Maintenance 5
Agilent U1251B/U1252B User’s and Service Guide 101
1 At the rear panel, turn the screw on the battery cover
from the LOCK to the OPEN position (counterclockwise).
2 Slide down the battery cover.
3 Lift the battery cover up.
4 Replace the specified battery.
5 Reverse the above steps to close the cover.
List of compatible batteries for the Agilent U1251B :
• 9 V Alkaline non-chargeable battery (ANSI/NEDA 1604A or IEC 6LR61)
• 9 V Carbon-zinc non-chargeable battery (ANSI/NEDA 1604D or IEC6F22)