GTT29A keypad illumination isn't working

GTT TFT Support

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jamesh
LCD?
Posts: 5
Joined: Wed Dec 28, 2022 9:20 pm

GTT29A keypad illumination isn't working

Post by jamesh »

I have a GTT29A and display backlight works fine. LED indicators work fine. The only thing I can't get working is keypad illumination. I'm initializing like this:

gtt_set_auto_backlight(&gtt, 9);
gtt_set_keypad_backlight_time(&gtt, 0);

...and I'm setting brightness light this:
gtt_set_backlight(&gtt, 255);
gtt_set_keypad_brightness(&gtt, 255);

Is there anything I'm missing?

Raquel
Matrix Orbital
Matrix Orbital
Posts: 805
Joined: Thu Aug 19, 2004 3:37 pm
Location: MO Office

Re: GTT29A keypad illumination isn't working

Post by Raquel »

Hello Jamesh,

Thank you for contacting Matrix Orbital technical support.

Your code looks good; it would keep the keypad backlight brightness to max 255 (which is the default setting).
Can you tell me what is not working?

Thank you,
Raquel
Raquel Malinis
Design and Development
Matrix Orbital

jamesh
LCD?
Posts: 5
Joined: Wed Dec 28, 2022 9:20 pm

Re: GTT29A keypad illumination isn't working

Post by jamesh »

The keypad won't illuminate so it's hard to see in the dark. It has never lit from the first time I powered it up until now.

Raquel
Matrix Orbital
Matrix Orbital
Posts: 805
Joined: Thu Aug 19, 2004 3:37 pm
Location: MO Office

Re: GTT29A keypad illumination isn't working

Post by Raquel »

Hello Jamesh,

The keypad on the GTT29A is default on; perhaps the LEDs on the keypad are broken?
Do you have the serial number on your GTT29A?

Thank you,
Raquel
Raquel Malinis
Design and Development
Matrix Orbital

jamesh
LCD?
Posts: 5
Joined: Wed Dec 28, 2022 9:20 pm

Re: GTT29A keypad illumination isn't working

Post by jamesh »

Raquel wrote:
Fri Sep 22, 2023 3:03 pm
Do you have the serial number on your GTT29A?
Serial # is 21M07-0454 . The haptic motor also has never worked.

Raquel
Matrix Orbital
Matrix Orbital
Posts: 805
Joined: Thu Aug 19, 2004 3:37 pm
Location: MO Office

Re: GTT29A keypad illumination isn't working

Post by Raquel »

I sent you an email, James.
We may please continue correspondence from there.
Thank you.
Raquel Malinis
Design and Development
Matrix Orbital

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