74 FT-817ND Operating Manual
OPTIONAL FILTERS YF-122S/YF-122C/YF-122CN
1. Turn the transceiver’s power off by pressing and holding in the switch for 1/2
second, then remove the FBA-28 Battery Case or FNB-85 Ni-MH Battery Pack from
the transceiver. Additionally, disconnect the DC cable from the INPUT: 13.8V jack
on the rear panel of the transceiver, when operating the FT-817ND with a DC power
supply.
2. Referring to Figure 1, remove the shoulder belt bracket and its two screws from both
side of the transceiver, then remove the five screws affixing the top case of the trans-
ceiver, and remove the top case; disconnect the speaker’s connector when you remove
the top case.
3. Refer to Figure 2 for the mounting locations for the optional filters. Position the filter so
that its connectors are aligned with the mounting pins on the board, and push it into
place.
4. Replace the top case (remember to replace the internal speaker’s plug), and connect the
FBA-28 Battery Case or FNB-85 Ni-MH Battery Pack (and/or attach the DC power
supply), and turn the transceiver on by pressing and holding in the switch.
5. Change the setting of Menu #38 (OP FILTER) to “SSB” (if installing the YF-122S), or
“CW” (for the YF-122C/YF-122CN).
6. Filter installation is now complete.
I
NSTALLATION
OF
O
PTIONAL
A
CCESSORIES
Figure 1 Figure 2
HF/VHF/U HF ALL MOD E TRANSCEIVER
TRANSM IT/BUS Y
BAND
DWN
UP
MODE
YF-122S/YF-122C
Mounting Location
/YF-122CN
Speaker's Connector
