Installing The Volume Knob Retainer On The Gp/Ht/Pro Radio - Motorola IRRInet-M DC Owner's Manual

Appendix B: Models, Options, and Accessories

Installing the Volume Knob Retainer on the GP/HT/PRO Radio

The volume knob retainer sets a fixed position for the volume knob on the GP320/GP328/
HT750/PRO5150 radios, for optimal operation in an IRRInet-M RTU installation. To implement this
option, follow the procedure below.
1. Remove the original plastic volume knob
cover from the radio by pulling it out
with pliers.
2. Place the hole of the volume knob
retainer (Item 1) over the exposed metal
volume rod on the radio (Item 2.)
3. Fasten the bottom of the volume knob
retainer to the radio body (Item 3.)
4. Attach the radio with volume knob
retainer to the DC radio adapter
FCN5516B (Item 4.)
38
1
3
4
2