.3V) is digitized by 10-bit A/D converter with built-in CPU and will be
indicated. Technically, since voltage indicated when turning the volume to the
minimum is unsteady, minimum value is estimated to be 1000 or thereabouts.
BACK LIGHT 1
[ENT]
*** PANEL TEST ***
LCD TEST
BACK LIGHT 1
UI TEST
*** PANEL TEST ***
LCD TEST
BACK LIGHT 2
UI TEST
[ENT]
[ENT]
*** PANEL TEST ***
LCD TEST
BACK LIGHT 3
UI TEST
[ENT]
*** PANEL TEST ***
LCD TEST
BACK LIGHT 4
UI TEST