For more factors
affecting transmission and reception, you should read US Army
field manual FM
If you think that conditions at the exercise
site could have an adverse effect on radio
transmission or reception, conduct a pre-
exercise dry run.
Make sure Assembly and Preparation
2-5) have been performed.
No detectors should be located more than 1000 meters from transmit-
No detector should be located less than 25 meters from any
other detector. Carefully note location of each detector, and
record each detector location using UNIT digit recorded on receiver
Reset every detector to be used in
GROUP/UNIT identification plate.
To imitate movement of chemical agent cloud, activate receivers
order of location (left-to-right, closest-tofarthest, etc.).
Turn the transmitter CHAN SEL switch to select the channel
matching the unit number of the receiver which is to respond.