Rothenbuhler Engineering 1678 REMOTE FIRING DEVICE Operation Manual page 11

Ensure that blasting caps are not connected to any of the Remote
WARNING
Units during bench testing.
This is a sensitive electronic radio system and it may be damaged.
WARNING
Do not use the Mini Controller Unit within 100 feet (30 meters) of
WARNING
explosives, blasting caps, or wires leading to them. The Mini Controller signal is 5 watts,
which can cause detonation of caps if within 100 feet. The 5 watt Mini Controller
complies with the Recommended Table of Distances established by the Institute for the
Makers of Explosives (IME) when placed beyond 100 feet of explosives.
Do not engage in RFD communications with the Remote Units when
WARNING
they are connected to explosive charges until the shot is prepared and all personnel are
clear. The Remote Unit complies with the Recommended Table of Distances
established by the Institute for the Makers of Explosives (IME) when placed 25 feet (8
meters) or more from blasting caps or wires leading to them. For further information,
refer to the Institute for the Makers of Explosives Publication no. 20, Part II, Section (1).
Do not touch the Shock Tube Tip Jacks on the side of the Remote
WARNING
Shock Tube Initiator (RSTI) when armed or firing. Lethal voltages may be present.
CAUTION
Do not assume the Disarm command has been received by the
Remote Unit unless DISARMED status is confirmed with a steady DISARMED light for
that Remote Unit on the Mini Controller Unit display panel. If distance appears to be the
problem, move closer to the Remote Unit following standard procedures for this type of
situation. The "STATUS" and/or "DISARM" switches may be pressed repeatedly as the
Remote Unit is approached. Maintain a safe distance from the Remote Unit. Do not
approach the Remote Unit until DISARMED status is confirmed with a steady
DISARMED light for that Remote Unit on the Mini Controller Unit display panel. Under
no conditions should the "FIRE" switch be pressed as the Remote Unit is approached.
DO NOT bring the Mini Controller Unit closer than 100 feet (30 meters) to blasting caps,
wires connected to blasting caps, or other explosives.
CAUTION
All units must be thoroughly tested and the batteries fully charged prior
to operational use.
CAUTION
Unequal air pressure inside the Mini Controller Unit may affect the
operation of membrane switch keypad. Extreme pressure differentials may irreversibly
damage the keypad and/or cases.
CAUTION
Vents in all units should be momentarily opened and closed
immediately before use.
CAUTION
Do not open a vent if there is water on or near the vent. Keep the vents
closed when the relative humidity is above 90%. Take necessary precautions to ensure
moisture does not enter the unit case.
1678 RFD OPERATION MANUAL {DRAFT} xi