Jamar RAC Geo II, Руководство пользователя, Страница: 20 / 60

RAC Geo II User’s Manual
3-8
Menu 4 - Clock Set
The RAC Geo will compute & display time as either
elapsed time
from
when the instrument was powered up, or real time if the timer has been set.
The timer starts automatically at zero when the RAC is powered-up. Time
is displayed in D-1 as hh.mm.ss.
To View Elapsed Time:
Press the Menu key, then the #4 key,
then the
Enter
key. D-1 shows the
elapsed time since the RAC was pow-
ered on. At this time you can stop and
reset the timer with the CLR (clear)
key or just let it continue to run. To re-
turn to normal mode, press the
Menu
key then the
Enter
key.
To Set Timer to Real-Time:
Step 1
Press the
Menu
key, then the
#4
key, then the
Enter
key. D-1 shows the
elapsed time since the RAC was powered on, as shown in Figure 3.9 above.
Step 2
Press the
Clear
key. Using the number
keys, key in the time you wish to dis-
play (hh.mm.ss format). This can be
either 12 or 24 hour format (i.e 1 PM
= 13 hrs).
Step 3
Wait until the keyed in time is reached
and press the
Enter
key to begin the
clock counting.
Step 4
To return to normal mode, press the
Menu
key then the
Enter
key.
Fig. 3.9 — Elapsed Time
Fig. 3.10 — Clock Time Entered
Fig. 3.11
Counting from Entered Time