Item FL Display Key Operation
Mode Name Description Front Key
Doctor Mode To enter into Doctor
Mode for checking of
various items and
displaying EEPROM and
firmware version.
Note: The micro-
processor version as
shown is an example. It
will be revise when there
is an updates.
FL display sequence
Display 1 → 2
(Display 1)
Checksum : (Condition 1)
(a) If there is NO EEPROM header string
OR
(b) If there is no EEPROM ( no data is
received by micro-processor) [NO] is
displayed.
Checksum : (Condition 2)
If the version of the EEPROM does not
match or not working properly [NG] is
display.
Checksum : (Condition 3)
If the EEPROM version matches, checksum
[YYYY] is displayed.
(Display 2)
The Check Sum of EEPROM and firmware
version will be display for 2 sec.
In any mode:
1. Press [
] button on main unit follow
by [4] and [7] on remote control.
To exit Doctor Mode, press
button on
main unit or remote control.
8.2.2. Service mode Table 2
Item FL Display Key Operation
Mode Name Description Front Key
FL Display Test To check the FL
segments display (All
segments will light up)
In doctor mode:
1. Press [DIMMER] button on remote control.
To cancel, press [0] button on remote control.
To exit Doctor Mode, press
button on
main unit or remote control.
14
SA-NS55E / SA-NS55EG