RKI Instruments GX-94 - Manual (Page 11)

GX-94 Operator’s Manual Page 10
The GX-94 uses two “C” size cells. Alkaline batteries will run the GX-94
for approximately 12 hours of non-alarm operation. Rechargeable
nickel-cadmium batteries will run it for approximately 8 hours of non-
alarm operation. The GX-94 does not include a charging jack, so
rechargeable batteries must be removed from the GX-94 and charged
separately. See the Parts List at the end of this manual for available
bench top battery chargers.
Interface Port
The interface port is for use with the optional remote buzzer or for down-
loading logged data to a PC-compatible computer. Downloading data
requires the GX-94 Downloading Kit which includes the PC connection
cable and the GX-94 Downloading Software. The interface port cover is
tethered to the battery cover to reduce the risk of losing it.
Buzzer
A solid-state electronic buzzer is located inside the top of the case near
the front, behind a felt screen. The buzzer sounds for gas alarms, mal-
function, low battery voltage, and as an indicator during use of the con-
trol buttons.
Belt Clip and Strap Flanges
The GX-94 can be worn on the belt using the case-mounted clip. An
included shoulder strap can also be attached to the flanges at the sides
of the instrument case.
Diffusion Ports
Four sensor diffusion ports are located in the case at the top rear of the
GX-94. The diffusion ports are covered by a removable sensor screen
which protects the sensors from damage. The CO diffusion port has a
recessed area for a charcoal filter. The charcoal filter is retained by the