Yokogawa 202 Field Mounting Rate Totalizer - Manual (Page 13)

Operation 9
3.2 TEST MODE
The 202D has a Test Mode which can be entered by simultaneously pressing all 3
front panel keys. The tests are as follows:
Low Test By pressing the ACCUM TOTAL key, the low
alarm output (if installed) will go low. If a 4-
20mA option is installed, the output will go to
4mA.
High Test By pressing the RESET key, and depending on the
programmed pulse output mode, the high alarm
output (if installed):
a. will go low if CAL0 = 0 (high alarm output).
b. will output 100ms pulses every 0.5 sec if
CAL0 = 1 (scaled pulse output).
c. will output 1ms pulses every 0.5 sec if CAL0 =
2 (unscaled pulse output).
If a 4-20mA option is installed, the output will go
to 20mA.
Display Test By pressing the PROGRAM key, all segments of
the display will flash.
To exit Test Mode, all three front panel keys are pressed simultaneously.