User's Manual

Accessories 3 - 3
Keypads
The mobile computer has interchangeable modular keypads. However, only the 53-Key RFID keypad can be
used with the MC9090-G RFID mobile computer. The modular keypad can be changed in the field as
necessary. The MC909X User Guide, P/N: 72E-72215-xx provides keypad support information applicable to
the MC9090-G RFID mobile computer:
Keypad Removal
1. Press the Power button to suspend the mobile computer.
2. Remove the two keypad screws. Slide the keypad down and lift up.
Figure 3-1 Removing the Keypad
3. Replace the keypad and re-attach using the two screws.
CAUTION Do not remove the keypad while the mobile computer is on and do not operate the mobile computer
with the keypad detached. Follow proper Electro-Static Discharge (ESD) precautions to avoid
damaging the MMC and SD card. Proper ESD precautions include, but are not limited to, working on
an ESD mat and ensuring that the operator is properly grounded.
MC9090 keypads are not interchangeable with MC9090-G RFID keypad.
Multi Media Card Holder
Keypad
Screws
CAUTION Do not apply more than 4 in-lbs of torque when tightening the keypad screws.