York YLCC-H Technical Information page 53

Programmable key
Allows uploading and downloading the unit operating pro-
gram. This operation can be carried out with the unit off, as
Download of unit program to the key
- Remove the key cover and set the two dip-switches to the
OFF position. Replace the cover.
- Insert the key (four-pole socket connector) in the plug
connector at the bottom right of the display and keyboard
module.
- Press the key button. The LED will turn on in red. Once
this download is completed, it will turn green. Once this
sequence is completed, release the button and remove
the key from the module.
LED messages
LED SIGNALS
Red led flashing
Green led flashing
Red/green leds flashing (orange signal)
Red and green leds on
Red led always on
Leds off
the key has internal batteries (three .5 V, 90 mA Duracell
D357H batteries, or equivalent).
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Upload of unit program to the key
- Remove the key cover and set the two dip-switches as fol-
lows: dip-switch  to OFF, dip-switch 2 to ON. Replace the
cover.
- Insert the key (four-pole socket connector) in the plug
connector at the bottom right of the display and keyboard
module.
- Press the key button. The LED will turn on in red. Once this
upload is completed, it will turn green. Once this sequence
is completed, release the button and remove the key from
the module.
ERROR
Batteries low when starting download
Batteries low at end of download
Instrument not compatible
Copy error
Transmitting error
Batteries disconnected
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MEANING & SOLUTION
Change batteries
Change batteries
Can happen only when downloading the program.
Check key program.
Repeat the operation. If this error persists, check
batteries and key connection.
Repeat the operation. If this error persists, check
batteries and key connection.
Check batteries.
53