WBJI DSM-502
PAGE 13
6.8.11 Depress SW5 until CAL disappears to save data.
6.8.12 Return SW4 to the 0 (ZERO) POSITON FOR NORMAL OPERATION
ALARM SETPOINT COUNT
NOTE: THE DOSE/CPM SWITCH IS NOT IN SERVICE WHEN THE METER IS IN
THE COUNT MODE OF OPERATION
6.8.13 Adjust the MAIN SELECTOR switch to COUNT
6.8.14 Adjust SW4 to position 2. Depress SW5 until CAL appears.
6.8.15 Adjust P2 & P1 until the readout indicates the correct alarm setting
6.8.16 Depress SW5 until CAL disappears to save data.
6.8.17 Return SW4 to the 0 (ZERO) POSITON FOR NORMAL OPERATION
6.9
TIMED COUNT
GENERAL:
THE DSM-502 HAS A TIMED COUNT FUNCTION AND CAN BE SET
INDEPENDTLY FOR EACH PROBE. THE RANGE OF THE TIMED COUNT
IS 0 – 2550 SECONDS IN 10 SECOND INCREMENTS. THE TIMED COUNT
FUNCTION IS ONLYAVAILABLE FOR THE PROBE IN THE COUNT
POSITION OF THE MAIN SELECTOR SWITCH. THE SAME CONTROLS SW4,
SW5, P1 & P2 ARE UTILIZED TO MAKE THAT ADJUSTMENTS. FOR THE
TIMED COUNT FUNCTION.
ADJUST THE COUNT TIME
6.9.1
Adjust the MAIN SELECTOR SWITCH TO COUNT. Adjust SW4 to position 1.
This displays the counting time in seconds currently in the system.
6.9.2
To set the count time to change COUNT time Depress SW5 until CAL appears.
6.9.3
Adjust P3 until readout indicates the correct counting time in seconds
6.9.4
Depress SW5 until CAL disappears to save the data.
OPERATION IN THE TIME COUNT MODE
6.9.5 Adjust the MAIN SELECTOR SWITCH to the COUNT position.
6.9.6
If count time is unknown adjust SW4 to the #1 position and COUNT TIME in seconds
for that probe will be displayed. (CAUTION) DO NOT DEPRESS SW5 OR TIME COULD
BE CHANGED)
6.9.7 Return SW4 to the 0 position and instrument is ready for normal operation.
6.9.8 To start a time count cycle. Depress the ZERO SWITCH on the front panel FOR AT
LEAST 3 SECONDS TO START COUNT CYCLE.
6.9.9
When the ZERO switch is depressed the time count cycle will begin and the word
COUNTING will appear on the display. When the cycle is complete the COUNTING will
disappear and the words COUNT will appear. This indicates the count cycle has been
completed.
6.9.10 The total counts will remain on the display until the ZERO switch is depressed for at least 3
seconds or the instrument is turned OFF.
