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Radio backlight set to "infinite"

Posted: Sun May 25, 2014 7:06 pm
by MT2000 man
While this is probably generally not a good idea, but does anyone have thier radios set up so when you hit the light button it never shuts off ? On both the XTS5000, and Astro Saber CPS I noticed that infinite is an option. Since one of them sits on my desk all the time, would it hurt the radio to have the backlight on all the time ? How much battery life would it drain if the light was on all the time ?

Re: Radio backlight set to "infinite"

Posted: Sun May 25, 2014 7:19 pm
by N4KVE
I'd be more concerned with how quickly will the bulbs burn out, & what kind of pain is it to replace them. GARY

Re: Radio backlight set to "infinite"

Posted: Sun May 25, 2014 7:54 pm
by tvsjr
N4KVE wrote:I'd be more concerned with how quickly will the bulbs burn out, & what kind of pain is it to replace them. GARY
Fortunately, this is the 21st century, so the backlight is LEDs, not bulbs. If they are typical LEDs, they are rated for 100K hours... or a little more than 11 years running 24/7.

The APX runs permanent backlight unless you change it (although it does dim a bit).

Re: Radio backlight set to "infinite"

Posted: Mon May 26, 2014 10:47 am
by MT2000 man
Does the Astro Saber have LED's as well or is it bulbs ? I'd assume even though it's 15+ years old, that it's LED ?

Re: Radio backlight set to "infinite"

Posted: Mon May 26, 2014 1:13 pm
by d119
I used to run this way in the past, but now use "Auto Light".

There's no concern about burning up the LED's, and if one does go out, just replace it. It's not THAT difficult.

I would conduct your own test - turn the lights on permanently, on a fresh battery, and see how long it lasts.

Then repeat the test, same battery, freshly charged, with the lights off.

But it certainly isn't going to hurt anything.

And the ASTRO Saber is LED's. JEDI radios are LED's. I don't think I ever actually saw a Motorola portable that was synthesized and had bulbs in it - EVERYTHING that's even REMOTELY modern is LED's... From the MX series forward, at least.

Re: Radio backlight set to "infinite"

Posted: Mon May 26, 2014 1:23 pm
by N4KVE
I had a System Saber years ago. One of the bulbs for the display was burned out. Had to replace a whole shield just for the bulb, Fortunately a friend had a spare, or it would have cost a fortune to replace. GARY

Re: Radio backlight set to "infinite"

Posted: Mon May 26, 2014 1:36 pm
by d119
No bulbs in the Systems Saber, they are LED's.

If you're handy with reasonably sized SMD's, they are not that difficult to replace.

Re: Radio backlight set to "infinite"

Posted: Mon May 26, 2014 2:00 pm
by N4KVE
The point is they do fail, & burn out, LED, or bulb. My friend who replaced the shield was/is a radio tech, & there was no way he was going to replace it. Fortunately he had a few spare shields. GARY

Re: Radio backlight set to "infinite"

Posted: Mon May 26, 2014 4:16 pm
by MT2000 man
Hmmmm, all very helpful info guys !!

I'm going to program the Astro Saber tonight for the light to always stay on, and will conduct a test this week and post the results here. I've searched the site for this question, but it was such a random question that no one else probaly runs thier portables with the LCD always lit. ( unless it's in a Convertacom or charger that is ).

Re: Radio backlight set to "infinite"

Posted: Tue May 27, 2014 8:23 pm
by d119
In the case of a convertacom, there is an option in most radios (Jedi/XTS3000/5000) called "Backlight in VA" that keeps the lights on when the radio knows it's in a convertacom.

Of course, this is pointless for a Saber or ASTRO Saber, as you cannot see the display with the radio inserted into the convertacom.
N4KVE wrote:The point is they do fail, & burn out, LED, or bulb. My friend who replaced the shield was/is a radio tech, & there was no way he was going to replace it. Fortunately he had a few spare shields. GARY
If I had spare shields laying around, I probably wouldn't either. But if I didn't have any spare shields, and I wanted to make the lights work properly, I could have fixed it. The point is that the repair can be done, by even the most mediocre of subscriber techs (like myself) with the proper tools.

Re: Radio backlight set to "infinite"

Posted: Wed May 28, 2014 6:05 pm
by resqguy911
d119 wrote:In the case of a convertacom, there is an option in most radios (Jedi/XTS3000/5000) called "Backlight in VA" that keeps the lights on when the radio knows it's in a convertacom.

Of course, this is pointless for a Saber or ASTRO Saber, as you cannot see the display with the radio inserted into the convertacom.
That also affects the HHCH IIRC, for Astro Saber and XTS at least so not totally pointless

Re: Radio backlight set to "infinite"

Posted: Thu May 29, 2014 8:22 am
by d119
resqguy911 wrote:
d119 wrote:In the case of a convertacom, there is an option in most radios (Jedi/XTS3000/5000) called "Backlight in VA" that keeps the lights on when the radio knows it's in a convertacom.

Of course, this is pointless for a Saber or ASTRO Saber, as you cannot see the display with the radio inserted into the convertacom.
That also affects the HHCH IIRC, for Astro Saber and XTS at least so not totally pointless
Good point, it very well may... But I know of virtually no one running HHCH on an ASTRO Saber. I know there's a couple folks out there, but it requires *really* old firmware. That's a whole different subject for a different thread.

Re: Radio backlight set to "infinite"

Posted: Thu May 29, 2014 9:07 am
by jmr061
MT2000 man wrote:While this is probably generally not a good idea, but does anyone have thier radios set up so when you hit the light button it never shuts off ? On both the XTS5000, and Astro Saber CPS I noticed that infinite is an option. Since one of them sits on my desk all the time, would it hurt the radio to have the backlight on all the time ? How much battery life would it drain if the light was on all the time ?
I am fairly sure what this does is require you to hit the button to shut it off rather than it timing out. This does not override the button.

Jason