Garmin Astro Replacement Instructions page 2

Replacing the DC 30 Collar
To use your replacement DC 30 collar, you must remove the DC 30 from your old collar and attach it to the new collar.
The DC 30 Collar Replacement Kit includes the following parts:
• One DC 30 collar with GPS antenna and VHF antenna
• One VHF antenna‑connector screw (M3.0 × 0.5 × 6 mm), stainless steel
• One VHF cover
tools required (not included)—one medium Phillips screwdriver, one small Phillips screwdriver, and
one pair of needle‑nose pliers.
To remove the DC 30 from your old collar:
1. Use a medium Phillips screwdriver to remove the two mounting‑plate screws and the mounting
plate from your old collar.
2. Use needle‑nose pliers to peel back the rubber boot from the GPS‑antenna MCX connector.
3. Use needle‑nose pliers to gently disconnect the GPS‑antenna MCX connector.
4. Remove the VHF cover from the VHF antenna‑connector screw.
5. Use a small Phillips screwdriver to remove the VHF antenna‑connector screw.
To attach the DC 30 to your new collar:
1. Attach the VHF antenna connector to the DC 30 with the VHF
antenna‑connector screw.
2. Place the VHF cover over the VHF antenna‑connector screw.
3. Peel back the rubber boot to expose the GPS‑antenna MCX connector.
4. Reconnect the GPS‑antenna MCX connector by gently inserting the MCX connector into the receptacle on the DC 30.
Note: Forcing the MCX connector into the receptacle may damage the connector pin or the connector flanges.
5. Press the rubber boot into place around the MCX connector.
6. Connect the DC 30 to the collar using the mounting plate and the two mounting‑plate
screws.
Replacing the VHF Antenna
The DC 30 VHF Antenna Replacement Kit includes the following parts:
• One VHF whip antenna
• One VHF antenna‑connector screw (M3.0 × 0.5 × 6 mm), stainless steel
• One VHF cover
tools required (not included)—one medium Phillips screwdriver and one small Phillips screwdriver.
To remove your old VHF antenna (use illustrations above):
1. Use a medium Phillips screwdriver to remove the two mounting‑plate screws and the mounting plate from the collar.
2. Remove the VHF cover from the VHF antenna‑connector screw.
3. Use a small Phillips screwdriver to remove the VHF antenna‑connector screw.
4. Remove your old VHF antenna from the antenna pouch.
To attach your new VHF antenna to the collar (use illustrations above):
1. Slide the antenna through the antenna pouch.
2. Attach the VHF antenna connector to the DC 30 with the VHF antenna‑connector screw.
3. Place the VHF cover over the VHF antenna‑connector screw.
4. Connect the DC 30 to the collar using the mounting plate and the two mounting‑plate screws.
Please visit www.garmin.com
2
for additional documentation and information.
VHF antenna
GPS antenna
DC 30
Mounting-plate screws
Antenna
pouch
VHF antenna
connector
Rubber boot
GPS-antenna
MCX connector
Mounting plate
VHF cover
VHF antenna-
connector screw
© 2008 Garmin Ltd. or its subsidiaries