Batteries are the #1 warranty issue. Use alkaline batteries dated 6+ years in advance. Name brand batteries make less noise, which reduces RF interference. Minimum of 1.48 volts for each battery is necessary for stable performance.
Our factory engineers do not support Lithion Ion rechargeables. Use of rechargeables is at your own risk.
Our factory engineers do not support Lithion Ion rechargeables. Use of rechargeables is at your own risk.