Selected Functions of STANDARD C508A Transceiver
TO USE VFO MODE:
Push V/M. Confirmed by frequency numbers only (no channel
number or C) in display.
BAND cycles through 4 ranges: 100-200 MHz (108-141.995 normally
AM, other FM); 300-400; 400-520; & 700-900 MHz. Transmits
144 - 147.95 MHz & 438 - 449.995 MHz.
Repeater offset (simplex/+/-) & offset frequency are SET
functions as shown below.
Tune VFO using Dial (knob on case top). To tune in 1 MHz steps,
hold in F & tune Dial.
Squelch adjusted in SET. To override, push MONI (if in Repeatr
Mode also reverses freq).
To scan a 1 MHz range, push SC. To scan band, hold in F &
push SC. SC stops scanning.
Use Dial to change direction of scan.
TO RECALL MEMORY:
Push V/M. Memory Mode confirmed by channel no. (00-59) in
display. Select channel via Dial. To scan memories while in
Memory Mode push SC. Other scan modes via SET.
Call Channel is programmable in both 144 & 440 MHz bands.
Select band, push CALL.
TO ENTER A FREQUENCY IN A MEMORY CHANNEL:
[C508A has 60 memories (00-59) + CALL. Each holds 1 freq.
+ offset & tones or 2 receive freqs.]
In VFO Mode, select the desired frequency, offset, & tones.
Hold in F & push V/M. Use Dial to select memory channel
Again Hold in F & push V/M to enter frequency & return
to VFO Mode.
To program repeater offset, frequency, & tone, select
channel & use SET Mode.
To erase a memory, select channel, push SET, turn Dial to
m CLr, & push F.
SET (Menu) Functions
23 functions are controlled in Set Mode, as shown below with
initial indications. To use, push SET. Turn Dial to select
desired function. Hold in F & turn Dial to change menu
function as desired. Push SET again to set change & return
to previous mode.
St 5: Change tuning freq.step F-St 1.0: Change freq.step to
wide (1 MHz) rPt:oF: Rptr.offset on/off
t59:oF: Tone Code/Sqlch on/off CF 100.0: Set tone freq. OF
0.00: Set repeater offset freq.
SP 433.0: Sets Split Memory (allows 2 freqs. in a channel
SA:Of: Set Btty Save time APO:oF: Set Auto.Pwr.Off time PL:oF:
FL:oF: Freq.Lock FL CH:oF: Set Dial for freq.lock beEP:on:
rF 59L:oF: Set squelch to no.of S-units bnd:on: Dial changes
freq. across bands
m CLr: Clears memory CH:of: Displ shows Chan.No. instead
of freq. mm:oF: Sets chs. to scan
bm5:oF: Sets block memory scan (Block 0=Chs.00-09, 1=Chs.10-19,etc.)
Scn:P: Changes scan type
At Am:on: Sets automatic AM Mode (108-142 Mhz) Am:on: AM
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and other serious consequences. There is no warranty
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