The tacho in my truck does. Stonebridge i think.
Say for example you had 4hrs driving left but you where 12hrs into a shift it would count the remaining hour down (or 3hrs if you have a 15) With a 9h or 11h in the corner (again depending on if you have any 15s left)
Here’s another example
Say your 5.5hrs into a shift but only done 2hrs driving it would count down the remaining 30 minutes with a 15 in the corner.
Say at the end of the week and your close to the 60h working week or your fortnightly driving time it will count down whatever your going to run out of first.
It’s happened to me on a Saturday.
I was on 86hrs driving for the fortnight and 51hrs working time. I was doing a local job. So I started at 6am, done my checks and set off at 6.15. Tacho is counting down the 4hrs driving i have left. Get to site 40 mins down the road and put it on bay. 3hrs 20mins driving left. Basically i was there for hours. Put tacho on break for 30mins around 10am. Left at 1400 and tacho is counting down from 1hr 30mins basically the working time i had left for the week
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