Battery Pack Removal And Replacement - Anritsu Spectrum Master MS2711D Maintenance Manual

34. Repeat steps 27 to 33 for 5153 MHz, 5284.9 MHz, and 5800 MHz and verify that the M1 reading
is within ±2.25 dB for each frequency.

15. Battery Pack Removal and Replacement

This procedure provides instructions for removing and replacing the Spectrum Master battery pack.
NOTE: Many of the procedures in this section are generic, and apply to many similar instruments.
Photos and illustrations used are representative and may show instruments other than the Spectrum
Master.
1. With the Spectrum Master standing upright on a stable surface, locate the battery access door (Fig-
ure 6).
Figure 6. Battery Access Door Location
2. Lift up the access door handle and rotate it 90 degrees counterclockwise, as illustrated in Figure 7.
Figure 7. Rotate the Battery Access Door Handle
Spectrum Master MM
BATTERY ACCESS DOOR
31