ETS-Lindgren HI-3604 ELF Survey Meter - Manual (Page 25)

HI-3604 Manual Page -- 17
filtering. F-1 has the "slowest" response time, ie. the most
filtering. The difference in response from level to level is a factor
of 2. Experiment with the settings to find which response level
is best suited to your measurement requirements. Once the
desired units are selected, press the MODE SELECT keypad to
save the current setup, leave the setup mode, and begin normal
measurement operation.
The instrument will normally be received from the factory with
the display response filter set at F-2. The display response
setting is stored in the non-volatile memory of the HI-3604 and
if the setting is changed, the new setting will be saved and will
become the default condition.
We recommend that you check the display response setting
when you first receive the instrument and after battery
replacement. The display response setting does not affect the
accuracy of the instrument.
BATT - The BATT keypad displays the supply battery voltage
along with the battery symbol. The low battery indication will
begin to flash at about 7.5 volts. When the battery voltage
drops to 7.25 volts, the display will blank with only the BATT
symbol displayed and the batteries must be replaced.
DISP 3/4 - Pressing the DISP pad will shift the display from 4 to
3 digits and back again. In some situations where the measured
field is fluctuating, the three digit display will make reading the
instrument easier.
CLEAR DATA - Clears values stored in the data logging memory.
Pressing this keypad will clear all data stored in the data logging
memory. When the keypad is pressed a flashing clr is indicated.
Holding the keypad until 000 is shown will clear the memory.
LOG - Pressing the LOG pad will store the current reading in the
data logging memory. When the LOG pad is pressed, the
identification number of the value (1-112) is displayed for about