Tri-Tronics Pro 500 G2 - Manual (Page 6)

Antenna
(One-mile range; two miles on Trashbreaker G2*)
Screw the molded antenna into place before using.
Do not operate the remote trainer without a transmitter antenna.
Tone or Beeper Control Button
Activates the no-stimulation signal tone (not on Classic 70 G2
or Trashbreaker G2). Turns Beeper on and off on Upland G2
Grip
Battery Compartment
To change the battery pack, rotate the battery pack slightly
and remove from transmitter. Note: If battery pack will
not seat properly, turn it around The Tri-Tronics logo
should face forward when the battery pack is installed.
Charging Contacts
Place the transmitter in the supplied cradle to charge.
Discharged batteries will take only two hours to fully
recharge with our new battery charging system.
* Range depends on terrain, weather, vegetation, other radio transmissions in
area, and other factors. For best range, hold the transmitter overhead while
transmitting and keep your fingers off the antenna.